Wiseco standard / stock 79.00mm bore piston kit. 12.5:1 Compression ratio. Includes piston, set of rings, pin, pair of c-clips.
ITEM FITS:
2005-2015 Yamaha 973cc 3-Cylinder drop-in 79mm
2006-2007 Yamaha Nytro
2005-2007 Yamaha RS Rage
2005-2008 Yamaha RS Vector, Vector Mountain
2005-2015 Yamaha RS Venture
2005-2009 Yamaha VK Professional
12.5:1 Comp. Ratio
(1) 4893M07900