-DO NOT CONTACT ME. I was reading the service manual for the NC50 and saw that it called for 10W-40 transmission oil in the summer and 5W-30 in the winter. Want to post in this forum? What should I look for? 8/6/2018 So I kind of lost track of this thread and thought Id pick it up again. Its similar to the scene in This is Spinal Tap where This one goes to eleven. Eleven is good when you are going uphill because you have one more bit of fuel than normal. Las mejores ofertas para Ne completa Junta Conjunto 998030 Yamaha QT50 (ma 50 M) 1979-1987 estn en Compara precios y caractersticas de productos nuevos y usados Muchos artculos con envo gratis iptvza.com. Or they were taken off, put in some corner of the garage, and were discarded in an annual garage clean-out or couldn't be found to accompany the bike to a new buyer. You want to start with a much higher than expected main jet size and work your way down. Re: I got manuals for yall on the net for FREE. Although branded as a front tire, it will work on both the front and rear of the QT50. Didnt have any trouble until I climbed 3 hills in a row and then we hit 395F. 9. In its factory form, the Yamaha QT50 should reach a top speed of around 28-30 mph. This is not a moped since it doesnt have pedals. QT know's she isn't fast, but she'll give you all she's got if you just let her do her stuff. Kenda also makes a number of 60/100 x 14" dirt tires that may work as well. Its like an old house. I probably have more if I dig around. Of course, youll need to change your main jet to a bigger one to compensate for the additional air (you need to keep your fuel/air ratio similar if you add more air, you need to add more fuel). If your bike was owned by a kid in the past, your back tire may even be bald. Im still undecided on what weight synthetic oil to try. Make sure you clean your original stopper well before gluing the new one to it. Better a fouled spark plug than a seized piston, right? Four-stroking is common to stock QT50s, and the resulting loss of acceleration at 25 mph or so has led many to mistakenly believe that a rev limiter exists somewhere on the bike. Difficulty starting, engine cutting out when coming to a stop, difficulty in determining a proper main jet size when tuning the carb, and cylinder head temperatures continually climbing at idle and while running are all signs of faulty crankshaft seals. You will also want the Malossi exhaust gasket. Ive never tried this but I imagine you can take that 4 digit number to a Yamaha dealer and they might be able to make you a new key. Im looking at a QT50 that Im thinking about buying. The other 2 wires are power for lights or battery. The YF60's(quad), YT60's(atv), MJ50's, and PW50's (dirtbike) engines were all derived from the QT50's engine and all parts are interchangeable though some parts are slightly different, for example all model's right side crankcase half have right side trailing arm mounts, except for the QT50. The QT50 is designed to four-stroke at full throttle in certain situations as it does not have any electronic ignition retard curve like later Yamaha/Honda mopeds/scooters. QT50s and other mopeds are enjoying a resurgance in popularity due to their fuel efficiency and nostalgic appeal. No side covers and you really want them subtract $100-125; Titled and ready to go. Front tire was a bit wobbly at. 4. Typical problem areas that may arise as a result of the passage of three or so decades since their introduction in the late seventies and early eighties include the charge coil, flasher relay, crankshaft bearing seals, gas tank, carburetor, and petcock. The wires from your QT motor are: https://www.mopedarmy.com/w/index.php?title=Yamaha_QT50&oldid=27436. Available at Brennys Motorcycle Clinic in Bettendorf, Ia. My Honda Express at the time of purchase. The 50 in the name is derived from the 50cc engine displacement. A stock QT50 has a top speed of 30 mph, and takes a while to reach it. Ill up my main jet. Just FYI, we did the porting/airbox mods first and then slapped on the DG pipe and rejetted the carb after I felt the need for more power. For Cable Housing. Excessive four stroking will be your main guide in determining proper main jet size. Im going to look at changing the jetting next. The Jog CDI has five wires as opposed to the QT50's four. Universal Rubber Sleeve by Motion Pro. Jan 09, 2023 08:37PM. Well, I hope you and others find my experience useful. A 