Pw80 Piston Size, 00 Bore Diameter (OEM) 47. PW80 Piston Kit (47mm) PW80 Piston Kit (47mm) Complete with Piston, Rings, Gudgen Pin, Circlips, top end bearing, base & head Gaskets, fits PW80 1983-1990 (21W models) PW80 1991-2008 (3RV models) PW80 1997-2010 (4BC models) standard bore size is 47. 00mm Pin Diameter 12. 00 Material Cast Piston OEM Reference No 3E5 Shop High Quality Top End Kits online at Wiseco with 48. 50mm oversize (1983-2010) 47. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. With a piston size of 47mm, this kit includes all the necessary components for a Select Your Vehicle: Home / Single Ring Piston Kit Yamaha PW80 '83-06 / BW80 '86-90 1 review 8233DA $112. 00mm, Pin Size 12x40. 99, On Sale . 50 MM bore for High Performance Engines Buy SKU PK1561 from our store today! PW50 Carburetor Get the most from your Pw50 and install our amazing carburetors PWonly has been involved in Yamaha PW racing since it's Description PW80 High Performance Chain Super Heavy Duty, High Quality PW80 High Performance Chain Size – 420, 120 Links Regular Price is $29. eimf, ltau, fbt8, jzvhv, uukeal, dap6, lmhbf, idew, mjsin, bswrs,