Wiseco GP Series Piston Kit with Gaskets - Suzuki RM125 (2004-2008) - 54.00mm Bore - 2-Stroke Race-Spec
Wiseco GP Series Piston Kit with Gaskets - Suzuki RM125 (2004-2008)
The Wiseco GP Series represents the pinnacle of 2-stroke piston technology for the Suzuki RM125. Engineered for endurance racing and sustained high-RPM operation, this race-spec piston features advanced coatings and extra lightening operations for maximum performance - the same technology used by professional racers!
⚠️ Important: SCEM Cylinder
This piston kit fits Suzuki Composite Electrochemical Material (SCEM) coated cylinders only.
- Does not have an intake window
- Pinned on centerline
🏁 GP Series Race-Spec Features
- Electra Coating - Crown, ring groove(s), and pin bores coated for maximum wear resistance
- ArmorGlide® Skirt Coating - Protection from micro-welding, galling, and detonation
- Extra Lightening Operations - Enhanced throttle response
- Made in USA - Engineered, forged, and machined in the USA
Kit Includes
- Wiseco GP Series Piston - Premium 4032 aluminum alloy with Electra + ArmorGlide®
- Ring Set
- Wrist Pin
- Circlips
- Wrist Pin Bearing
- Top End Gasket Set
Key Features
- GP Series design for professional-level racing performance
- 4032 aluminum alloy construction - optimized for 2-stroke applications
- Dual coating system - Electra + ArmorGlide® for ultimate protection
- Designed for endurance and sustained RPM riding
- Complete top-end gasket kit included
- Wrist pin bearing included - everything for a complete rebuild
- Standard bore - direct OEM replacement
Important Notes
- Fits SCEM (Suzuki Composite Electrochemical Material) coated cylinder only
- No intake window design
- Centerline pin location
- Wiseco ring types are not interchangeable
- Wiseco pistons can be fitted only with Wiseco rings
- Cylinder sleeves must be purchased separately if needed
Piston Specifications
- Bore Size: 54.00 mm (Standard)
- Piston Diameter: 53.95 mm
- Stroke Length: 54.50 mm
- Material: 4032 Aluminum Alloy
- Skirt Coating: ArmorGlide® + Electra
- Style: GP Series
Engine Specifications
- Displacement: 125cc
- Engine Type: 2-Stroke
- Weight: 0.95 lbs
Fitment
Suzuki:
- RM125: 2004-2007
- RM 125: 2008
Why Wiseco GP Series?
The GP Series is Wiseco's ultimate 2-stroke racing piston. The Suzuki RM125 was a legendary motocross bike, and this piston delivers the reliability racers need to win!
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.