PISTON KIT 05-07 YZF250 77.00, WISECO 4882M07700B YAMAHA MX
Wiseco forged pistons are superior in strength and design. This piston kit features a 12.5:1 compression ratio and requires Nikasil bore-cylinder sleeving or replating for oversizes. The kit includes one 77.0mm piston, one 7700YC ring set, two CW16 circlips, and one S686 wrist pin. Pistons, rings, and kits are sold by application and bore size. This specific piston has a bore size of 77.00mm and part number 4882M07700B.
- SKU
- 56-W188.B.WI
- Brand
- Wiseco
- Availability
- In Stock (2)
FULL DESCRIPTION
Wiseco Piston Assembly - 4882M07700B
Enhance your motorcycle's performance with this high-quality Wiseco forged piston assembly. Engineered for superior strength and design, this piston is a critical component for engine rebuilds and upgrades.
Key Features:
- Forged construction for exceptional durability and strength
- 12.5:1 compression ratio
- Nikasil bore compatible
- Cylinder sleeving or replating may be required for specific oversize applications
This piston kit includes everything needed for installation:
- One 77.0mm piston
- One 7700YC ring set
- Two CW16 circlips
- One S686 wrist pin
Wiseco is known for producing a full line of forged pistons, big bore kits, and related engine components, ensuring you have access to top-tier parts for your performance needs.


