bikkel
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 posted on 15/8/08 at 02:30 PM |
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any engine experts around?
hi there,
just drove a few milesin my ZX12R indy, and I noticed that my breather tank smokes quite a lot (blue-ish) only at higher revs >7K.
Smoke is coming from the camcover-breather pipe.
what could be wrong??
piston-oilrings + valve stem seals?
advice needed!!
thanx ,
koen
www.zx12r-indy.tk
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02GF74
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| posted on 15/8/08 at 02:44 PM |
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this could just be normal breathing - normally the engine outlet go back into the airbox so this fume is bunt off ... but then it is a BEC so I dunno
for sure.
Has it always done this? or started doing this and is getting worse? Have you filled oil to correct level? How much oil are you collecting after
say 1/2 hour of running?
You can do compression test on pistons easily enough. Worn valve seals usually show themselves as clouds of smoke on start up as the oil drains past
them into the cylinders.
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ecosse
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| posted on 15/8/08 at 02:46 PM |
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If it's doing it at revs it is more likely to be the rings than the stem seals.
I had a gixer once that did the same, turned out to be a broken ring, compression test is the way to find out though
Cheers
Alex
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bikkel
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| posted on 16/8/08 at 08:31 AM |
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there 's no sign of any oilsmoke on startup.
I'm running a drysump, s the oil level has no influence as it is in the drysmptank.
there's some pressure behind it, because the blueisch smoke comes out of the catch tank despite the breatherfilter on the catch tank.
koen
www.zx12r-indy.tk
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