Will Honda trx300 fw fourtrax piston ring fit a trx 300 ex?

No, the piston rings from a Honda TRX300 FW FourTrax will not fit a TRX 300 EX. While both models share the same engine displacement, they have different engine configurations and specifications. It's essential to use parts specifically designed for each model to ensure proper fit and performance. Always consult a parts manual or a professional mechanic for accurate compatibility.