Engine Rebuild Kit w/ Piston Rings - Honda ATC/C/CT/SL70

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Engine rebuild kit for many of the 70cc Honda's. Time to rebuild? If you're diving in and replacing engine gaskets and seals this is a great kit to have on hand! The piston rings are for the stock bore.

NOTE: The clutch gasket only fits Automatic models. Some models used a 3 hole clutch cover gasket and some used a 4 hole gasket. This kit comes with the 3 hole gasket 22119-178-306 as shown in the photo. Check your clutch cover prior to ordering.

Installation Tips:

  • Press your seals in straight with a seal driver or a socket with a slightly smaller OD than the seal. Both surfaces must be free of dirt to create an oil tight seal.
  • All sealing surfaces for gaskets must be clean and flat to make a proper seal, sometimes non-hardening sealant is necessary.
  • Be very careful when installing the cylinder over new rings, it's helpful to have the proper tool to keep the rings compressed as you lower the cylinder over the pistons. Try to use only plastic tipped tools to prevent from scratching aluminum surfaces.
  • The Letter stamped on the top two rings should be facing up when installing them and stagger the ring gaps according to the manual.

Piston Ring Order:

Top Compression Ring (silver outer rim)
Second Ring (black outer rim)
Bottom Rings (3 pieces - Spacer in the middle - 1 thin wiper ring on either side)

Fits Honda:

ATC70 - 1973-1974
C70K1 - 1972-1973 - No alternator seal included
CT70H Trail 70H - 1970-1973
CT70K Trail - 1976-1981
SL70K Motosport - 1971-1973