Sprocket Rear RK-B4491-38 JTR1857 Afam 12407

Rear Sprocket. Made from C45 High Carbon steel. The sprocket teeth are heat treated (induction hardening), increasing the wear resistance and surface hardness.

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Made from C45 High Carbon steel. The sprocket teeth are heat treated (induction hardening), increasing the wear resistance and surface hardness.

Manufacturer Part No. (MPN): B4491-38
Barcode: 9555387609168

Colour:	Self
Centre:	1857
Material:	Steel
Position:	Rear
Teeth:	38

Fitment Summary
Compatible with 128 models (yearly).

• Yamaha: YFM 250R, YFM 250 RSPX, YFM 350R, YFM 700 D Grizzly, YFM 700 F Grizzly, YFM 700 F Grizzly Ducks, YFM 700 Grizzly, YFM 700 Grizzly 4x4, YFM 700 Grizzly 4x4 EPS SE, YFM 700 Grizzly EPS, YFM 700 Grizzly EPS SE, YFM 700 Grizzly Fi Auto 4x4, YFM 700 Grizzly Fi Auto 4x4 EPS, YFM 700 Grizzly Fi Auto 4x4 EPS SE, YFM 700 Kodiak, YFM 700 Kodiak EPS, YFM 700 Kodiak EPS SE, YFM 700 R Raptor, YFM 700 R Raptor SE, YFZ 450F, YFZ 450FE, YFZ 450FF, YFZ 450FK, YFZ 450FX, YFZ 450R, YFZ 450RB, YFZ 450RD, YFZ 450RE, YFZ 450RF, YFZ 450RG, YFZ 450RH, YFZ 450RJ, YFZ 450RK, YFZ 450RL, YFZ 450RM, YFZ 450SE, YFZ 450X