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Raptor 660 102m 686 Big Bore Cylinder Kit Complete Motor Engine Rebuild Redo Kit

$1,099.99

Compatible Vehicles
Submodel Year Make Model
YFM660R 2005 Yamaha Raptor 660R
YFM660RSE Special Edition 2005 Yamaha Raptor 660R
YFM660R 2004 Yamaha Raptor 660R
YFM660R Limited Edition 2004 Yamaha Raptor 660R
YFM660R 2003 Yamaha Raptor 660R
YFM660R 2002 Yamaha Raptor 660R
YFM660R Limited Edition 2002 Yamaha Raptor 660R
YFM660R 2001 Yamaha Raptor 660R

FITS ALL YAMAHA RAPTOR 660 MODELS AND YEARS


  • NEW 102mm big bore cylinder
  • Wiseco JE or CP forged piston**
  • Hi temp piston rings
  • Wristpin
  • Circlips
  • Hotrods or Wiseco HD crank with rod assembled**
  • HD crank bearings (one comes installed on crank)
  • Water pump mechanical seal and bearing
  • Transmission bearings
  • Shift cam bearing
  • Clutch kit
  • Complete gasket kit
  • Complete seal kit
  • Cam chain
  • Stud kit

This is a bolt on kit, ready to drop in with no machining required.  Piston uses pump or race gas.  Everything is new in the original packaging and the original manufacturer's warranty applies*.  

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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, BRAND NEW, AND COMPLETE IN THE ORIGINAL PACKAGING for a FULL REFUND, NO QUESTIONS ASKED!

*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.