Service

This tapping service can be only ordered together with an engine from us. Tapping service is to cut the threads on the inner diameter of the engine's 4 mounting holes

Service: We will tap 4 mounting holes to the size 3/8-16 NC on your purchased engine to make it ready to mount.

- If you are not sure what thread size of your engine mounting bolt is, you can take one mounting bolt to a hardware store to check the size before ordering this service.

- Please make sure your old mounting bolt size is 3/8-16 NC. If you have different thread size mounting bolt, please let us know.