Online Catalogue

Honda CB900 F,F2-A,B,C,D

1979 to 1984

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF339RB

Teeth: 17

Available Sizes: 16, 17, 18

Steel Front Sprocket

Part Number: JTF339

Teeth: 17

Available Sizes: 15, 16, 17, 18

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR1334

Teeth: 44

Available Sizes: 34, 36, 39, 40, 41, 42, 43, 44, 45, 46, 47

Drive Chain

Pitch: 530

Length: 106

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		15	16	17	18
Rear Sprocket	44	2.93 +13.3%	2.75 +6.2%	2.59 standard	2.44 -5.6%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)