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YFZ450 YFZ 450 Big Bore Stroker Webcams +1 Valves Complete 500cc Rebuild Kit

$2,199.99

Compatible Vehicles
Submodel Year Make Model
-- 2013 Yamaha YFZ450
-- 2012 Yamaha YFZ450
-- 2009 Yamaha YFZ450
-- 2008 Yamaha YFZ450
-- 2007 Yamaha YFZ450
-- 2006 Yamaha YFZ450
-- 2005 Yamaha YFZ450
-- 2004 Yamaha YFZ450
Limited Edition 2004 Yamaha YFZ450LE
Special Edition 2007 Yamaha YFZ450SE
Special Edition 2006 Yamaha YFZ450SE
Special Edition 2005 Yamaha YFZ450SE
Special Edition II 2007 Yamaha YFZ450SE2
Special Edition 2008 Yamaha YFZ450SP
Special Edition II 2008 Yamaha YFZ450SP2
Bill Balance Edition 2007 Yamaha YFZ450V
Bill Balance Edition 2006 Yamaha YFZ450V
Custom Graphics 2013 Yamaha YFZ450W
Custom Graphics 2012 Yamaha YFZ450W
FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARS!  DOES NOT FIT YFZ450R!

COMPLETE BIG BORE STROKER WITH ALL THE GOODIES
  • 98mm BP Racing big bore cylinder
  • Hotrods 3mm stroker crank with rod
  • Wiseco CP or JE forged piston**
  • Hi temp piston rings
  • Wristpin
  • Circlips
  • Head stud kit
  • Webcams #943 grind camshaft set
  • Kibblewhite valve spring kit
  • Kibblewhite +1mm stainless intake and exhaust valves
  • Valve stem seals
  • Crank bearings
  • Transmission bearings
  • Water pump bearings
  • Shift cam bearing
  • Complete gasket kit
  • Seal kit
  • Water pump mechanical seal
  • Clutch kit
  • Cam chain

This is a bolt on kit with no machining required.  Piston uses pump or race gas.  Everything is new in the original packaging and the original manufacturers warranty applies*.

Please check your order thoroughly when receiving it.  If for any reason at all you are not 100% happy please contact us right away so we can help resolve the issue.  If for any reason at all you are not happy with your order you are welcome to return it UNOPENED NEVER INSTALLED COMPLETE (NOTHING MISSING) AND BRAND NEW IN THE ORIGINAL PACKAGING for a FULL REFUND! *If we receive your order back incomplete, packaging ripped open and/or parts missing we will have to deduct our loss from your refund.

*We recommend that this kit be installed by a qualified mechanic with experience working on these types of motors.  Warranty does not include any failure that is a result of improper installation, improper tuning, improper break in, or misuse.  Piston comes with specific instructions for setting the ring gap.  If you do not follow these exactly your motor will fail.  For any warranty to be considered the part(s) in question must first be sent to us and possibly the manufacturer for inspection.  We can not warranty parts based on photos or phone calls alone.