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RE: [ST] Oil usage



>> I change the oil and filter every 5000kms but I need to add about
300 - 
>> 400mls between changes.
>>Its not burning it and there are no leaks, so I'm at a loss as to
where 
>>its going.

There are two common sources of oil consumption (as opposed to other
forms of loss): 
a) Valve stem seals - with the airbox off, hold the throttle
butterflies open and look for a shiny carbon buildup on the heads of
the intake valves.  An engine with bad valve stem seals will sometimes
emit a puff of bluish oil smoke when the throttle is opened after a
long deceleration. 
and
b) Piston rings.  There have been many cases of piston rings not
having properly seated during the running-in period.  Engines with bad
oil control rings will often smoke during hard acceleration.

> Remove the tank and check in the airbox.
> I'll bet you'll find evidence that it's ended up in there.

My '01 uses a similar amount and the airbox is dry.  I'm not concerned
about this level of consumption.

--
Rick in Oregon 
'01 Sprint ST    

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