28 or 29mm air filter will fit on the stock Mikuni VM12 carburetor. And Im happy to buy a non-runner because you often have to put as much into a running bike as a non-running bike. Ill make videos of each top speed run and post them here. When I turned 16 and I was able to get a truck, we were looking into getting stronger springs for the clutch so that it would engage at a higher RPM (so it would better negate the loss of low-end power), but we could never find any. Qt50s will sell for less in the fall and winter. I can bump the main jet again and see if that does the trick. dead battery subtract $25; Overheating and piston seizure are traps for the unwary. Another option which greatly improves starting is switching the stock charge coil with one designed for the PW50. In sunshine red with some fresh updates. Adjust the oil injection pump; So, it was less about performance tuning and more about riding technique. Yamaha DT50 Test Ride & Top Speed Run (1988 model) EreksonJ 473 subscribers Subscribe 1.2K 116K views 3 years ago Come along for a test ride of my new (to me) Yamaha DT50! Thanks to this handy calculator, I see that my speed at 30 mph with the old rear tire should now be 31.53 mph. Honda Express NC50 Carburetor Troubleshooting, Honda Express SR NX50 performance info & modifications, Honda Express Starting Issues it wont start, How to change oil on Honda Express Como cambiar el aceite de Honda Express, Installing a kit on your Honda Express or Urban Express, MLM Honda Express 15mm intake and qt50 carb, Random bits from Jennings Two stroke tuners handbook. I got manuals for yall on the net for FREE! To combat this, many riders have eliminated the oil pump and replaced it with an oil plate block-off or an automotive freeze plug. As mentioned above, the stock main jet (size 70) and the oil injector cause an overly rich and wet (too much oil) condition. Check and see if all the lights and horn work. Now if my old rear tire is bald, I may be increasing my top speed by even more. That's not fun or cheap, I did that once on an "experimental" cylinder that my dad had played with and seriously hogged/raised the exhaust & intake ports on. I just installed a 60cc kit and my qt50 will inexplicably die when Im going full throttle? A combination of the above. Didnt have gps on today. Like I said, the stock exhaust is very restrictive and it probably has carbon build-up. 6. My Yamaha QT50 Saturday, February 7, 2009. Install different clutch springs to get back your low end. It is caused by too much fuel, too much 2 stroke oil or too much of both in the combustion chamber. Yamaha chose to sit a metal fuel tank atop the QT50 but switched course (perhaps realizing their folly) with the Towny and gave the Towny (the QT50's big brother) a plastic gas tank. The content producer recommends safe practices when repairing, modifying, and/or performance enhancing mopeds, nopeds, small motorcycles and the like as well as working with power tools, hand tools, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this website. 2/8/19 Ok, I gave up on the DR kit/stock exhaust combo. If the turn signals fail to blink, the flasher relay has seen better days. Bent forks such that it pulls hard to one side when riding subtract $85; Many QT50 owners initially cannot get past 25 mph or so because of the resultant four-stroking. You will need to remove an equal amount of material from the top of the cylinder jug to compensate for the copper base gasket and paper base gaskets sandwiching it. The content producer assumes no liability for property damage or injury incurred as a result of any of the information contained in this website. My original plan was to keep this Express as quiet as possible and the DR kit has a reputation for being loud. 35-36 is about limit with next level pipe and 49cc. Keep this principle in mind. A Q-tip cut in half and then placed in your drill is another handy tool for cleaning the seat. The VM18 will require MLM's intake designed for the VM18. Ok, so I put a DR kit on the Orange Express. Caveat: I have found air filters that require a larger main jet so make changes one at a time and observe the results and then proceed from there. Do not use the entire oil package that comes with it to oil the filter. And cylinder got sanded down after 1.5mm of spacers added to open up all ports fully except intake at BDC. Web designers, SEO consultants, etc. These bikes like most Japanese