Wiseco Pistons Honda CR125R


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Wiseco MX Pistons
While Wiseco got its start in 2-stroke performance, the Wiseco team has remained at the forefront of powersports performance through
every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco offers a range of forged 4-stroke
pistons covering everything from the casual rider looking for durability to the professional-level racer competing for wins.

Wiseco Pro-Lite
• The Forged 2-stroke piston that started it all
• Great value for reliable fun factor • Refreshed performance from the track to the trail •
Optomizing forging design for strength optimization • Extra lightening operations for enhanced
throttle response • Wrist pin, rings and circlips included

Wiseco GP Series
• Designed for Endurance/High RPM Applications
• Designed with optimized features for long service life and top-end power
• Electra-Coated crown, ring groove and pin bore resists potential wear, combustion heat damages,
and ring micro-welding • ArmorGlife skirt coating reduces friction to optimize performance potential
• Wrist pin, rings and circlips included

Wiseco Racer Elite
Designed for Full-Race Applications
• First 2-stroke piston to be forged with 2000-series alloy, providing greater tensile strength
• ArmorPlating surface treatment on crown, in ring groove and pin bores protext from harmful detonation,
friction wear, and ring micro-welding • ArmorFit skirt coating conforms to the cylinder bore for optimized
fitment, translating to optimized performance • Wrist pin, rings and circlips included

Wiseco Forged Series
Multi-Purpose Riding and Racing
• A complete range of forged pistons engineered for each specific 4-stroke powersports engine
• Convering hundreds of applications across ATV, Dirt Bike, Street, Snowmobile, UTV, V-Twin and more
in a variety of bore size and complression ratio options • Forged material optimizes strength and service
life • Performance enhancing features varied across applicable applications to maximize durability and
power • Wrist pin, rings and circlips included

Wiseco Racer Elite
Designed for Full-Race Applications
• Engineered to be a complete racing piston package to compete at the highest levels
• Industry-first features including asymmetrical skirt, lapped ring and ring groove operation to minimize
operating friction and maximize ring seal for overall improved power
• CNC-machines, billet construction for improved strength to weight ratio
• Rings, circlips, and DLC-coated wrist pin included

Additional information


CR125R 73-1978, CR125R 80-1984, CR125R 85-1986, CR125R 1987, CR125R 88-1989, CR125R 90-1991, CR125R 92-2003, CR125R 95-2003, CR125R 2004, CR125R 04-2007, CR125R 05-2007, CR125R 04-2007

Piston Type

Pro-Lite, GP Series, Racer Elite


56.00mm, 56.50mm, 57.00mm, 57.50mm, 58.00mm, 55.50mm, 54.00mm, 54.50mm, 57.00mm, 55.00mm


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Make Model Year
Honda CR125R 1987
Honda CR125R 2004
Honda CR125R 1973 - 1978
Honda CR125R 1980 - 1984
Honda CR125R 1985 - 1986
Honda CR125R 1988 - 1989
Honda CR125R 1990 - 1991
Honda CR125R 1992 - 2003
Honda CR125R 2004 - 2007
Honda CR125R 2005 - 2007
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