This kit makes doing a fresh & big bore top end easy for your ES or SX. All the parts are quality!
The power makes such a huge difference. You’ll love it!
BOLT ON READY!!
333cc Big Bore Kit for the Honda 250es Big Red & 250SX, trx 250 2 valve engine. This is a complete bolt on kit that includes:
New piston with rings, pin and clips, new custom sleeve installed into a fresh cylinder, and all appropriate gaskets
Pump Gas friendly 11:1 or Race Fuel 12:1
*Core Charge* There is a $65 core charge on your stock cylinder. You may ship it in when you order, or you have 30 days from the day you recieve your kit to return for a full $65 refund