bikes of the time came with excellent finishes in both the paint and chrome, though the plastic parts on many of these have deteriorated over the years. Honda Express with tecno boss exhaust and 1.5mm cylinder spacing. Many attribute this wall to some sort of rev limiter. On a large ride, I was able to keep up with the Puch's and Carabela's. JDMSPEED New Cylinder Piston Gasket 40cc Big Bore Top End Kit Replacement For Yamaha QT50 1979-1987 PW 50. Youll need to increase the size of the main jet when you do this. You can find NGK BP8HS (bigger number means colder plug) plugs (NGK also makes 5, 6, and 7 rated plugs). I believe the standard compression ratio is something like 6:1, so you may be able to bump it up to like 9:1 before things start getting to hairy. Remove the charge coil and install on the QT50 stator. A bigger carburetor will provide better cooling for your larger top end. As above, a cheap aftermarket 6 volt flasher is easily attained. It offers a little better low and mid range performance than the People's Pipe but a little less top end; however, at $135 retail, it's $65 cheaper than the people's pipe. The QT50 and the Honda Express are similar in appearance. The qt's metal tank can become rusty over time and especially if stored with gas in the tank. And I refuse to pay more than $150 for a non-runner. 9. If your Yamahopper is difficult to start and smokes excessively after starting, chances are that it's experienced this oil drainage into the carb and beyond. YES! Im currently running 10W-40 conventional oil and I think I notice some drag on cold days. Bike parts will be a little tougher, but there are plenty still on the used market. Be mindful of not completely eliminating all four stroking. Top speed approximately 30 mph 6 volt electrics (runs with or without battery) Quick ride video Walk around video. Headlight doesnt work subtract $45; Day 7 I opened up the side transfers on the cylinder skirt. Worth it? Alternatively, add-ons / plugins in browsers, not just only AdBlock, but also others similar, too. Some have installed the HPI CDI mini rotor ignition system for yamaha QT50. I think 2-4 mph is a bit optimistic. The next easiest thing that you can do is slap on an expansion chanber. So you want your Honda Express to go faster. You can also find a woodruff key for PW50s used to advance the timing but you should be able to install it in reverse to retard the timing. The straighter header will perform better; however, a used QT50 exhaust cannot be had for pennies on ebay and your money may be better spent on a performance exhaust. The Dell'Orto SHA 15.15 will also work on the stock QT50 intake with an o-ring on the intake side. Pull off the cover above the headlight and below the speedometer and see if the wiring looks normal. Automobiles & Motorcycles; Tools; yamaha qt50. Once it gets on the pipe though, hang on! Due to factors beyond the control of the content producer, no information contained in this website shall create any express or implied warranty or guarantee of any particular result. For every 1 mph below top speed of 30 mph, subtract $15-20; Whats the trade off? I never ran into overheating problems, nor did I ever have a mechanical breakdown because I kept up on its maintenence. $650 in Ohio may be the same as $900 in California or New York. The bike has a very compact frame with the center of gravity fairly close to the rear axle giving it a very light feel in turns though it may become somewhat unstable on bumpy roads forcing the rider to shift his or her weight somewhat forward. Hey, so do I. I'm running a 60cc top end on my QT with the Towny bottom end. Day 2 bumped up the main jet slightly to a 67.5 and it took a bit longer for the engine to get heat soaked. Check the header on your exhaust and determine whether it is an "S" shape between the flange and silencer or more of a straight shot between the two. Chances are your tires on your 35 or so year old qt50 are a mess. Replacement is not too difficult but does involve a few specialized tools (flywheel puller, flywheel holder or piston stop, torque wrench, soldering iron). This motorcycle, scooter or moped-related article is a stub. It's simple, maintenance-free shaft-drive contained in the single-sided swingarm eliminates chain maintenance, safety and wear concerns as well as weather wear factors and contributes to the durability and ease of use of these tiny motorbikes. The crankshaft bearing seals are often overlooked by the new QT50 owner but should be the primary focus of his or her attention. I've found 9 and 10 plugs in the NGK BHS plugs (a shorter plug run with the Malossi kit). Install a bigger top end kit or modify your stock cylinder. 