Wiseco GP Series Piston Kit with Gaskets - Suzuki RM125 (2004-2008) - 58.00mm Bore (+4.00mm BIG BORE) - 2-Stroke Race-Spec
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Wiseco GP Series Piston Kit with Gaskets - Suzuki RM125 - BIG BORE
The Wiseco GP Series represents the pinnacle of 2-stroke piston technology for the Suzuki RM125. This is a BIG BORE kit (+4.00mm) that increases displacement from 125cc to 144cc - giving your RM125 serious power gains with GP Series race-spec features!
š„ BIG BORE: 125cc ā 144cc (+15.2%!)
This +4.00mm big bore kit provides a massive 19cc displacement increase - that's 15.2% more displacement for significantly improved power throughout the rev range!
ā ļø Important: Installation Requirements
- Sleeving or Replating Required - Cylinder must be bored to 58.00mm
- Fits SCEM (Suzuki Composite Electrochemical Material) coated cylinder
- Does not have an intake window
- Pinned on centerline
š GP Series Race-Spec Features
- Electra Coating - Crown, ring groove(s), and pin bores coated for maximum wear resistance
- ArmorGlideĀ® 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 + ArmorGlideĀ®
- 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 + ArmorGlideĀ® 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
Displacement Increase
- Stock Bore: 54.00mm = 125cc
- Big Bore: 58.00mm = 144cc (+15.2% displacement!)
Important Notes
- Sleeving or replating required - cylinder must be bored to 58.00mm
- Fits SCEM 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
Piston Specifications
- Bore Size: 58.00 mm (+4.00mm Big Bore)
- Piston Diameter: 57.95 mm
- Stroke Length: 54.50 mm
- Material: 4032 Aluminum Alloy
- Skirt Coating: ArmorGlideĀ® + Electra
- Style: GP Series
Engine Specifications
- Displacement: 144cc (up from 125cc)
- Engine Type: 2-Stroke
- Weight: 0.91 lbs
Fitment
Suzuki:
- RM125: 2004-2007
- RM 125: 2008
Why Choose the Big Bore?
The +4.00mm big bore conversion combined with GP Series race technology gives your RM125 the ultimate competitive advantage. Popular for open class racing and riders who want maximum power!
š¦ Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: MondayāThursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2ā4 weeks
- EVP exhaust systems: 2ā4 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact usāwe respond within 24 hours.
