Yamaha qt50 ring and pinion. No issue in 30 years with the oil injection - that's reliability. 1985 Yamaha QT50 Yamahopper Rear Differential Ring Gear, Drive Pinion. Find many great new & used options and get the best deals for OEM 1980 YAMAHA QT50 ring drive gear & pinion assembly # 3L5-46110-00-00 at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for OEM 1980 YAMAHA QT50 ring drive gear & pinion assembly # 3L5-46110-00-00 at the best online prices at eBay! Free shipping for many products! Yamaha QT50 Rear End Final Drive Ring Gear & Pinion PW50 Racing Conversion #132 Pre-Owned $350. “1979-87 QT50 gear set #132. ” Read lessabout the seller notes Brand Yamaha Type Ring Gear + Pinion Machine Type This service manual contains detailed information on the maintenance and repair of the Yamaha QT 50 and MA 50 motorcycles. Great deals. These small mopeds are easy to ride, maintain, are fuel efficient (135mpg) and were quite popular during its day. Oct 1, 2017 · A website dedicated to the Yamaha QT50 and other mopeds, mopeds and scooters. Due to the length of the pw50 axle, the qt50 axle was pressed into Wanting to find Qt50 Gear online? Find Qt50 Gear on sale here with the largest choice of Qt50 Gear anywhere online. The ring gear had light rust which caused minor pitting. Find many great new & used options and get the best deals for Yamaha Qt50 Final Drive Ring And pinion Gears at the best online prices at eBay! Free shipping for many products! Yamaha PW50 high performance transmission gear designed to give PW50s more low end torque. The pinion is excellent. 1985 Yamaha QT50 Yamahopper Rear Differential Ring Gear, Drive Pinion | eBay Motors, Parts & Accessories, Motorcycle & Scooter Parts & Accessories | eBay! Apr 8, 2024 · This 1985 Yamaha QT50 Yamahopper is finished in red and white, and it is powered by a 49cc two-stroke single linked with a single-speed transmission and an enclosed driveshaft. 594 Keystone ring Keystone ring B. Unlike the chain drive system, the shaft drive system does not require frequent maintenance such as chain tension ad-justment, oiling, replacement of a worn sprocket, but it is advisable to grease the drive pinion and ring gear teeth periodically. inion). 00 Free shipping Sold Yamaha Qt50 Final Drive Ring And pinion Gears US $299. Ready to install. Yamaha chain lube is engineered for all weather conditions, providing long-lasting protection against rust and corrosion for extended chain life. No returns. 70 shipping May 31, 2025 · Sold Yamaha Qt50 Final Drive Ring And pinion Gears Yamaha Qt50 Final Drive Ring And pinion Gears US $299. then reassemble. The original QT50 ring and pinion gear have been removed and a PW50 gear set has been installed. PLEASE NOTE. - pw50 rear axle, can come from a spare rear end. Parts from a 3/84 QT50 with vin # JYA5U9006??. These are the gears you need for your kids pw50 to make him competitive in the races. We have a great online selection at the lowest prices with Fast & Free shipping on many items! May 31, 2025 · What you are looking at is a modified qt50 Yamaha rear end. . 585 in. Nov 8, 2011 · I'm waiting on the QT50 ring and pinion gear to come in from Pee Wee Cycle and I think it will be the icing on the cake to make this project a huge success. Sep 4, 2025 · OEM 1980 YAMAHA QT50 ring drive gear & pinion assembly # 3L5-46110-00-00 $295. 47. Nov 27, 2013 · i removed the bearing from the qt50 pinion for practice and also to post pics, i also put a new sealed bearing on the pw50 pinon i have so when it comes time to install the pw50 gears, it has a fresh bearing as well. 00 or Best Offer Free delivery Located in United States rooster479 99. Perfect for short track. It comes with a part #3l5-25135-00-00 gear wheel. 40 shipping (B) both pinion bearings have been replaced with new C3 electric motor quality bearings - teeth are square but both input shaft & ring gear teeth have pitting from rust (see pictures) - splines and threads are good - no wear lines can be felt - should still be in good usable condition, rust has been removed with wire wheel on a bench grinder. The bike was acquired by the May 22, 2002 · I am sure ypou could get a PW ring gear and pinion (for CHEAP!) and swap them on for higher gearing. 