FITS ALL YAMAHA YFZ450R///X FI MODELS AND YEARS – DOES NOT FIT CARB MODEL

• Complete gasket and seal kit
• 98mm MLS head gasket
• Valve stem seals
• Complete crankcase oil seal kit
• Water pump mechanical seal
• Works with all 98mm cylinders

Please check your order thoroughly when you receive it and contact us if you have any issues at all. If you are not 100% happy with what you receive you are welcome to return it for a full refund, not questions asked! Thanks!!

*We recommend that this be installed by a qualified mechanic with experience doing this type of work. Piston comes with specific instructions for setting the ring gap. Failure to follow these will result in engine failure. Warranty does not cover any failure that is a result of improper installation, improper break in, improper tuning, or misuse. For any warranty to be considered the part(s) in questions must first be sent to us for inspection. We can not warranty anything based on phone calls or photos alone.