Pistons
WISECO Piston Kit - 77.00 mm - Yamaha YZ250F/FX | WR250F
Brand: WISECO
SKU: P1667586374148
$369.95
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Racer Elite 4-Stroke Series Piston
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Only 3 left in stock
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Product Details
Highlights
- 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 (14:1 for 450cc, 14.5:1 for 250cc) 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.
- Made in the USA.
- Kit Includes:.
- 1x Piston.
- 1x Ring Set #7700MCZ.
- 1x Wrist Pin #S686U.
- 2x Circlips #W6883.
Features: R& D developed Asymmetric skirt design Precision fit ring 100% billet machined High compression Dome design DLC coated piston pin Enhanced pin oiling Pressure seal groove Armorglide skirt coating Benefits: Dyno proven power gains Improved wear and even loading on major thrust skirt Custom lapped compression ring for improved power Superior strength to weight ratio and optimized fit Maximum torque and throttle response Improved lubrication and reduced friction Reduces ring lifting and power loss.
Specifications
| Bore - Oversize | Standard |
|---|---|
| Bore - Oversize Metric | Standard |
| Bore Size Metric | 77.00 mm |
| Compression Ratio Imperial | 14.5:1 |
| Displacement | 250 cc |
| Engine Type | 4-Stroke |
| Model | Racer Elite Series |
| Piston Diameter Metric | 76.96 mm |
| Piston Material | Forged 2618 Aluminum |
| Riding Style | Off-Road |
| Skirt Coating | ArmorGlide |
| Units | Kit |
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