Wiseco 18-25 Yamaha YZ65 43.5mm Piston Kit

SKU: WISPK1960

Engine Piston

WIS Piston Sets - Powersports...

Wiseco

Wiseco 18-25 Yamaha YZ65 43.5mm Piston Kit

SKU: WISPK1960

Engine Piston

WIS Piston Sets - Powersports...

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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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!

Part Type

Engine Piston

Data: v4.2 - Upd: 2026-10-16 05:14:17

Features

Dedicated forging design for strength-to-weight optimization
Dedicated forgings allow for optimized strength-to-weight ratio
Designed and built for each specific 4-stroke powersports engine
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
Improved tensile strength of forged material optimizes strength and service life
Includes high-quality piston rings, wrist pin(s), and circlips
Refreshed performance from the track to the trail

Specifications

Reference Information

Brand Name/s	Wiseco
StreetFX SKU	wisPK1960
SFX Item ID	5436423
Supplier Item Code	5436423
Manufacturer SKU	PK1960
Manufacturer UPC	193564563972
Alternative References	YZ65, 43.5mm