88cc Stage 1 Vintage Big Bore Kit

for 69-81 Honda 70 cc Pit Bikes
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Brand new 88cc Stage 1 Vintage Big Bore Kit for Honda 70

Are you looking inexpensive way to pump up your old Honda 70 engine? This kit won't set you back a small fortune but give you a very nice power increase over the stock engine. Our big bore kits are top quality, complete, and can be installed by anyone with basic mechanical skills and is willing to turn some nuts and bolts. We have installation instructions available upon request. 

Fits the following Honda 70cc models:
- CT70, ATC70, TRX70, SL70 XL70 (1968-1981)

Check out our ebay store for more Scooter, Go Kart, Pit Bike, UTV and offroad parts.

Vintage Honda 70 Big Bore Kit

  • Lightweight aluminum cylinder with steel sleeve
  • Cast in mounts on cylinder for aftermarket skid plates
  • Oversized cooling fins on cylinder for efficient heat dissipation
  • High compression 52mm piston with rings, pin, & clips (you can still run pump gas)
  • Head gasket kit, all gasket included needed for install.


Desertscooters Scooter Go Kart Off Road and UTV PARTS
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Most items ship within 1 day of auction end.

We are happy to accept returned items that have not been used, within 14 days of end of auction.