50 mm 0. Yamaha QT50 Rear End Final Drive Ring Gear & Pinion PW50 Racing Conversion #132 $350. 00 The yamaha qt50 speedometer gear is made to original dimensions. We have a great online selection at the lowest prices with Fast & Free shipping on many items! YAMAHA QT50 REAR End Final Drive Ring Gear & Pinion PW50 Racing Conversion #131 - $483. you can double nut it or weld a nut on the other side Hey guys I finally got some time to install the QT50 ring and pinion gear and man did it make a huge difference! Really easy to install and only took the machinist at work about 3-4 minutes to press the bearing and shaft on the new parts. Gears are in good shape. So is my best bet to swap in the PW shaft and use the QT housing and all, or to get the gears out of the QT and fit them into the PW unit? May 31, 2025 · They are in great shape. - with a froze engine - mostly complete. You 317159402444 YAMAHA QT50 REAR End Final Drive Ring Gear & Pinion PW50 Racing Conversion #131 - $590. 70 shipping VM18 carb, Puch gigantor head for super-cooling, performance reeds, adjustable rear shock, all lights work, pw50 ring and pinion gears, over bored yt60 cylinder, rev plate, advanced timing, beastly rear tire, separate reserve tank, the list goes on. Works awesome for starts & holeshots Replace the standard OEM gear with this special heavy duty, USA-made Top End Machine brand transmission gear. ” Read lessabout the seller notes Brand Yamaha Type Ring Gear + Pinion Machine Type Street Motorcycle Manufacturer Part Number 3L5-46110-00-00 + 15L Year Make Model Submodel Add vehicle 1985 Yamaha QT50 Yamahopper Rear Differential Ring Gear, Drive Pinion Pre-Owned C $516. ONE Genuine Yamaha OEM,NOS,NEW. 43 Special cast iron 40 mm (1. Shop Other Motorcycle & Scooter Parts & Accessories for Yamaha QT50 with eBay Guaranteed Fit. 7:1 Trizinger = 7. I have no plans on racing this bike so I wasn't worried about being AMA legal. 0:1 My question is I have a ring and pinion but don't know what its to? Anybody know how many teeth on ring or pinion of qt50 and/or trizinger? Any help would be greatly appreciated. 1. If it's leaking from exhaust connection, it will be noticeably louder or you should be able to feel it if you stick your hand under it and give it throttle. Gear, Kick Pinion (13T). FOR SALE! This is the 131st set of QT gears that I've offered for 317159396748 Yamaha Qt50 Final Drive Ring And pinion Gears | eBay Motors, Parts & Accessories, Motorcycle & Scooter Parts & Accessories | eBay! Dec 1, 2017 · Thank you but this video just covered greasing the ring and pinion I need to disassemble the whole shaft drive system I think Also I can't find a shaft drive assembly for a qt50 in stock but I found a pw50 for sale are they exactly the same or are there differences ? They are in great shape. press the qt50 axle out of the ring gear. The newer QT50's used an aluminum cover Les meilleures offres pour Yamaha Qt50 Final Drive Ring And pinion Gears sont sur eBay Comparez les prix et les spécificités des produits neufs et d'occasion Pleins d'articles en livraison gratuite! YAMAHA QT50 REAR End Final Drive Ring Gear & Pinion PW50 Racing Conversion #132 - $599. then install the shaft in the qt ring gear and reinstall. 69. Find many great new & used options and get the best deals for Yamaha QT50 Rear End Final Drive Ring Gear & Pinion PW50 Racing Conversion #132 at the best online prices at eBay! I was unhappy with the lengthiness of my previous two part series on swapping the ring and pinion gears from a yamaha pw50 to a qt50 so I edited it down to just the nitty gritty to keep Jun 14, 2022 · The Yamaha QT50 or Yamahopper is a noped (moped style frame architecture but lacking pedals) produced by Yamaha from the late 70s to the late 80s. P-141 Nikon 0651-0653. com You can find the pinion bearings with removal tool for sale on ebay. At VDT Motorcycles we have a current inventory of over 11,000 NOS Yamaha, Kawasaki, and Honda part numbers. 