Wiseco PK1086 Top End Kit - 1.00mm Oversize to 73.00mm

Bore: 73.00mm
Sizing: 1.00mm Oversize

SPECIFICATIONS.
Displacement: 249cc.
Bore - Standard: 72.00mm.
Bore - Actual: 73.00mm.
Bore - Oversize: 1.00mm.
Stroke: 60.00mm.
ITEM CONTENTS.
2874CD - 73.00 mm Ring Set.
536M07300 - Polaris 250 Trailboss/Scrmblr/Blzr85-05.
B1014 - Top End Bearing 18 x 23 x 21.8mm.
CW18 - ROUND WIRE PIN LOCKS 18MM (PAIR).
S459 - PistonPin 18mm x 1.850in. NonChromed TW.
W5326 - TopEndGsktKit Polaris ATV 250 Trailboss.

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:

1985-1986 Polaris Scrambler 250
1990-2006 Polaris Trail Blazer 250
1987-1993 Polaris Trail Boss 250 4x4