Wiseco PK1227 Top End Kit - 1.50mm Oversize to 49.00mm, 9.7:1 Compression

Bore: 49.00mm
Compression: 9.7:1 Compression
Sizing: 1.50mm Oversize

SPECIFICATIONS.
Displacement: 85cc.
Bore - Standard: 47.5mm.
Bore - Actual: 49.00mm.
Bore - Oversize: 1.50mm.
Stroke: 45.00mm.
Compression Ratio - Actual: 9.7:1.
Note: Cylinder boring required.
ITEM CONTENTS.
1929XE - 49.00 mm Ring Set.
4665M04900 - Honda XR80 79-03 CRF80F 04-13 9.7:1 CR.
CW13 - ROUND WIRE PIN LOCKS 13MM (PAIR).
S592 - PistonPin 13mm x 1.535in. NonChromed SW.
W5748 - TopEnd Gskt Kit Honda XR80/CRF80F 92-13.

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:

2004-2009 Honda CRF80F
2011-2013 Honda CRF80F
1992-2003 Honda XR80R