01 mm (0. These are often used as an upgrade for a Yamaha PW50 all year models. I pulled out the pinions and put them side by side and one of them is noticeably bigger. Stk#QT-694. I assume you changed crankshaft bearing seals? (edited) Aug 26, 2025 · GENUINE YAMAHA OEM, GEAR DRIVE PINION (10T) , 15L-46121-00, QT50 $180. GEAR DRIVE PINIONPINION (10T), 15L-46121-00-00. Sold as-is. We have a great online selection at the lowest prices with Fast & Free shipping on many items! YAMAHA QT50 FINAL Drive Ring Gear & Pinion Conversion Gears For PW50 Racing #89 - £272. The ring gears are identical. Also for: Ma50. 00 + $12. very little, if any wear. Dec 26, 2003 · ONce they are more experienced ou can drill out the hole a bit until you finally remove it all the way. These are the gears you need for your pw50. Aug 7, 2025 · OEM 1980 -84 YAMAHA QT50 ring drive gear & pinion assembly # 3L5-46110-00-00 $350. com. 1985 Yamaha QT50 Yamahopper Rear Differential Ring Gear, Drive Pinion | eBay Motors, Parts & Accessories, Motorcycle & Scooter Parts & Accessories | eBay! Sep 28, 2019 · I tore apart the rear end of my other qt50 and found it has a different sized pinion gear. Notable Features The most outstanding feature of this bike would have to be its final drive which consists of a solid drive shaft (with a torsion spring to dampen the engines vibration) that connects the transmission to a ring and pinion gear set in Sep 15, 2004 · well a bit more than thatpull out the ring gear from the qt50 setup. I had purchased bearings online with the tool that were listed as Yamaha bearings but were in fact F&D brand Chinese bearings, buyer beware it's the only eBay listing with all 4 bearings and the tool. This part does include the original packaging. The Apr 7, 2012 · I then installed the QT50 geared PW50 axle assembly into the QT rear housing (QT pinion still installed). 57 in) 0. 00 + $13. Very popular for the pw50 racers. pitvipermx. FOR SALE! You'll need to press in your PW axle as it's different from 314610336717 Jul 12, 2025 · The product is a rear end drive ring and pinon gear set designed for the Yamaha PW50 but it has been modified with the Yamaha qt50 shaft and casing. It is a 1982 QT50 drive shaft housing that has been fitted with pw50 gears (PW50 3L6 (54T) ring/ 11T Pinion) inside that have been adapted to A QT50 axle, and will fit all years of QT50. Apr 28, 2009 · On the QT50 The drive pinion (10T) and ring gear (57T) . 047 mm (0. Nos Parts Now is Buying and Selling Vintage New Old Stock Motorcycle Parts Honda, Kawasaki, Suzuki, Yamaha and More Spark plug Oil pump Primary drivejgear Kick crank Reed valve—Manifold Generator (Rqtor) Generator (Stator) Exhaust pipe Cover plate (Iv ain axle) Screw (Middle driven pinion) Cover plate (R ng gear) Screw (Drive r. You 317159396748 Get the best deals for Qt50 Flywheel at eBay. 0014 00019 40. If you really have to have the black pw rearend you will need to make a tool to remove the pinion gear. It will have no ill effect regarding performance. 00 + $14. Shipped via USPS Priority Mail. Apr 24, 2020 · Looking for a Yamaha qt50 ring gear and pinion/drive gear. Minimum Radius Engine Engine Type Engine Model Displacement Bore x Stroke Compression Ratio Starting System Ignition System Lubrication Les meilleures offres pour Yamaha Qt50 Final Drive Ring And pinion Gears sont sur eBay Comparez les prix et les spécificités des produits neufs et d'occasion Pleins d'articles en livraison gratuite! Find many great new & used options and get the best deals for Yamaha QT50 Moped - Kick Start Pinion Gear and Clip at the best online prices at eBay! Free shipping for many products! Apr 22, 2020 · Does anyone have a source for the parts? I can’t find the ring gear on eBay. 00 Free shipping May 31, 2025 · Le migliori offerte per Yamaha Qt50 Final Drive Ring And pinion Gears sono su eBay Confronta prezzi e caratteristiche di prodotti nuovi e usati Molti articoli con consegna gratis! OEM 1980 YAMAHA QT50 ring drive gear & pinion assembly # 3L5-46110-00-00 | eBay Motors, Parts & Accessories, Motorcycle & Scooter Parts & Accessories | eBay! OEM 1980 -84 YAMAHA QT50 ring drive gear & pinion assembly # 3L5-46110-00-00 | eBay Motors, Parts & Accessories, Motorcycle & Scooter Parts & Accessories | eBay! (A) both pinion bearings have been replaced with new C3 electric motor quality bearings - teeth look good - very little pitting from rust on any surfaces - splines and threads are good - n wear lines can be felt - good usable condition. 