JT Sprockets

Online Catalogue

Yamaha YZ100 C,D

Off Road

1976 to 1977
Front Sprocket
Part No.Teeth
JTF42212
Available Sizes
12, 13, 14, 15
Rear Sprocket
Part No.Teeth
JTR84540
Available Sizes
40, 41, 43, 45, 46, 47, 48, 49
Chain
PitchLength
52098

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)

Teeth12131415
403.333.082.862.67
413.423.152.932.73
433.583.313.072.87
453.753.463.213.00
463.833.543.293.07
473.923.623.363.13
484.003.693.433.20
494.083.773.503.27