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06+ TRX450R TRX 450R Oil Pump Rebuild Motor Rebuild Clutch Big Bore Stroker 510c


Compatible Vehicles
Submodel Year Make Model
Electric Start 2014 Honda TRX450ER
Electric Start 2013 Honda TRX450ER
Electric Start 2012 Honda TRX450ER
Electric Start 2011 Honda TRX450ER
Electric Start 2009 Honda TRX450ER
Electric Start 2008 Honda TRX450ER
Electric Start 2007 Honda TRX450ER
Electric Start 2006 Honda TRX450ER
Kick Start 2012 Honda TRX450R
Kick Start 2009 Honda TRX450R
Kick Start 2008 Honda TRX450R
Kick Start 2007 Honda TRX450R
Kick Start 2006 Honda TRX450R


  • This kit includes:
  • 99mm NEW DESIGN big bore cylinder
  • Hotrods stroker crank with rod
  • 13.5:1 JE or CP forged piston
  • Hi temp piston rings
  • DLC chrome wristpin
  • Circlips 
  • Water pump rebuild
  • Oil pump shaft and rotors
  • Clutch kit (fibers, steels, springs)
  • Heavy duty main bearings
  • Complete gasket kit
  • Complete seal kit
  • Cam chain

No modification of any kind is required to use this kit.  Piston uses pump or race gas.  Everything is new in the original packaging and the original manufacturer's warranty applies*

Please check your order thoroughly when you receive it and contact us if you have any issues at all.    Thanks!!

*We ALWAYS STRONGLY recommend that this be installed by a qualified mechanic with experience doing this type of work.  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.