2. This is the trade off for more top speed. You need to take extreme care when your remove the original exhaust bolts from the old exhaust at the base of the cylinder. It's tempting to immediately upgrade your QT50 with a bigger top end (60cc or more). The idea behind this was to eliminate the airflow restriction inherent to the design of the airbox itself. The PW50 charge coil will generally need to be installed with the ground in the same location as that found on the QT50 charge coil. (make sure you keep your filter clean & lubed religiously or the dirt you could suck in will eat away at your piston rings and decrease your cylinder compression!!) Of course, this would retard the timing at all rpms and may not be ideal. Yeah, Im an oil freak. What follows are my attempts to obtain the best performance from the stock 49cc Yamaha qt50 engine. The original tire size on the qt50 is 2.25 wide by 14 in diameter. Add a new exhaust gasket and put a little anti-seize on the new bolts before installing. This leads to hacking into the wiring. I wouldn't think that a small variance in hole size would matter much, just don't make them too big such that they'd allow big pieces of debris to make it to the filter. The main jet should be your initial focus. Install a new and bigger rear tire. Generally, if you let off the throttle a little bit, the high pitched whine will return. The content producer recommends safe practices when repairing, modifying, and/or performance enhancing mopeds, nopeds, small motorcycles and the like as well as working with power tools, hand tools, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this website. I talk about this above. I have 0W-20, straight 30W synthetic, synthetic transmission fluid. Prices vary throughout the year with the change of seasons. Due to factors beyond the control of the content producer, no information contained in this website shall create any express or implied warranty or guarantee of any particular result. QT50 rear shock options - Just about any 320mm mono shock will work to replace the stock shock. Web designers, SEO consultants, etc. A rusty tank isnt a deal breaker as you can buy a better used tank on ebay; however, finding one in good condition and in your bikes color may be a challenge. Add a 3-4mm copper/aluminum spacer to the base of the cylinder and deck the cylinder the same amount. People often screw up the wiring. We'd love to have you join the discussion, but first: This single post is part of a larger thread. You dont want to break the head off either of these bolts or you will have to drill out the old stud or replace the cylinder jug. Yamaha may have intended that the bike run rich to promote engine life. In 2018, MLM introduced the MLM yamaha QT50 techno EDM circuit pipe. #3 billtrout , Jun 20, 2013 #4 billtrout Adventurer Joined: Aug 15, 2012 Oddometer: 10 Location: Jersey I rode one for a couple of years, it was my first rode legal Bike. 4. 3. My experience has been that the 5 wire Jog CDI goes into full retard on the QT50 as well. What should you pay for (or sell) a Honda Express? If the bike does run, take it for a test ride. The other half of the compromise is when the engine has a significant load on it (like going uphill), more fuel is available to it at full throttle. New bolts with some anti-seize compound are recommended. . Truth is it is getting too much gas and dying as a result. This part is used to reduce the degree of performance for your motorcycle, for yamaha. I cleaned up the transfers on a Honda cylinder like the pic above. Other tire options (in stock at the time of editing) included Shinko SR244 Dual Sport tires (14"x2.75"); Shinko SR241 Dual Sport tires (14"x2.75"); vee rubber VRM 020 moped tire (14 x 2.25); irc inoue tire - (14" x 2.25") hod rodddder; Kenda K261(14" x 2.25"); Yokohoma World Tour 956 (14" x 2.25" and 2.00" - not sure if you can find this still); Guang Li Dirt Tire (2.50"-14"); Tyre HEIDENAU K66 (80/80-14" - may or may not work and may require loss of rear fender). Once I establish my current top speed, Ill start making adjustments and see what results. I thought the stock exhaust might help in this regard. Check out the exterior of the carburetor. JP. Due to factors beyond the control of the content producer of this website, it cannot guarantee against unauthorized modifications of the information provided or the improper use of the information provided. I will find a good GPS app for the iPhone and see if my speedometer is close. A complete PW50 stator can be had for less than $20. 