Online Catalogue

Ducati 851 SP

1988 to 1989

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF736RB

Teeth: 15

Available Sizes: 15

Steel Front Sprocket

Part Number: JTF736

Teeth: 15

Available Sizes: 13, 14, 15, 16

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR491

Teeth: 38 Check Availability

Available Sizes:

Drive Chain

Pitch: 520

Length: 98

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		13	14	15	16
Rear Sprocket	38	2.92 +15.4%	2.71 +7.1%	2.53 standard	2.38 -6.2%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)