Pistons for 4T engines

PROX HOT YAMAHA XT 600 (XT600) (84-04) TT 600 (TT600) (83-04) (+0.50MM=95.50MM) (OEM:34L-11631-02)

PROX HOT YAMAHA XT 600 (XT600) (84-04) TT 600 (TT600) (83-04) (+2.00MM=97MM) (OEM:34L-11631-02)

PROX HOT YAMAHA XT 600 (XT600) (84-04) TT 600 (TT600) (83-04) (95,00MM=NOMINAL) (OEM:34L-11631-02)

PROX HOT YAMAHA XT 600 (XT600) (84-04) TT 600 (TT600) (83-04) (95.25MM=+0.25MM) (OEM:34L-11631-02)

PROX HOT YAMAHA XT 600 (XT600) (84-04) TT 600 (TT600) (83-04) (95.75MM=+0.75MM) (OEM:34L-11631-02)

PROX HOT YAMAHA XT 600 (XT600) (84-04) TT 600 (TT600) (83-04) (96,00MM=+1,00MM) (OEM:34L-11631-02)

PROX HOT YAMAHA XT 600 (XT600) (84-04) TT 600 (TT600) (83-04) (96.50MM=+1.50MM) (OEM:34L-11631-02)

PROX YAMAHA YFM 350 (YFM350) WARRIOR/RAPTOR (87-13), WOLVERINE '95-'09, GRIZLY/BRUIN (83MM) (OEM:5UH-11631-00-C0)

PROX YAMAHA YFM 350 (YFM350) WARRIOR/RAPTOR (87-13), WOLVERINE '95-'09, GRIZLY/BRUIN (84MM=+1,00) (OEM:5UH-11631-00-C0)

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

PROX YAMAHA YFM 660 (YFM660) R RAPTOR '01-'05, GRIZLY/RHINO '02-'08 (100.50MM=+0.50MM)

PROX YAMAHA YFM 660 (YFM660) R RAPTOR '01-'05, GRIZLY/RHINO '02-'08 (101,00MM=+1,00MM)

PROX YAMAHA YFM 660 (YFM660) RAPTOR, GRIZLY`01-06, XTZ 660 (XTZ660)`91-99

PROX YAMAHA YFM 660 (YFM660) RAPTOR, GRIZLY`01-06, XTZ 660 (XTZ660)`91-99

PROX YAMAHA YFM 660 (YFM660) RAPTOR, GRIZLY`01-06, XTZ 660 (XTZ660)`91-99

PROX YAMAHA YFM 700 (YFM700) R RAPTOR '06-'14, YFM 700 F GRIZLY '07-'13 (REPLICA 101.94MM) (OEM:153-11631-0)

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

PROX YAMAHA YFM 700 (YFM700) R RAPTOR '06-'14, YFM 700 F GRIZLY '07-'13 (REPLICA 101.96MM)

PROX YAMAHA YFZ 450 (YFZ450) 04-13, YFZ 450 R (YFZ450) 09-20 (94.95MM) (12.0:1) (OEM:5TG-11631-00)

PROX YAMAHA YFZ 450 (YFZ450) 04-13, YFZ 450 R (YFZ450) 09-20 (94.96MM) (12.0:1) (OEM:5TG-11631-0)

PROX YAMAHA YFZ 450 (YFZ450) 04-13, YFZ 450 R (YFZ450) 09-20 (94.97MM) (12.0:1) (OEM:5TG-11631-0)

PROX YAMAHA YZF 250 (YZ250F) '12-'13 (76.95MM) (13.5:1=STD) (OEM:17D-11631-90)

PROX YAMAHA YZF 250 (YZ250F) '12-'13 (76.96MM) (13.5:1=STD) (OEM:17D-11631-90)

PROX YAMAHA YZF 250 (YZ250F) '12-'13 (76.97MM) (13.5:1=STD) (OEM:17D-11631-90)

PROX YAMAHA YZF 250 (YZ250F) '14-'15 WRF 250 (WR250F) 15 (76.95MM) (13.5:1=STD) (OEM:1SM-11631-0)

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

PROX YAMAHA YZF 250 (YZ250F) '14-'15 WRF 250 (WR250F) 15 (76.97MM) (13.5:1=STD) (OEM:1SM-11631-0)

PROX YAMAHA YZF 250 (YZ250F) '19 (76.96MM)

PROX YAMAHA YZF 250 (YZ250F) '19-'20 (76.97MM)

PROX YAMAHA YZF 250 (YZ250F) '19-'21 (76.95MM)

PROX YAMAHA YZF 250 (YZ250F) 01-07, WRF 250 (WR250F) 01'-13' (76.95MM, 12.5:1=STD) (OEM:5NL-11631-20)

PROX YAMAHA YZF 250 (YZ250F) 01-07, WRF 250 (WR250F) 01'-13' (76.97MM, 12.5:1=STD) (OEM:5NL-11631-20)

PROX YAMAHA YZF 250 (YZ250F) 01-07, WRF 250 (WR250F) 01-13 (76.96MM, 12.5:1=STD) (OEM:5NL-11631-20)

PROX YAMAHA YZF 250 (YZ250F) 08-11 (76.95MM, 13.5:1=STD)

PROX YAMAHA YZF 250 (YZ250F) 08-11 (76.96MM, 13.5:1=STD)

PROX YAMAHA YZF 250 (YZ250F) 08-11 (76.97MM, 13.5:1=STD)

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

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

PROX YAMAHA YZF 250 (YZ250F) 16-18, YZF 250 FX (YZ250F) 17-18 (76.97MM) (13.5:1) (OEM:1SM-11631-10)

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

PROX YAMAHA YZF 450 (YZ450F) '18 (96.95MM) (YZF450)

PROX YAMAHA YZF 450 (YZ450F) '18 (96.97MM)