Raptor 660 102mm Big Bore Kit Stage 3 Hotcam 686cc NIKASIL CYLINDER +2mm Top End
FITS ALL YAMAHA RAPTOR 660 MODELS AND YEARS
BPRATV 102mm +2mm Big Bore Cylinder with Nickel / Carbide (Nikasil Plated) Plating
Wiseco, JE, CP, or Wossner forged piston kit (includes piston rings, wristpin, and circlips)
Stage 3 Hot Cams Camshaft
Cometic Top end gasket kit
MLS head gasket
Heavy duty replacement timing chain
Cylinder Bolts / Cylinder Head Stud Kit
The Nikasil plating on this big bore cylinder kit delivers unparalleled performance and longevity. The ultra-smooth, low-friction surface allows your Yamaha YFM660 to run more efficiently, with less heat buildup for improved reliability. And because the Nikasil can be re-plated over and over, you'll enjoy the benefits of this top end upgrade for years to come without the need for costly cylinder work.