002 0. Main axle assembly and middle driven pinion assembly Using a dial gauge, measure the amount of deflection of the axle. press the shaft out. Find many great new & used options and get the best deals for OEM 1980 YAMAHA QT50 ring drive gear & pinion assembly # 3L5-46110-00-00 at the best online prices at eBay! Free shipping for many products! Get the best deals for Yamaha Qt 50 Speedometer at eBay. 05 mm (0. These are geared lower and provide much faster acceleration over the stock pw50 gearing. It includes instructions on engine overhaul, lubrication, electrical systems, and more. It is further equipped with Autolube oil injection, a solo seat, street lighting, an inverted fork, a monoshock, 14″ wire-spoke wheels, front and rear parcel racks, and a center stand. Good luck bidding. 2% positive Aug 24, 2025 · Yamaha scooter QT50, 1979 -1987. you can double nut it or Apr 10, 2010 · here is what you need: - qt50 rear end complete with ring and pinion gear. Grease the drive pinion, at least, up to the center line What you are looking at is a modified qt50 Yamaha rear end. Parts off a pair of 7/79 1/80 QT-50 mopeds (1980 model) vin # 3L5-219598 & 3L5-714565 the 7/79 one ran before parting out. 0004 in) 0. Find top brands, exclusive offers, and unbeatable prices on eBay. 95 May 31, 10:40May 31, 10:40 See original listing Sell one like this Seller's other items SOLD Parts off a pair of 7/79 1/80 QT-50 mopeds (1980 model) vin # 3L5-219598 & 3L5-714565 the 7/79 one ran before parting out. Yamaha QT50 Rear End Final Drive Ring Gear & Pinion PW50 Racing Conversion #131 $350. Find many great new & used options and get the best deals for Yamaha OEM Ring Gear Assembly Yamahopper 1979-1987 Qt50 3l5-46110-00-00 at the best online prices at eBay! Free shipping for many products! You can find the pinion bearings with removal tool for sale on ebay. 8L diff $750. So it is a perfect match for your qt50. 95 Sell one like this Seller's other items Check the item description to confirm this fits your vehicle SOLD Jun 9, 2022 · What's the difference between running stock qt50 ring and pinion gears and pw50 ring and pinion gears in your Yamaha qt50? Jul 12, 2004 · pull out the ring gear from the qt50 setup. Las mejores ofertas para Yamaha Qt50 Final Drive Ring And pinion Gears están en eBay Compara precios y características de productos nuevos y usados Muchos artículos con envío gratis! Separate lubrication (Yamaha Autolube) 7. Find many great new & used options and get the best deals for Yamaha Qt50 Final Drive Ring And pinion Gears at the best online prices at eBay! Free shipping for many products! It is a 1982 QT50 drive shaft housing that has been fitted with pw50 gears (PW50 3L6 (54T) ring/ 11T Pinion) inside that have been adapted to A QT50 axle, and will fit all years of QT50. pull the qt50 ring gear with axle in it. 88 or Best Offer from United States jonathamyrvi_0 100% positive (40) derosnopS Yamaha QT50 QT 50 OEM Footrest Covers Peg Side Kick Guards Set LH RH Pre-Owned C $83. This is a bolt on application for a Yamaha QT50, and will no longer work on a PW50. I’ve owned several Yamahoppers and also currently own a Honda Express NC50, a Honda Urban Express NU50, and a Honda Aero NB50. Read moreabout the seller notes “1979-87 QT50 gear set #131. </p> Mar 16, 2016 · Back in 2007 I did this and I bought the gear and pinion at my local Yamaha dealer. 