Vertex Complete Engine Rebuild Kit - WR00003
Complete engine rebuild kit: Includes crankshaft, piston kit, complete engine gasket kit with oil seals, main bearings and seals, water pump rebuild kit, transmission bearings, countershaft bushing/seal kit, wrist pin bearing, cam chain and counter balancer bearings when applicable. The most comprehensive and complete engine kit available 

Included Items:
(1) Crankshaft assembly
(1) Needle bearing
(1) Piston
(1) Top ring
(2) Cir clips
(1) Piston pin
(5) Engine oil seals (assorted sizes)
(2) 17x40x12 Bearings
(1) 17x35x7 Seal
(1) 17x24x7 Seal
(2) Water pump bearings 10x19x5
(1) Water pump seal
(1) Water pump cover gasket
(2) Ball bearings 15x35x11
(1) Retaining ring
(5) O-rings (assorted sizes)
(1) Exhaust gasket
(1) Clutch cover gasket
(1) Engine case gasket
(1) Intake valve gasket
(2) Cylinder base gaskets
No instructions

Fits Models
50 SX (2006-2008); 50 SX PRO JR (2004-2005); 50 SX PRO SR (2004-2005)