YAMAHA STD PISTON KIT | OEM 6R5-11631-11K | 100A/AETO (1996-01) 115B (2000-02) 115CEO/CETO/TLR/TXRZ (1999} | RECMARThe STD Piston Kit by RECMAR is the perfect replacement part for your Yamaha engine. Designed to OEM specifications, this piston kit (part number 6R5 11631 11K) ensures a precise fit and optimal performance. Crafted with high quality materials, it guarantees durability and longevity, allowing your engine to run smoothly for years to come. Whether you're a professional mechanic or a DIY enthusiast, this piston kit is easy to install, saving you time