Motorcycle Big Bore & Top End Kits for Yamaha YZ490
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Yamaha
YZ490
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1982 YAMAHA YZ490 Cylinder Jug 87.5 MM Bore (Fits: Yamaha YZ490)
Pre-Owned: Yamaha$389.00$24.41 shipping15 watchingYAMAHA YZ490 WR500 1984-1993 WISECO TOP END KIT PISTON 88 MM + TOP GASKET PK1819 (Fits: Yamaha YZ490)
+1mm Over to 88mm 546M08800 + GASKET + BEARINGBrand New: Wiseco$236.38or Best OfferOnly 1 left!YAMAHA YZ490 WR500 1984-1993 WISECO PISTON KIT 87mm + TOP END GASKET PK1817 (Fits: Yamaha YZ490)
STD BORE PISTON 87MMBrand New: Wiseco$236.38or Best Offer2 watchingYAMAHA YZ490 WR500 84-93 WISECO TOP END KIT PISTON 87.50 + TOP END GASKET PK1818 (Fits: Yamaha YZ490)
546M08750 + GASKET + BEARING READY TO SHIP!Brand New: Wiseco$236.38or Best OfferWiseco Yamaha YZ490 84-90/WR500 92-93 Piston Top End Kit 87mm Std. bore (Fits: Yamaha YZ490)
Brand New: Wiseco$236.38Free shippingOnly 1 left!YAMAHA YZ490 WR500 1984-1993 WISECO TOP END KIT PISTON 87 MM + TOP GASKET PK1817 (Fits: Yamaha YZ490)
546M08700 + GASKET + BEARING READY TO SHIP!Brand New: Wiseco$236.38or Best OfferWiseco Yamaha YZ490 YZ 490 Piston Top End Kit 89mm 2mm Overbore 1984-1990 (Fits: Yamaha YZ490)
Brand New: Wiseco$242.55Free shippingOnly 1 left!YAMAHA YZ490 WR500 84-93 WISECO TOP END KIT PISTON 87.50 + TOP END GASKET PK1818 (Fits: Yamaha YZ490)
Brand New: Wiseco$236.38or Best Offer3 watchingTusk Universal Big Bar Clamp Kit L35-489 (Fits: Yamaha YZ490)
Brand New: Tusk$39.64Estimated delivery dateEst. delivery Sat, May 25YAMAHA YZ490 WR500 84-93 WISECO TOP END KIT PISTON 88.50 + TOP END GASKET PK1820 (Fits: Yamaha YZ490)
546M08850 + GASKET + BEARING READY TO SHIP!Brand New: Wiseco$242.55or Best OfferPro X Crank Bearing and Seal Kit - 23.CBS23080 (Fits: Yamaha YZ490)
Brand New: Pro-X$55.16$7.99 shippingWiseco Yamaha YZ490 84-90/WR500 92-93 Piston Top End Kit 88mm 1mm overbore (Fits: Yamaha YZ490)
Brand New: Wiseco$236.38Free shippingOnly 1 left!New WISECO Top End Rebuild Kit For YAMAHA YZ490, WR500Z W-PK1819
Brand New: Wiseco$339.16$23.34 shippingNew WISECO Top End Rebuild Kit For YAMAHA WR500Z, YZ490 W-PK1821
Brand New: Wiseco$354.32$23.34 shippingNew WISECO Top End Rebuild Kit For YAMAHA WR500Z, YZ490 W-PK1818
Brand New: Wiseco$339.16$23.34 shippingWiseco Yamaha YZ490 84-90/WR500 92-93 Piston Top End Kit 88.5mm 1.5mm overbore (Fits: Yamaha YZ490)
Brand New: Wiseco$242.55Free shippingOnly 1 left!Wiseco Yamaha YZ490 84-90/WR500 92-93 Piston Top End Kit 87.5mm .50mm over bore (Fits: Yamaha YZ490)
Brand New: Wiseco$236.38Free shippingOnly 2 leftWISECO TOP END KIT YAMAHA YZ490 WR500 84-93 PISTON 89 MM + TOP END GASKET PK1821 (Fits: Yamaha YZ490)
Brand New: Wiseco$242.55or Best OfferWiseco PK1820 Top End Piston Kit 1.50mm Oversize to 88.50mm Fits WR500Z YZ490 (Fits: Yamaha YZ490)
Authorized Wiseco DealerBrand New: Wiseco(1)1 product ratings - Wiseco PK1820 Top End Piston Kit 1.50mm Oversize to 88.50mm Fits WR500Z YZ490$242.55Was: $311.04Free shippingNew WISECO Top End Rebuild Kit For YAMAHA WR500Z, YZ490 W-PK1817
Brand New: Wiseco$339.16$23.34 shipping