JT Sprockets

Online Catalogue

Yamaha TX500/TX 500 A — USA

1973 to 1974

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF513RB

Teeth: 17

Available Sizes: 15, 16, 17, 18

Steel Front Sprocket

Part Number: JTF513

Teeth: 17

Available Sizes: 13, 14, 15, 16, 17, 18

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR850

Teeth: 43 Check Availability

Available Sizes: 31, 32, 33, 34

Drive Chain

Pitch: 530

Length: 108

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
131415161718
Rear Sprocket433.31
+30.8%
3.07
+21.4%
2.87
+13.3%
2.69
+6.2%
2.53
standard
2.39
-5.6%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)