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MX Kawasaki KX250 piston Click to zoom

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

Kawasaki

KX250

'87-'89
Mitaka part number: 91.4305
In Stock
From
£57.89 exc. VAT

Specifications

Dimensions

Bore Size 67.40mm
Crown Height 28.25mm
Overall Length 73.50mm
Dome Height 4.00mm
G.P. Diameter 18.00mm
Port Y/N Y
Ring Peg Position 17.00mm
Cutout Height 11.00

Measurement Reference

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

Stock & Pricing

Part # Type Stock Price
91.4305.A Standard (Grade A) 100 £57.89
91.4305.B Standard (Grade B) 100 £57.89
91.4305.C Standard (Grade C) 100 £57.89
91.4305.D Standard (Grade D) 52 £57.89
91.4305.05 0.50MM OVERSIZE 58 £57.89
91.4305.10 1.00MM OVERSIZE 75 £57.89
Last updated: 2026-09-13 09:40:06