PISTON KIT 14-15 YZF250 14.0, WISECO 40127M07700 77mm
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WISECO 40127M07700 Piston Yamaha YZ250F 77 mm Bore. High Compression 14.0:1. Forged pistons are tougher and more durable than cast pistons and withstand the abuse of high-performance motorsport applications. Forgings have condensed grain that is aligned to the features of the part, which produces higher impact and fatigue resistance. Each forging is designed to optimize the strength-to-weight ratio and maximize performance. Features R&D developed, asymmetric skirt design, precision fit ring, 100% billet machined, high compression, and dome design. Cross reference numbers: 1SM-116A0-00-00, 1SM-116A0-01-00, 1SM-11631-00-00, 1SM-11631-01-00, 1SM-11603-00-00, 1SM-11633-00-00, 93450-17129-00.
- SKU
- 56-W4961.WI.HC
- Brand
- Wiseco
- Availability
- In Stock (2)
Fitments (29)
| Make | Model | Year |
|---|---|---|
| YAMAHA | WR 250F | 2015 |
| YAMAHA | WR 250F | 2016 |
| YAMAHA | WR 250F | 2017 |
| YAMAHA | WR 250F | 2018 |
| YAMAHA | WR 250F | 2019 |
| YAMAHA | WRF 250 | 2014 |
| YAMAHA | WRF 250 | 2015 |
| YAMAHA | WRF 250 | 2016 |
| YAMAHA | WRF 250 | 2017 |
| YAMAHA | WRF 250 | 2018 |
| YAMAHA | YZ 250F | 2014 |
| YAMAHA | YZ 250F | 2015 |
| YAMAHA | YZ 250F | 2016 |
| YAMAHA | YZ 250F | 2017 |
| YAMAHA | YZ 250F | 2018 |
| YAMAHA | YZ 250FX | 2014 |
| YAMAHA | YZ 250FX | 2015 |
| YAMAHA | YZ 250FX | 2016 |
| YAMAHA | YZ 250FX | 2017 |
| YAMAHA | YZ 250FX | 2018 |
| YAMAHA | YZ 250FX | 2019 |
| YAMAHA | YZF 250 | 2014 |
| YAMAHA | YZF 250 | 2015 |
| YAMAHA | YZF X 250 | 2014 |
| YAMAHA | YZF X 250 | 2015 |
| YAMAHA | YZF X 250 | 2016 |
| YAMAHA | YZF X 250 | 2017 |
| YAMAHA | YZF X 250 | 2018 |
| YAMAHA | YZF X 250 | 2019 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 14mm
- Variant Id
- 256482
FULL DESCRIPTION
Wiseco 77mm High Compression Piston Kit for Yamaha YZ250F
Engineered for the extreme demands of racing, this Wiseco piston kit offers superior strength and durability compared to standard cast pistons. Forged pistons are renowned for their toughness, designed to withstand the intense abuse of high-performance motorsport applications. Unlike brittle castings, forgings feature condensed grain aligned with the part's features, providing enhanced impact and fatigue resistance.
This piston kit is precision machined from billet, optimizing the strength-to-weight ratio for maximum performance. Its R&D developed design includes an asymmetric skirt for precise fitment and a high compression dome.
- Bore Size: 77mm
- Compression Ratio: 14.0:1 (Actual may vary slightly)
- Material: Forged Billet
- Features:
- R&D Developed
- Asymmetric Skirt Design
- Precision Fit Ring
- 100% Billet Machined
- High Compression Dome
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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