Racers Elite Piston Kit 14.5:1 Compression - 77.00mm Bore (STD) - Yamaha YZ250F

Yamaha YZ250F

• Additional Info.: DLC Piston Pin
• Bore - Actual: 77.00mm
• Bore - Oversize: STD
• Compression Ratio: 14.5:1
• Compression Ratio - Actual: 14.5:1
• Material: Milled Aluminum
• Note: Asymmetric Skirt
• Skirt Coating: ArmorGlide
• Type: Piston Kit
• UPC: 193564141415

Includes The Following Components
• 7700MC - 77.00 mm Ring Set - .8 x 1.5mm
• 7700MCZ - 77.00 mm Ring Set - .8 x 1.5mm
• Ring - Set
• S686C - PistonPin 16 x 41.5mm DLC Coated SW
• W6883 - 16mm Round Wire Locks - Set of Two

• R&D developed to provide dyno-proven power gains
• Asymmetric skirt design for improved wear and even loading on major thrust skirt
• Precision fit ring; custom-lapped compression ring for improved power
• 100% billet machined for superior strength-to-weight ratio and optimized fit
• High compression for maximum torque and throttle response
• Dome design improves flame travel to maximize air/fuel burn efficiency
• DLC-coated piston pin reduces friction and improves scuff resistance
• Enhanced pin oiling for improved lubrication and reduced friction
• Pressure seal groove reduces ring lifting and power loss
• ArmorGlide skirt coating reduces friction for quieter operation, improved scuff resistance
• Pistons include rings, pin, and circlips