WSM Piston Assembly - Yamaha - +.25 mm 010-871-04K
Part Number: 09101985WSM
- SKU:
- 09101985
- UPC:
- 865369133918
- MPN:
- 010-871-04K
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
Description
When you're pushing your engine to its limits, a stock piston assembly becomes your bottleneck. The WSM Piston Assembly delivers OEM-quality construction with thermal management features that reduce friction, lower operating temperatures, and unlock additional horsepower—critical upgrades for serious racers and high-performance builds. This is the precision component your engine needs to survive sustained power delivery.
Engineered with a specialized MOS2 coating on the skirts, this assembly actively dissipates heat through the piston walls rather than relying on passive cooling alone. The result is less wear, extended component life, and consistent performance lap after lap. Pair it with quality ring sets and you have a platform built for reliability at high RPM.
- +.25 mm oversized
- Piston, rings, pin, clips
- Improved E-clip design
- MOS2-coated skirts
- Heat-dissipating construction
- Hardened ring grooves
- OEM-spec quality
- Order one per cylinder
- Additional rings available
- Yamaha-specific fitment
- MPN: 010-871-04K
Specs
UNITS: |
KIT |
MODEL: |
ORIGINAL |
PISTON MATERIAL: |
ALUMINUM |
PRODUCT NAME: |
PISTON KIT |
BORE - OVERSIZE: |
+0,25 MM |
BORE - OVERSIZE METRIC: |
+0.25 MM |
BORE SIZE METRIC: |
75.90 MM |
RIDING STYLE: |
WATERCRAFT |
Commercial Accounts
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Easy 30-Day Returns
We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.
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