Wiseco PWR141-101 Engine Rebuild Kit - 77.00mm Bore

SPECIFICATIONS.
Complete Kit: Crankshaft, Top End, Gaskets, Seals, Main Bearings.
Bore - Standard: 77.0mm.
Bore - Actual: 77.0mm.
Bore - Oversize: STD.
Compression Ratio - Actual: 12.5:1 CR.
Engine Type: Cam Chain Included.
Additional Info.: Hour Meter Included.
ITEM CONTENTS.
4882M07700 - Yamaha YZ/WR250F 05-11 12.5:1 CR 7700XU.
7700XU - 77.00 mm Ring Set .9 X .8 X 1.5mm.
B5036 - Main Bearing 30 x 64 x 16mm.
CC007 - Camchain YZ250F/WR250F/KX250F/RM-Z250.
Crankshaft.
CW16 - ROUND WIRE PIN LOCKS 16MM (PAIR).
Ring - Set.
S742 - PistonPin 16 x 41.91mm NonChromed SW.
W5921 - TopEnd Gskt Kit Yamaha YZ/WR250F 01-13.
W8062 - Wiseco Hour/Tach Meter Universal Mount.
W8063 - Wiseco Hour Meter.
WB1039 - Bottom End Gasket Kit WR250F 03-13.

Complete engine rebuild. Crankshaft assembly. OEM quality main bearings. All engine gaskets, seals, and o-rings. Wiseco ProLite 2-stroke piston and top end bearing. Wiseco standard series 4-stroke piston. Cam chain included (if needed). Wiseco hour meter and bracket included. Bottom end and top end components. Engineered to meet or exceed OEM quality. Reliable OEM sealing. Instant throttle response. Premium quality for smooth operation. Proven performance and reliability. Exact fit and long lasting. Track your engine and critical service intervals.

Vehicle Fitment:

2005-2009 Yamaha WR250F
2011-2013 Yamaha WR250F