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In the process of putting puttin a new 11.1 high compression piston in, and making it a 416 from a 408. Question is once the piston is in should i break the motor in with a full synthetic oil or a semi, then switch to a full once its broken in? thanks
When I did my 416 rebuild, we broke it in with standard non synthetic oil, then switched to full synthetic. That is what I would reccommend
i agree thats what i did the race shop around here thats a honda dealer and a site sponsor here that build alot of drag and moto bikes said every bike they build thats what they do cus if u break it in with full or semi synthetic oil the rings wont seat right
good info to know thanks guys. steve
You have to run conventional oil in the motor to break it in. Synthetic oil doesn't have the right minerals in it to break in a motor. but after the break in, i would run nothing but synthetic in it.