JT Sprockets

Online Catalogue

Yamaha RX50 M K,L Midnight Special — USA

1983 to 1984

Front Sprocket

Steel Front Sprocket

Part Number: JTF563

Teeth: 12

Available Sizes: 11, 12, 13, 14, 15, 16, 17

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR832

Teeth: 47 Check Availability

Available Sizes: 30, 32, 37, 38, 39, 40, 41, 42, 44, 45, 46, 48, 49, 50, 51, 52

Drive Chain

Pitch: 420

Length: 110

Please note that the chain shown in this listing is for size reference only. For the correct chain type and grade, please refer to the vehicle's manufacturer manual.

Gear Ratio Chart

TeethFront Sprocket
12
Rear Sprocket473.92
standard

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)