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Motorbike parts and tools

Engine parts & cables

Upper engine

Piston kit Prox Full cast size A

Prox Full cast size A Piston kitRef : 252017DA / 1093947001

Name: Full cast size A
Brand: Prox
Price: 88.2 EUR
Availability: InStock

Recommended retail price:98,00 €?

88,20 €

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Description
Compatible motorbikes
Questions and answers

DescriptionProx Full cast size A Piston kit

Product details :

Features

PROX Cast Piston — designed for 2-stroke motocross engines, this PROX piston is cast from a specific aluminium alloy to reduce friction and enhance the longevity of moving parts. Its design adheres to original specifications while incorporating targeted machining for the intake.

Compression: Standard
Diameter: Ø 48.45 mm (oversize letter: A)
Material: Aluminium, cast piston
Specifications: domed head, machining for reed valve, machined intake passage

This piston is aimed at riders and mechanics looking for a robust replacement part for 85 cm3 motocross engines. The domed head and dedicated machining facilitate adaptation to reed valve configurations, while the oversize A allows for refurbishment during a corresponding re-boring.

Main compatibilities (examples): KAWASAKI KX 85 II (2026), KAWASAKI KX 85 I (2026), KAWASAKI KX 85 STD WHEELS 17/14 (KX85C) (2021).

Manufacturer reference: 01.4124.A

Technical information :

Reference

252017DA / 1093947001

Piston type

Cast

Coast

Dimensions

48.45 mm

Use

All-terrain