
Wiseco
Wiseco PK1221 Top End Kit - 1.00mm Oversize to 74.00mm, 10.5:1 Compression
Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!
Bore: 74.00mm
Compression: 10.5:1 Compression
Sizing: 1.00mm Oversize
SPECIFICATIONS.
Displacement: 256cc.
Bore - Standard: 73.00mm.
Bore - Actual: 74.00mm.
Bore - Oversize: 1.00mm.
Stroke: 59.5mm.
Compression Ratio - Actual: 10.5:1.
Note: Cylinder boring required.
ITEM CONTENTS.
2913XC - 74.00 mm Ring Set.
4466M07400 - Honda XR250 86-04 10.5:1 CR 2913XC.
CW17 - ROUND WIRE PIN LOCKS 17MM (PAIR).
S533 - PistonPin 17mm x 2.061in. NonChromed TW.
W5424 - TopEnd Gasket Kit Honda XRL250 & XR250R.
Contains all the necessary components for overboring or rebuilding your top end. Feature forged pistons, rings, wrist pins, circlips and top end gasket set.
1988-2004 Honda XR250R
Bore: 74.00mm
Compression: 10.5:1 Compression
Sizing: 1.00mm Oversize
SPECIFICATIONS.
Displacement: 256cc.
Bore - Standard: 73.00mm.
Bore - Actual: 74.00mm.
Bore - Oversize: 1.00mm.
Stroke: 59.5mm.
Compression Ratio - Actual: 10.5:1.
Note: Cylinder boring required.
ITEM CONTENTS.
2913XC - 74.00 mm Ring Set.
4466M07400 - Honda XR250 86-04 10.5:1 CR 2913XC.
CW17 - ROUND WIRE PIN LOCKS 17MM (PAIR).
S533 - PistonPin 17mm x 2.061in. NonChromed TW.
W5424 - TopEnd Gasket Kit Honda XRL250 & XR250R.
Contains all the necessary components for overboring or rebuilding your top end. Feature forged pistons, rings, wrist pins, circlips and top end gasket set.
1988-2004 Honda XR250R
Please Note: Ships same business day to contiguous US if ordered by 12:15 PM Central Time!
Note: PK1221