
JE PISTONS – Manufacturer Ref: JE-274209S
Pro Series piston kit specially machined for quad applications. This forged piston features internal and external reinforcements as well as forged embossments to limit mass while maintaining the necessary robustness for engine constraints. The manufacturing processes include internal machining of spacers, a dedicated accumulator groove, and a forged lateral relief for optimised geometry straight from the factory.
Designed for quad cylinders, this kit is aimed at riders looking for a quality replacement part with a focus on weight reduction and dimensional reliability. Check compatibility with your model before ordering: common references—YAMAHA YFZ 450 R (2016–2017), YAMAHA YFZ 450 (2014).