PROX YAMAHA YZF 426 (YZ426F) 00-02 (94.97MM) (12.5:1)

PROX YAMAHA YZF 250 (YZ250F) 16-18, YZF 250 FX (YZ250F) 17-18 (76.95MM) (13.5:1) (OEM:1SM-11631-10)

PROX YAMAHA YFM 660 (YFM660) R RAPTOR '01-'05, GRIZLY/RHINO '02-'08 (100,00MM)-NOMINAL

PROX YAMAHA YZF 250 (YZ250F) 16-18, YZF 250 FX (YZ250F) 17-18 (76.96MM) (13.5:1) (OEM:1SM-11631-10)

PROX YAMAHA YFM 700 (YFM700) R RAPTOR '06-'14, YFM 700 F GRIZLY '07-'13 (REPLICA 101.95MM) (OEM:1S3-11631-0)

PROX YAMAHA YZF 250 (YZ250F) '14-'15 WRF 250 (WR250F) 15 (76.96MM) (13.5:1=STD) (OEM:1SM-11631-0)

VERTEX MOTOR ENGINE ENGINE HONDA CRF 250R 16-17 (TOP-END STRENGTH OF 24119C, REGULATION CHANNEL) (CRF250R)