JT Sprockets

Online Catalogue

Yamaha TDM850 (3VD)

1991 to 1995

Front Sprocket

Part Number: JTF520

Teeth: 16

Available Sizes: 14, 15, 16, 17

Available as JTF520RB Rubber Cushioned - Direct OEM Replacement

Rear Sprocket

Part Number: JTR867

Teeth: 44

Available Sizes: 42, 43, 44

Drive Chain

Pitch: 525

Length: 114

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

Full Gear Ratio Chart (pdf)

Teeth14151617
423.002.802.622.47
433.072.872.692.53
443.142.932.752.59