Online Catalogue

Yamaha XT600 H

1987 to 1989

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF577RB

Teeth: 15

Available Sizes: 15

Steel Front Sprocket

Part Number: JTF577

Teeth: 15

Available Sizes: 14, 15, 16

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR857

Teeth: 39

Available Sizes: 39, 40, 41, 42, 43, 45, 46, 47

Drive Chain

Pitch: 520

Length: 104

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

Teeth		Front Sprocket
Teeth		14	15	16
Rear Sprocket	39	2.79 +7.1%	2.60 standard	2.44 -6.2%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)