SPI Piston Kits For Yamaha EXCITER II 570 1991-1993 73.00MM Standard Bore

• Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls
• All of our pistons, rings. pins and circlips are manufactured to OEM specifications
• All individual components are interchangeable with original parts
• Piston weight is comparable with original piston

WE ARE PROUD TO BRING YOU THE NEXT STEP IN THE EVOLUTION OF PERFORMANCE POWERSPORTS PISTONS. OUR NEWEST LINE IS MADE FROM A SPACE-AGE ALUMINUM ALLOY WHICH MAINTAINS IT'S HIGH TENSILE STRENGTH UP TO 700°F ( 380°C), 50% HIGHER THAN A CONVENTIONAL CAST PISTON. THIS HIGH TEMPERATURE RESISTANCE SIGNIFICANTLY IMPROVES FATIGUE STRENGTH AND IMPACT TOUGHNESS, WHICH MEANS THAT WE WILL KEEP YOU RIDING LONGER AND HARDER THAN THE COMPETITION.

A machined smooth piston crown should reflect combustion heat while reducing carbon buildup and protecting the top of the piston. Some tests have shown that a machined smooth head can in crease HP and fuel economy by up to 6%.

Brand: SPI
Part Number: 09-817N

Fitment:

• 1987-1990 Yamaha EXCITER 570
• 1989-1990 Yamaha EXCITER DLX
• 1991-1993 Yamaha EXCITER II 570

Note: Image is for reference only, actual product may vary slightly.