PISTON KIT 16-22 250 SX-F 14.4, WISECO 40144M07800A 78mm
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Wiseco 40144M07800A 78mm 14.4:1 Compression Motorcycle Piston Kit. Forged from high-silicon aluminum alloy for maximum strength and dependability. Wiseco offers a complete range of popular piston models and years for both trail and racing applications. Durability, longevity and increased horsepower. Innovative forging design and piston skirt provide maximum horsepower and torque. All Wiseco High-Performance Motorcycle Pistons come with rings and circlips. Item contents: 7800YB 78.00 mm Ring Set .9mm X 1.5mm, Ring Set, S677 Piston Pin 16 x 40mm NonChromed TW, W6883 Round Wire Retainer 16mm x .049 inch (pair). Weight 250 grams.
- SKU
- 56-W265.A.WI
- Brand
- Wiseco
- Availability
- Out of Stock
Fitments (34)
| Make | Model | Year |
|---|---|---|
| GAS-GAS | EX F 250 | 2021 |
| GAS-GAS | EX F 250 | 2022 |
| GAS-GAS | EX F 250 | 2023 |
| GAS-GAS | MC F 250 | 2021 |
| GAS-GAS | MC F 250 | 2022 |
| GAS-GAS | MC F 250 | 2023 |
| HUSQVARNA | FC 250 | 2016 |
| HUSQVARNA | FC 250 | 2017 |
| HUSQVARNA | FC 250 | 2018 |
| HUSQVARNA | FC 250 | 2019 |
| HUSQVARNA | FC 250 | 2020 |
| HUSQVARNA | FC 250 | 2021 |
| HUSQVARNA | FC 250 | 2022 |
| HUSQVARNA | FE 250 | 2016 |
| HUSQVARNA | FE 250 | 2017 |
| HUSQVARNA | FE 250 | 2018 |
| HUSQVARNA | FE 250 | 2019 |
| KTM | 250 EXC-F | 2016 |
| KTM | 250 EXC-F | 2017 |
| KTM | 250 EXC-F | 2018 |
| KTM | 250 EXC-F | 2019 |
| KTM | 250 SX-F | 2016 |
| KTM | 250 SX-F | 2017 |
| KTM | 250 SX-F | 2018 |
| KTM | 250 SX-F | 2019 |
| KTM | 250 SX-F | 2020 |
| KTM | 250 SX-F | 2021 |
| KTM | 250 SX-F | 2022 |
| KTM | 250 XC-F | 2016 |
| KTM | 250 XC-F | 2017 |
| KTM | 250 XC-F | 2018 |
| KTM | 250 XC-F | 2019 |
| KTM | 250 XC-F | 2020 |
| KTM | 250 XC-F | 2021 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 14.4mm
- Variant Id
- 300877
FULL DESCRIPTION
Wiseco 78mm Motorcycle Piston Kit 14.4:1 Compression
Upgrade your motorcycle's performance with this high-quality Wiseco Piston Kit. Engineered for demanding trail and racing applications, this kit is designed to deliver superior strength, durability, and increased horsepower. The piston is forged from a high-silicon aluminum alloy, ensuring maximum dependability under extreme conditions. Innovative forging design and piston skirt technology contribute to optimal horsepower and torque gains.
This complete kit includes everything you need for a comprehensive upgrade:
- 78.00 mm Ring Set (.9mm X 1.5mm)
- Piston Pin (16 x 40mm NonChromed TW)
- Round Wire Retainers (16mm x.049", pair)
All Wiseco High-Performance Motorcycle Pistons are built to last, providing longevity and enhanced power for your ride. This kit features a 14.4:1 compression ratio and a 78mm bore size.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
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
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


