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MX Kawasaki KX250 piston Click to zoom

Kit includes: Piston, rings (Riken/NP), circlips, and gudgeon pin

Kawasaki

KX250

'05-'11
Mitaka part number: 91.4325
In Stock
From
£57.89 exc. VAT

Specifications

Dimensions

Bore Size 66.40mm
Crown Height 28.25mm
Overall Length
Dome Height 3.25mm
G.P. Diameter 18.00mm
Port Y/N Y
Ring Peg Position 13.50mm
Cutout Height 8.50
Notes OA length is offset - 72.00 / 74.50

Measurement Reference

Piston measurement diagram - side view Piston measurement diagram - top view

Stock & Pricing

Part # Type Stock Price
91.4325.A Standard (Grade A) 58 £57.89
91.4325.B Standard (Grade B) 100 £57.89
91.4325.C Standard (Grade C) 100 £57.89
91.4325.D Standard (Grade D) 80 £57.89
91.4325.05 0.50MM OVERSIZE 81 £57.89
91.4325.10 1.00MM OVERSIZE 81 £57.89
Last updated: 2026-09-13 08:40:06