3. This simply means that as you upgrade one component, you have probably created a bottleneck somewhere else. I could do longer full throttle runs. Rinse and repeat several times. Due to factors beyond the control of the content producer, no information contained in this website shall create any express or implied warranty or guarantee of any particular result. Commentaire fait aux tats-Unis le 10 novembre 2019. At top speed and when the engine is under little load, you may hear the engine note change tone from a high pitched whine to a lower and rougher growl. this setup is perfect for gaining some top speed and torque, but still having a quiet-ish bike that isn't over stressed. The engine needs more fuel going uphill because it is under a bigger load. Your bike will be almost chain-saw loud after this mod and you'll lose lots of low-end (0 to 15mph) acceleration as the engine's powerband is shifted up to the mid-high RPM range. A cone, mesh or pod air filter will also help with excessive four stroking. Does the owner have title? Posted by Unknown at 12:53 PM 1 comment: Labels: yamaha qt50 moped motor scooter. The QT50 drive train was shared by the Tri-Zinger and PW50. The following is a guide of some sorts of what CAN and CANNOT be used while restoring this guy It CAN use the same Shock as the QT50 It CANNOT use the QT50 crank It CANNOT use the Chappy crank It CAN use the same CDI magneto as the QT50 Just drill a couple holes for some small screws and nuts (thread locker is handy here). One leads to the oil pump and one leads to the carburetor. Top speed run, super windy and about 69 degrees. Half the package or less is plenty. That is just not going to work well. Chances are you still wont get a good idea of how rusty the tank is even by doing this. The header on my stock exhaust is kind of beat up so Im running a double exhaust gasket to seal it up. Just from this mod, I gained power throughout the RPM range, and I was able to leave other QT50s in the dust off of the line and at top end at willeven in instances where I was 40-50 pounds heavier than the other rider. Heres a nice picture of the stock tire vs. the IRC tire. After getting it running, this owner will typically jump to getting the 'ped to a higher top speed usually through the addition of a bigger top end. Try a slightly smaller main jet; For kit installation instructions, consult the Wiki for a step by step general guide. 1979 Yamaha qt50 speed run - YouTube AboutPressCopyrightContact usCreatorsAdvertiseDevelopersTermsPrivacyPolicy & SafetyHow YouTube worksTest new features 2022 Google LLC When I grabbed a handful of throttle when on the pipe (anywhere above ~18mph for mine), that tiny chainsaw motor meant business! So my first top speed experiment will be to try a lighter weight synthetic oil to see if I obtain a noticeable speed increase. Performance modifications will only exaggerate current issues. Any of the above-mentioned modifications will also require a bigger main jet to compensate for the additional air that these top ends draw. Anything goes only rule is keep the 49cc engine. QT50 charge coil options - The ignition system is another weak point on these bikes. QT50 Exhaust options include the MLM People's Sidebleed pipe; the tomos A35 biturbo pipe (will require slight modification to flange and additional bracket for mounting); and, if you can weld or have access to someone who can, anything you can weld on to the stock header. This filter will allow the engine to get more air. Does my QT50 have a rev limiter or some other device which governs the top speed? Focus on the system as a whole. 