Wiseco 02-04 Yamaha YZ125 ProLite 2126CST Piston Kit

SKU: WIS797M05400

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports...

Wiseco

Wiseco 02-04 Yamaha YZ125 ProLite 2126CST Piston Kit

SKU: WIS797M05400

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports...

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Description

Wiseco's Pro-Lite is the forged 2-stroke piston that started it all! Wiseco Pro-Lite forged 2-stroke pistons are the result of decades of experience, incorporating the latest in 2-stroke piston manufacturing and design in a part built for all-purpose 2-stroke riding. Designed to offer great value, great reliability, and great performance, Pro-Lite is the staple of 2-stoke pistons!

Product Overview

Wiseco 54.00MM 797 YAM PISTON WIESCO

Product Details

Description:	Wiseco 54.00MM 797 YAM PISTON WIESCO
Part Number:	wis797M05400

Part Type

Engine Piston

Data: v4.2 - Upd: 2026-10-13 16:58:59

Features

Dedicated forging design for strength-to-weight optimization
Designed for all-purpose 2-stroke riding
Engineered, forged, and machined in the USA in Mentor, OH
Extra lightening operations for enhanced throttle response
Great value for reliable fun factor
High-quality ring(s), wrist pin(s), and circlips included
Refreshed performance from the track to the trail

Specifications

Product Attributes - Brand: Wiseco
Product Attributes - Manufacturer's Part Number: 797M05400
Product Attributes - Part Type: Powersports Piston and Ring Kits
Product Attributes - Product Line: Wiseco Powersports Pro-Lite Piston Kits
Product Attributes - UPC: 00193564136909
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Bore (mm): 54.000mm
Product Attributes - Stroke: 54.50mm
Product Attributes - Wrist Pin Style: Floating
Product Attributes - Wrist Pin Retainers Included: Yes
Product Attributes - Top Ring Material: Steel
Product Attributes - Top Ring Facing Material: Gas nitrided
Product Attributes - Second Ring Material: Cast iron
Product Attributes - Second Ring Facing Material: Cast iron
Product Attributes - File Fit: No
Product Attributes - Gapless: No
Product Attributes - Gaskets Included: No
Product Attributes - Quantity: Sold as a kit.

Reference Information

Brand Name/s	Wiseco
StreetFX SKU	wis797M05400
SFX Item ID	4064533
Supplier Item Code	4064533
Manufacturer SKU	797M05400
Manufacturer UPC	193564136909
Alternative References	YZ125, 2126CST