JT Sprockets 37 Tooth Rear Sprocket JTR838.37
- Brand: JT Sprockets
- Position: Rear
- Tooth Count: 37
- JT Part Number: JTR838.37
- Type: Standard
- Material: Steel
- Fitment: Direct replacement for OEM sprocket (check bike fitment before ordering)
JT Sprockets are trusted worldwide for high-quality motorcycle drivetrain components. This sprocket is precision manufactured for accurate fitment, smooth power delivery, and long service life.
Made from durable materials and finished for corrosion resistance, it is designed as a direct replacement for the original sprocket. Suitable for standard replacement or gearing changes when selecting an alternative tooth count.
Please confirm your required tooth count and fitment details before ordering.
Sprocket Type Guide (JT Codes)
- Standard: JT’s standard sprocket design (best value everyday replacement)
- RB: Rubber damped sprocket for reduced noise and vibration
- SC: Self-cleaning design to help shed mud and debris (ideal for off-road use)
- ZBK: Black zinc finish for improved corrosion resistance and appearance
- Z: Zinc finish for corrosion resistance
JT sprockets are a popular choice for road, touring, and off-road riders thanks to their consistent fit and durability.
Before You Place Your Order...
- Note the image may not be exactly as item received and any slight difference will not be inferior or effect performance
- Check the fitment list to ensure this item will fit your vehicle
- When we refer to right or left, this is as you sit on your vehicle
- To find part by SKU, enter the number without "SKU" into the search box
- Products containing any fluid or hazardous materials, aerosols, batteries including large lithium jump starters cannot be shipped overseas due to courier restrictions although we can ship UK offshore and Scottish Highlands at higher shipping rates
- EU customers should check with your countries customs office to determine what additional costs such as tax or Import duties will be prior to purchasing. These charges are normally collected by the delivery company or when you pick the item up, they are not included in the item price or shipping charge on this website
All parts and accessories are brand new and include VAT where applicable.
Most parts are pattern or aftermarket although some will be genuine but are not always stated as being so.
The use of motorcycle manufacturers' names is for reference purposes only. We do not imply that the products we sell are made by or with the permission of the names listed.
Compatible Yamaha Motorcycles
- Yamaha DT100 1980
- Yamaha DT100 1981
- Yamaha DT100 1982
- Yamaha DT100 1983
- Yamaha DT100 1984
- Yamaha DT100 1985
- Yamaha RS125 (Drum Brakes) 1975
- Yamaha RS125 DX (Front Disc) 1976
- Yamaha RS125 DX (Front Disc) 1977
- Yamaha RS125 DX (Front Disc) 1978
- Yamaha RS125 DX (Front Disc) 1979
- Yamaha RS125 DX (Front Disc) 1980
- Yamaha RS125 DX (Front Disc) 1981
- Yamaha RS125 DX (Front Disc) 1982
- Yamaha RS125 DX (Front Disc) 1983
- Yamaha RS125 DX (Front Disc) 1984
- Yamaha RXS100 1995
- Yamaha RXS100 1996
- Yamaha RXS100 1997
- Yamaha RXS100 1998
Standard
- Yamaha RS100 (Drum Brakes) 1975 (Standard)
- Yamaha RS100 (Drum Brakes) 1976 (Standard)
- Yamaha RS100 (Drum Brakes) 1977 (Standard)
- Yamaha RS100 (Drum Brakes) 1978 (Standard)
- Yamaha RS100 (Drum Brakes) 1979 (Standard)
- Yamaha RS100 (Drum Brakes) 1980 (Standard)
- Yamaha RS100 (Drum Brakes) 1981 (Standard)
- Yamaha RS100 DX (Front Disc) 1977 (Standard)
- Yamaha RS100 DX (Front Disc) 1978 (Standard)
- Yamaha RS100 DX (Front Disc) 1979 (Standard)
- Yamaha RS100 DX (Front Disc) 1980 (Standard)
- Yamaha RXS100 1983 (Standard)
- Yamaha RXS100 1984 (Standard)
- Yamaha RXS100 1985 (Standard)
- Yamaha RXS100 1986 (Standard)
- Yamaha RXS100 1987 (Standard)
- Yamaha RXS100 1988 (Standard)
- Yamaha RXS100 1989 (Standard)
- Yamaha RXS100 1990 (Standard)
- Yamaha RXS100 1991 (Standard)
- Yamaha RXS100 1992 (Standard)
- Yamaha RXS100 1993 (Standard)
- Yamaha RXS100 1994 (Standard)