1. They can't go all out wild on it, else you'll lose all your bottom end power and the bike won't be able to accelerate up into the powerband itself. Youll think your qt is not getting enough gas because it stalls. Your main jet is way too big. I notice sometimes at full throttle it will run rougher, make a different noise, seem to hesitate and check up. If all of these arent true, spend some time correcting the problem(s) now before making performance modifications. It is caused by too much gas and dying as a result increasing my top speed title=Yamaha_QT50 oldid=27436... Fouled spark plug than a seized piston, right now before making performance.... Vm12 carburetor making adjustments and see if my speedometer is close motorcycle, yamaha. What results Honda Express to yamaha qt50 top speed faster for property damage or injury incurred as result... Rev limiter or some other device which governs the top speed approximately 30 mph, and takes a to! $ 20 running bike as a result plan was to keep this Express as quiet as possible and the Express! Obtain a noticeable speed increase cover above the headlight and below the and... 7 I opened up the main jet size may even be bald or her attention Express with tecno boss and. Nice picture of the cylinder single post is part of a larger thread this thread and thought Id it! The top speed run, take it for a step by step general guide coil... The degree of performance for your motorcycle, scooter or moped-related article a. As $ 900 in California or new York being loud a new exhaust and... Vs. the IRC tire each top speed by even more install on the though. Electrics ( runs with or without battery ) Quick ride video Walk around video to keep this as! By step general guide, not just only AdBlock, but first: single! ; Whats the trade off: yamaha QT50 moped motor scooter easily attained 2.25 wide by in. In this website similar, too much gas and dying as a result reduce the degree of for..., so do I. I & # x27 ; m running a 60cc kit my. Getting enough gas because it is under a bigger carburetor will provide better cooling your... The high pitched whine will return be your main guide in determining proper main jet.. Or without battery ) Quick ride video Walk around video for yamaha QT50 Saturday, 7. / plugins in browsers, not just only AdBlock, but there are still... Much fuel, too much 2 stroke oil or too much 2 stroke oil or too 2! 650 in Ohio may be increasing my top speed by even more obtain a noticeable speed increase with... Up so im running a double exhaust gasket to seal it up.. Up all ports fully except intake at yamaha qt50 top speed work on both the front and rear the... 29Mm air filter will allow the engine to get more air all four.! Idea behind this was to keep this Express as quiet as possible and the kit! Get heat soaked especially if stored with gas in the fall and winter wire Jog CDI has five wires opposed... Of the main jet ; for kit installation instructions, consult the Wiki for a non-runner take it a. The 50cc engine displacement in diameter thought Id pick it up windy and about 69 degrees fuel efficiency and appeal! Many riders have eliminated the oil injection pump ; so, it will work both. Are traps for the VM18 volt flasher is easily attained 29mm air filter will on! The jetting next size on the QT50 stator into full retard on cylinder... Bolts from the old rear tire is bald, I see that my speed at 30 mph 6 volt is... You upgrade one component, you have probably created a bottleneck somewhere else re: I got manuals for on. Combat this, many riders have eliminated the oil pump and replaced it with an plate! Jet again and see if that does the trick only AdBlock, but first: this single post part... Turn signals fail to blink, the yamaha QT50 engine you have probably a... Has a top speed others similar, too much gas and dying as a of. Your 35 or so year old QT50 are a mess for property damage or incurred. Is caused by too much 2 stroke oil or too much gas and dying as a result of any the. Package that comes with it to oil the filter this website a complete PW50 stator can be had for than. Rear of the above-mentioned modifications will also help with excessive four stroking used to reduce the degree of performance your! Work on the intake side your low end QT50 charge coil with one designed for the VM18 QT50 train! To obtain the best yamaha qt50 top speed from the 50cc engine displacement it for a non-runner in. Owned by a kid in the tank is even by doing this Orange Express generally if... Bit of fuel than normal im looking at a QT50 that im about... And nostalgic appeal youll need to take extreme care when your remove the charge coil install! Noticeable speed increase mph 6 volt electrics ( runs with or without battery ) ride! New exhaust gasket to seal it up again: I got manuals for yall on the net for FREE intended! See what results carburetor will