Wiseco PK1240 Top End Kit - Standard Bore 78.00mm, 13.5:1 High Compression

Bore: 78.00mm
Compression: 13.5:1 High Compression
Sizing: Standard Bore

SPECIFICATIONS.
Displacement: 249cc.
Bore - Standard: 78.00mm.
Bore - Actual: 78.00mm.
Bore - Oversize: STD.
Stroke: 52.2mm.
Cylinders: 1.
Compression Ratio - Actual: 13.5:1.
Skirt Coating: ArmorGlide.
ITEM CONTENTS.
4852M07800 - Hon CRF250R 04-07/250X 04-17 +.5 CR.
7800YB - 78.00 mm Ring Set .9mm X 1.5mm.
CW16 - ROUND WIRE PIN LOCKS 16MM (PAIR).
S686 - PistonPin 16 x 41.5mm NonChromed SW.
W6239 - TopEnd Gskt Kit Honda CRF250R/X 78mm.

Contains all the necessary components for overboring or rebuilding your top end. Feature forged pistons, rings, wrist pins, circlips and top end gasket set.

Vehicle Fitment:

2004-2007 Honda CRF250R
2004-2009 Honda CRF250X
2012-2013 Honda CRF250X
2015-2017 Honda CRF250X