63 Ring and Pinion Differential Gears Final Drive for 1. com Austin Texas Find many great new & used options and get the best deals for Yamaha QT 50 QT50 Yamahopper rear drive housing with pw50 ring gear and Pinion at the best online prices at eBay! Free shipping for many products! Jul 24, 2007 · I have a QT50 rear end/housing with gears, brake, etc available to buy. The bearings are all in excellent condition + the drive is completely smooth. I will combine shipping. My use below. This also comes with practically new brakes that were used for a very short amount of time. Yamaha Qt50 Final Drive Ring And pinion Gears | eBay Motors, Parts & Accessories, Motorcycle & Scooter Parts & Accessories | eBay! It is a 1982 QT50 drive shaft housing that has been fitted with pw50 gears (PW50 3L6 (54T) ring/ 11T Pinion) inside that have been adapted to A QT50 axle, and will fit all years of QT50. Original piston, and one ring change. Get the best deals for Qt50 Tires at eBay. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Complete rear end for a Yamaha qt50. This setup is ideal for beginners and trail riding. Very well greased and in great used condition. 00 Buy It Now +$12. PW50 Upgrade at the best online prices at eBay! Free shipping for many products! item 3 OEM 1980 YAMAHA QT50 ring drive gear & pinion assembly # 3L5-46110-00-00 OEM 1980 YAMAHA QT50 ring drive gear & pinion assembly # 3L5-46110-00-00 $400. 60. My understanding is that the drive shaft which the pinion is on is too short, and I need to use the PW shaft. As with many parts, if you search for PW50 pinion bearings instead of qt50 pinion bearings, you may find cheaper options. then just use the entire qt50 rearend if your pw. 70 delivery Located in United States kmcycle 100% positive (5. 0 cc 10. 13. 95 Sat, 31 May, 03:40Sat, 31 May, 03:40 See original listingSee original listing Sell one like this Seller's other items Check the item description to confirm this fits your vehicle SOLD <p>Came off a 1984 qt50. Explore a wide range of our Yamaha Qt50 selection. The ring gear had one light rust spot which caused minor pitting. Part Number: 3L5-15631-00 View and Download Yamaha QT50 service manual online. I was unhappy with the lengthiness of my previous two part series on swapping the ring and pinion gears from a yamaha pw50 to a qt50 so I edited it down to just the nitty gritty to keep people Mazda Miata 3. Jul 27, 2012 · Qt50 = 5. Its possible it would be to high geared (too slow off the line) and you would have to go back to stock. 95 Buy It Now Apr 19, 2017 · So today I removed the reverse nut to free the pinion gear and had the bearing pressed off. looks new. 40. Shop now for fast shipping and easy returns! YearMake Yamaha ModelSubmodel 50 Finish adding vehicle Yamaha Qt50 Side Cover OEM Pre-Owned C $276. Feb 25, 2014 · For the PW50 rear gear mod on a QT you want a PW ring gear assembly and a PW pinion gear. Jason Renville www. Find many great new & used options and get the best deals for Yamaha Qt50 Ring Gear/pinion Final Drive Pw50 Racing Conversion QT PW 50 3l5 at the best online prices at eBay! Jun 14, 2011 · I have a 1981 Yamaha bike with oil injection that i rode the snot out of, and now my kids are riding it. qt50 gear identification — Moped ArmyDiscover a well-preserved 2001 Yamaha V Star 650 at an unbeatable price for collectors. Jun 9, 2025 · NOS (New Old Stock) OEM Yamaha LC50 MJ50 PW50 QT50 Kick Start Starter Pinion Gear 13T. This kick start pinion is in very good condition. FOR SALE! The parts were cleaned in a solvent tank and then blasted. Various shims and adjustments are needed to do the job right. Please reference the part number for correct model application. Get the best deals for Yamaha Qt50 Rings at eBay. Grease the shaded areas in particular. 1K) derosnopS OEM 80 YAMAHA QT50 yamahopper oil pump drive gears plastic Pre-Owned $19. 10 shipping The Yamaha QT50 Yamahopper was a moped produced by the Yamaha Motor Company from 1979 through 1992. 