Wiseco 485M07050 Piston Kit 70.50mm 0.50mm Oversize for Suzuki RM250

The Wiseco 485M07050 is a high-performance piston kit engineered specifically for 1982-1985 Suzuki RM250 two-stroke dirt bikes. This precision-forged piston features a 70.50mm bore diameter, representing a 0.50mm oversize configuration that allows for cylinder reboring and extended engine life.

Key Features:

• Forged from high-silicon, low-expansion aluminum alloy for superior strength and heat dissipation
• 70.50mm bore diameter (0.50mm oversize)
• CNC-machined with diamond-turned finish for perfect dimensional consistency
• Lightweight forging design optimized for maximum horsepower and torque
• Compatible with cast iron, chrome, Nikasil, and boron composite cylinder bores
• Precision-engineered to OEM specifications for reliable fitment

What's Included:

• Forged piston
• Piston rings
• Wrist pin
• Circlips (pin retainers)

Wiseco pistons are manufactured in their state-of-the-art facility using advanced forging techniques and computer-controlled machining to deliver race-proven performance for both competitive riders and recreational enthusiasts. The 0.50mm oversize option extends cylinder life by allowing for reboring when the original bore becomes worn.