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Upper engine

Piston kit Wiseco 2 Strokes Pro-Lite Series Forged

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Wiseco 2 Strokes Pro-Lite Series Forged Piston kit Ref : WI00109A / 1122551002

Wiseco 2 Strokes Pro-Lite Series Forged Piston kit

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Wiseco 2 Strokes Pro-Lite Series Forged Piston kitRef : WI00109A / 1122551002

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Description
Compatible motorbikes
Questions and answers

DescriptionWiseco 2 Strokes Pro-Lite Series Forged Piston kit

Product details :

Features

WISECO Pro-Lite Series 2T Forged Piston Kit (manufacturer part number W899M05400B): a piston designed for 2T engine displacements in motocross use. Forged from aluminum and precision machined in the USA, this kit features precise bore dimensions for engine rebuilding or oversized preparation.

Piston Diameter: Ø 53.940 mm (designated Ø 53.95 mm)
Oversize: +0.01 (letter B)
Piston Compression: Standard
Material: Forged aluminum, high precision machining

The WISECO Pro-Lite 2T series is manufactured in the Mentor (Ohio) facility using modern tooling. This kit meets the tight tolerances required for bore adjustments and allows for the recommended clearances during reassembly. Ideal for interventions on motocross engines where dimensional stability is essential.

Main compatibilities:

YAMAHA YZ 125 (2026 - 125 cm3)
FANTIC XX 125 (2026 - 125 cm3)
FANTIC XE 125 (2024 - 125 cm3)

Manufacturer reference: W899M05400B. Always check the bore and manufacturer recommendations before installation and replace the rings and pins as needed to ensure engine sealing and longevity.

Technical information :

Reference

WI00109A / 1122551002

Oversize

+0,01

Diameter Ø (mm)

53,95

Engine

Piston diameter

Ø 53,940 mm

Material

Aluminum