The Yamaha Pistons with a 43.00mm standard size and AS3 rings are designed for street motorcycles, specifically 2-stroke engines. Made from aluminium alloy, these pistons have a classic part status and are an OEM product from Yamaha, with a cylinder bore diameter of 43mm and a pin diameter of 12mm. Manufactured in Japan, these pistons are a reliable and high-quality choice for motorcycle enthusiasts looking to replace or upgrade their engine parts. The included piston rings ensure a proper seal and improved performance . One piston and rings has slight atmospheric tarnish but will not effect performance, only cosmetic. Items located piston box
