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Originally Posted by bbevan
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When people say "replace the piston rings," does that always entail a piston replacement too, as well as reboring the cylinder? Was hoping the rings could simply be replaced (but I understand those rings require quite a bit of work to get to).
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I think it depends what is found when the engine is stripped down; measurements can be made and compared with the specifications.
Quote:
Originally Posted by bbevan
Also- just how bad is losing 1 pint of oil per 400 miles at highway speeds?
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That's a lot in my view; I owned a TTR600 about 9 years ago and it did a lot better than that on oil consumption - I can't remember any specific figures though.
Bear in mind that it is a dry sump design of engine and you need to check the oil levels properly and accurately.
Overfilling with oil is nearly as bad as a low oil level.
Quote:
Originally Posted by bbevan
My impression was that once you start burning a fair amount of oil it progresses quickly, which is why I'm looking into this- is that accurate?
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Again, I would say that you aren't far out with that statement - it does depend on a lot of variables though, including exactly what is wrong with the engine and how long it has been "misbehaving".
I tore into my engine myself and learnt a lot from that; enough to know that there is a learning curve in play and it takes time and effort to learn on the job (that was for changing a leaking base gasket).
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Dave
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