4921M07700 Std Piston Kit for Suzuki RMZ 250 2007-2009 77mm 13.4:1 CR

Piston Kit for Wiseco

This Wiseco 4921M07700 standard piston kit is a replacement piston assembly for Suzuki RMZ 250 models from 2007 to 2009, delivering a 77mm bore and 13.4:1 compression ratio. It restores top-end compression and power in the RMZ 250 engine.

Overview

This Wiseco 4921M07700 piston kit is a standard bore replacement for the Suzuki RMZ 250 from 2007 to 2009. The 77mm piston with a 13.4:1 compression ratio delivers strong combustion and dependable performance for riders rebuilding their top end. Ideal for motocross riders and mechanics needing a direct-fit piston kit.

Built For Performance

• 77mm standard bore piston sized for the Suzuki RMZ 250 cylinder
• 13.4:1 compression ratio for strong combustion and throttle response
• Forged construction for durability under high-rpm motocross use
• Wiseco 4921M07700 part number ensures correct fitment reference
• Kit includes piston, rings, pin, and clips for a complete top-end rebuild

Fits These Machines

• for Suzuki RMZ 250, 2007
• for Suzuki RMZ 250, 2008
• for Suzuki RMZ 250, 2009

On-The-Job Use

• Top-end rebuilds on the Suzuki RMZ 250 motocross bike
• Restoring compression after piston wear or ring failure
• Race prep and routine engine maintenance
• Shop and home garage engine work

Specs At A Glance

Good To Know

Q: Does this kit include rings and pin? A: Yes, this Wiseco piston kit is supplied as a complete assembly with piston, rings, wrist pin, and clips. Q: Is this a standard or oversize piston? A: This is the standard bore 77mm piston for the listed Suzuki RMZ 250 years.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.