Wiseco

The WISECO 40272M09500 Piston Kit is a forged piston component designed for select Husqvarna and KTM applications. It features a 95.00 mm standard specification and a 12.75:1 compression ratio, making it suitable for the listed 2020–2023 motorcycle fitments.WISECO pistons are forged from high-silicon, low-expansion...

The WISECO 40273PS Piston Kit is a forged piston assembly designed for performance and recreational applications. It features high-silicon, low-expansion aluminum construction for superior strength, reduced weight, improved heat transfer, and extended service life. The piston has a 78.00 mm standard size and a...

The WISECO 40275M09500 Piston Kit is a forged piston designed for high-performance and recreational applications. It features high-silicon, low-expansion aluminum construction for strength, reduced weight, improved heat transfer, and extended service life. The piston has a 95.00 mm standard size and a 12.75:1 compression...

The WISECO 40278M09500 Forged Piston Kit is designed for high-performance racing and recreational applications. Forged from high-silicon, low-expansion aluminum, the piston provides strength, reduced weight, improved heat transfer, and extended service life.A diamond-turned finish produced on CNC-controlled turning centers supports consistent sizing and a...

The WISECO 40297PS piston kit, part number 40297M09500, is a forged piston designed for select Husqvarna and KTM 450 applications. It features high-silicon, low-expansion aluminum construction for strength, reduced weight, improved heat transfer, and extended service life.A diamond-turned finish produced on CNC-controlled turning centers...

The WISECO 40305M08100 Piston Kit is designed for the 2024 Gas-Gas EX 250F, MC 250F, and EC 250F. This forged piston is manufactured from high-silicon, low-expansion aluminum to provide superior strength, reduced weight, improved heat transfer, and extended service life.A diamond-turned finish, produced using...

The WISECO 40306M09500 Optimized Piston is forged from high-silicon, low-expansion aluminum to provide superior strength, reduced weight, improved heat transfer, and long service life. Its 95.00 mm standard specification and 13.1 designation make it a performance-focused piston for select 450 applications.A diamond-turned finish, produced...

The WISECO 40307M09700 Piston Kit is designed for performance-focused racers and recreational enthusiasts. This forged piston is made from high-silicon, low-expansion aluminum to provide superior strength, reduced weight, improved heat transfer, and extended service life.A diamond-turned finish, produced using CNC-controlled turning centers, supports consistent...

The WISECO 40308M07800 Piston Kit is designed for high-performance and recreational applications. This forged piston is manufactured from high-silicon, low-expansion aluminum to provide superior strength, reduced weight, improved heat transfer, and extended service life.A diamond-turned finish, produced using CNC computer-controlled turning centers, helps ensure...

The WISECO 40309M09700 Piston Kit is forged from high-silicon, low-expansion aluminum to provide superior strength, reduced weight, improved heat transfer, and longer service life. Its design reflects WISECO’s focus on supplying forged pistons for both high-performance racing and recreational applications.A diamond-turned finish, produced using...

The WISECO 40318M09600 Forged Piston Kit is designed for performance-focused applications requiring a 96/standard piston configuration and a 12.5:1 compression ratio. Forged from high-silicon, low-expansion aluminum, this piston is engineered to provide superior strength, reduced weight, improved heat transfer, and extended service life.A diamond-turned...

The WISECO 40319PS piston kit, part number 40319M09600, is designed for performance-focused applications requiring a forged piston with a 96/Std configuration and a 13.5:1 compression ratio. Manufactured from high-silicon, low-expansion aluminum, this piston is built to provide superior strength, reduced weight, improved heat transfer,...

The WISECO 40328PS piston kit is designed for Kawasaki applications requiring a 78/Std piston with a 14.5:1 compression ratio. This forged piston is manufactured from high-silicon, low-expansion aluminum to provide superior strength, reduced weight, improved heat transfer, and extended service life.A diamond-turned finish produced...

The WISECO 4117M08950 Piston Kit is designed for specified Honda motorcycle applications and features an 89.50 mm piston size with a +0.50 mm specification and a 10.5:1 compression ratio. This forged piston kit is intended for performance-focused racers and recreational riders seeking a durable...

The WISECO 4156M06550 Piston Kit is designed for select Honda XR200R applications from 1986 through 1996. This piston features a 65.50 mm +0.50 specification and a 10.25:1 compression ratio.Forged from high-silicon, low-expansion aluminum, the WISECO piston is engineered to provide superior strength, reduced weight,...

The WISECO 4156M06600 Piston Kit is designed for select Honda XR200R applications from 1986 through 1996. This piston kit features a 66.00/+1.00 specification and a 10.25:1 compression ratio, providing a precision-engineered replacement option for compatible engines.WISECO pistons are forged from high-silicon, low-expansion aluminum for...

The WISECO 4156M06650 Piston Kit is designed for specified Honda XR200R applications from 1986 through 1991 and from 1993 through 1996. This piston kit features a 66.50 mm bore size, a +1.50 mm oversize, and a 10.25:1 compression ratio as identified by the product...

The WISECO 4171M07500 Piston Kit is designed for specified Honda XL250R, XL250S, XR250, and XR250R applications. This piston kit features a 75.00 mm bore size, +1.00 oversize specification, and a 10:1 compression ratio.Forged from high-silicon, low-expansion aluminum, the piston is engineered to provide superior...

The WISECO 4289PS Piston Kit, part number 4289M06500, is designed for select Honda powersports applications, including the 1984 Honda TRX200 Fourtrax; 1983–1985 Honda ATC200X; 1984–1986 Honda ATC200S; 1984–1985 Honda ATC200M; and 1984 Honda ATC200ES. This piston kit is identified as 65.00/Std with a 12:1...

The WISECO 431M07000 Piston Kit is designed for select Honda ATC250R and CR250R applications. This forged piston is manufactured from high-silicon, low-expansion aluminum to provide strength, reduced weight, improved heat transfer, and long service life.A diamond-turned finish produced on CNC-controlled turning centers helps ensure...

The WISECO 431M07100 Piston Kit is designed for select Honda applications and features a forged high-silicon, low-expansion aluminum construction. This material provides superior strength, reduced weight, improved heat transfer, and extended service life.A diamond-turned finish, produced using CNC computer-controlled turning centers, helps ensure a...

The WISECO 431M07150 Piston Kit 71.50/+1.50 is designed for specified Honda applications, including the 1981–1984 Honda ATC250R and 1978–1980 Honda CR250R. This forged piston is manufactured from high-silicon, low-expansion aluminum to provide strength, reduced weight, improved heat transfer, and long service life.A diamond-turned finish,...