Online Catalogue

Yamaha FJ1200 S,T,CS,CT — USA

1986 to 1987

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF579RB

Teeth: 17

Available Sizes: 16, 17, 18

Steel Front Sprocket

Part Number: JTF579

Teeth: 17

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

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR859

Teeth: 41

Available Sizes: 38, 39, 40, 41, 42, 43, 46, 47, 48, 49

Drive Chain

Pitch: 530

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

Teeth		Front Sprocket
Teeth		14	15	16	17	18
Rear Sprocket	41	2.93 +21.4%	2.73 +13.3%	2.56 +6.2%	2.41 standard	2.28 -5.6%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)