Weisco Piston Big Bore kit for Yamaha Sr500 motor oil see chart for lengths

see chart for lengths

each muffler is slowly

Made from high-quality

Tail tidy has indicator brackets integrated - if you prefer to mount the indicators in some other position these can be chopped off fairly easily as its aluminum

Fits stock air box

Weisco Piston Big Bore kit for Yamaha Sr500 motor oil see chart for lengthsFeatures Pistons come without gasket kit Specs Product Name: Piston Piston Material: Aluminum Alloy Forged Bore Size: 90 mm 90,00 mm Piston Size: +3,00 mm +3. 00 mm Displacement: 499 cc Stroke Length: 84. 00 mm 84,00 mm Compression Ratio: 9,0: 1 9. 0: 1 Engine Type: 4 Stroke Units: Each Fitments: 1976 1981 Yamaha XT 500 1977 1981 Yamaha SR 500 Ships in 4 5 days