05 Buy It Now from United States revdupresale1 100% positive (134) derosnopS 1983 Yamaha moped Yamahopper QT-50 oem left side panel Find many great new & used options and get the best deals for Genuine OEM Yamaha Qt50 Yamahopper Moped - Rear Differential at the best online prices at eBay! Free shipping for many products! Jul 22, 2018 · There are ring stops or whatever they are called on the piston so if you got the piston in the cylinder,I think you should be fine. Check them out on YouTube. Shop with confidence. 47 Buy It Now This article won’t be a step-by-step how to but will give you the basics on how to install a new and larger top end on your Yamaha qt50 (also infamously known as the big bore kit). I usually sell these very fast. Do not remember the cost. a bolt with a 19mm head will work. Long story short, I returned the issue with the help of the seller with no issues. Buy It Now from United States spdracer711 (5,380) 100% 1985 Yamaha QT50 Yamahopper Rear Differential Ring Gear, Drive Pinion Pre-Owned C $520. do the same for the pw50 set. The LC50 has the QT50 pinion with a PW50 ring gear The YT60 has a different drive pinion the all the others. Jun 7, 2025 · After receiving the unit, I discovered that the unit in my mower was a different size than what I received even though both mowers were JX 85’s. Aug 3, 2025 · (A) both pinion bearings have been replaced with new C3 electric motor quality bearings - teeth look good - very little pitting from rust on any surfaces - splines and threads are good - n wear lines can be felt - good usable condition. Good shape. The pinion gear replaces the stock QT pinion gear on the crank shaft, and the ring gear should come with an axle built into it. Swapping ring and pinion gears on qt50 pw50Disclaimer: The following video features activities performed in controlled environments by knowledgeable persons Sep 28, 2019 · Noise is a common problem with ring and pinion gears in automotive differentials when lash and alignment is not set correctly. If exceeds the limit, replace the mian axle assembly and middle driven pinion assembly at the same time. 25 mm. The Himalayan engine features a long-stroke design, optimized for low-end torque and relaxed cruising on highways. Uses the same gear ratio as the QT50 transmissions, but this gear is located inside the clutch cover making it easier to change than the older rear end QT50 Jun 3, 2025 · What you are looking at is a modified qt50 Yamaha rear end. Sep 17, 2024 · Find many great new & used options and get the best deals for Yamaha QT50 Rear Differential Gear And Pinion. THEN press out the axle to the pw50, or use a PW50 axle and press it into the QT50 ring gear. Find great deals on eBay for Yamaha Qt50 Scooter. Due to the length of the pw50 axle, the qt50 axle was pressed into <p>Came off a 1984 qt50. Additionally, the throttle limiter screw can be adjusted over time to gradually increase the bike's speed as the rider becomes more experienced. Really good for the beginner and helps on trail riding too. This gives more bottom end but limits top end. it would be interesting though. </p> May 31, 2025 · Sold Yamaha Qt50 Final Drive Ring And pinion Gears US $299. Came off of a 1985 QT50 (12/85 build date) - 1,747 miles Engine: 5U9-145990 Frame: JYA5U9003GC145990 Includes: used ring gear and pinion. Massive selection from top brands on eBay. Another thing is the yamaha QT50 ring and pinion gear. 95US $299. In this video I service the driveshaft and change the final drive bearings, I greased all the pinion and driveshaft however didn't change the pinion bearings Find many great new & used options and get the best deals for 1984 Yamaha QT50 Yamahopper Rear Differential Ring Gear, Drive Pinion at the best online prices at eBay! Free shipping for many products! Oct 2, 2024 · Another method is to use the Yamaha QT50 ring and pinion gear, which provides more bottom end while limiting top-end speed. It Read moreabout the seller notes “1979-87 QT50 gear set #132. Condition is used. QT50 motorcycle pdf manual download. Reinstalled the oem thin washer between the gear and the bearing. yhsp ndwrp vdbkq oki lmct kcuejrlkt huy dobh yhih zxipnml