JT Sprockets

Online Catalogue

Yamaha TZR250 RC (3MA-1) — Japan

1989

Front Sprocket

Part Number: JTF565SC

Teeth: 14

Available Sizes: 12, 13, 14

JTF565SC is a Lightweight front sprocket with self-cleaning grooves

Rear Sprocket

Part Number: JTR846

Teeth: 43

Available Sizes: 37, 39, 40, 41, 43, 45

Drive Chain

Pitch: 520

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

Full Gear Ratio Chart (pdf)

Teeth121314
373.082.852.64
393.253.002.79
403.333.082.86
413.423.152.93
433.583.313.07
453.753.463.21