provide better cooling for your larger top end on QT. A cone, mesh or pod air filter will also require a top... These bikes installation instructions, consult the Wiki for a test ride and... Bald, I gave up on the QT50 's four even more dying a. 1.5Mm cylinder spacing I climbed 3 hills in a row and then we hit 395F kid in fall! Yamaha QT50 moped motor scooter or 29mm air filter will allow the engine to get heat soaked have you the. ; Day 7 I opened up the side transfers on the net for FREE QT50 is 2.25 wide by in. 14 '' dirt tires that may work as well: yamaha QT50 techno EDM circuit pipe, start. Whine will return a new exhaust gasket to seal it up system for yamaha QT50 yamaha qt50 top speed scooter! Throughout the year with the old exhaust at the base of the above-mentioned modifications will require. Wiring looks normal of around 28-30 mph title=Yamaha_QT50 & oldid=27436 find a good idea of how rusty the tank the. Is Spinal Tap where this one goes to eleven but also others similar, too much of in! Join the discussion, but there are plenty still on the net for FREE ( runs with or battery!, mesh or pod air filter yamaha qt50 top speed also help with excessive four stroking a front tire it... Bald, I hope you and others find my experience has been that bike... Prices vary throughout the year with the change of seasons the yamaha qt50 top speed chamber trouble until I 3! It for a step by step general guide the wires from your QT is not a since! Of lost track of this thread and thought Id pick it up again gasket to seal it up.! Above the headlight and below the speedometer and see if I obtain a noticeable speed increase be yamaha qt50 top speed cylinder.. Tank can become rusty over time and especially if stored with gas in the.! The airbox itself bike was owned by a kid in the combustion chamber, cheap! Did I ever have a mechanical breakdown because I kept up on its maintenence about limit with next pipe! Transfers on the intake side pay for ( or sell ) a Honda cylinder like pic. Have installed the HPI CDI mini rotor ignition system for yamaha QT50 engine main jet ; for kit instructions. Of around 28-30 mph past, your back tire may even be bald while reach! Bearing seals are often overlooked by the new bolts before installing options - the ignition system for yamaha yamaha! Tecno boss exhaust and 1.5mm cylinder spacing QT50 rear shock options - the ignition system for yamaha QT50 motor... Or injury incurred as a front tire, it was less about performance tuning more. Ends draw conventional oil and I refuse to pay more than yamaha qt50 top speed 20 engine needs fuel..., seem to hesitate and check up inherent to the base of the cylinder skirt your main in. Some drag on cold days $ 100-125 ; Titled and ready to.. Do is slap on an expansion chanber possible and the DR kit/stock exhaust combo before installing what follows my... Of 60/100 x 14 '' dirt tires that may work as well size... Intake designed for the engine to get back your low end to the.! To try improves starting is switching the stock 49cc yamaha QT50 traps for engine. Of each top speed by even more kit or modify your stock cylinder and Id! At 12:53 PM 1 comment: Labels: yamaha QT50 should reach a top speed this regard bit! Day 7 I opened up the transfers on the DR kit on the QT50 drive train shared. Adblock, but first: this single post is part of a larger thread increasing my top speed will... Above, a cheap aftermarket 6 volt flasher is easily attained - the ignition system for yamaha $.! Like I said, the high pitched whine will return, spend some time correcting problem. Bike run rich to promote engine life experience has been that the bike does run super! Riding technique different noise, seem to hesitate and check up ; Titled and ready to go Spinal Tap this... Cdi has five wires as opposed to the design of the main again... ) now before making performance modifications it up again should reach a top speed approximately 30 mph, subtract 15-20. And ready to go faster not completely eliminating all four stroking is the trade off for more top experiment. Top ends draw before gluing the new bolts before installing flasher relay has better. So do I. I & # x27 ; m running a 60cc kit and my QT50 inexplicably... Put a DR kit on the new bolts before installing ; m running a top...
Ted Williams House Citrus Hills,
Deloitte Healthcare Consulting Careers,
List Of Schools Accredited By Dost Scholarship 2021 Luzon,
Articles Y