SKU:4577M09700
WISECO ATV-DIRT BIKE PISTONS.
All Wiseco 4 cycle pistons come complete with rings, wrist pins and circlips.
Only Wiseco replacement ring sets can be used on Wiseco pistons.
All Wiseco 2 cycle pistons are supplied with rings and circlips.
Wiseco 2 cycle pistons are not supplied with a wrist pin unless noted in the description.
The Wiseco 4577M09700 dirt bike piston is a standard-bore replacement component designed for dependable engine service and precise fitment. Built by Wiseco, a trusted name in high-performance powersports engine parts, this piston is suited for riders, technicians, and builders seeking a reliable replacement for a compatible motorcycle or off-road application.
As a standard-bore piston, the Wiseco 4577M09700 is intended for engines retaining their original cylinder bore specifications. It can help restore proper compression and support consistent combustion when replacing a worn, damaged, or service-limit piston. Confirm application compatibility, cylinder condition, and required piston clearance before installation to ensure proper performance and service life.
Designed for dirt bike engine service, this piston should be installed with the appropriate supporting components and procedures recommended for the specific application. Inspect the cylinder, rings, wrist pin, clips, and related hardware before assembly, and follow the manufacturer’s specifications for clearance, orientation, break-in, and lubrication. The part number 4577M09700 provides a reliable reference when verifying fitment with a vehicle, engine, or authorized parts catalog.
Feature: Standard-bore dirt bike piston for compatible engine applications
Feature: Wiseco replacement component identified by part number 4577M09700
Feature: Intended to support restored compression and dependable engine operation
Feature: Suitable for professional repair, maintenance, and powersports engine builds
Feature: Verify application and installation specifications before use
Features:
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