Oil from Crankcase breather and won't rev out
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Just imported 1989 dt125r. Now on the road but engine cuts out at about 8k revs. Checked YPVS valve which operated fine. Carb stripped and cleaned all good. However still won't rev out. Very occasionally it will rev almost to redline but mostly it cuts out (stutters). It's also kicking oil out of breather. Any suggestions
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@Barrelman said in Oil from Crankcase breather and won't rev out:
Just imported 1989 dt125r. Now on the road but engine cuts out at about 8k revs. Checked YPVS valve which operated fine. Carb stripped and cleaned all good. However still won't rev out. Very occasionally it will rev almost to redline but mostly it cuts out (stutters). It's also kicking oil out of breather. Any suggestions
Bad crank seals most likely
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@Barrelman I concur with Dan.
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Thanks for replies. Now to work out how to do that. Always learning
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@Barrelman Grab yourself a Haynes manual off ebay dude, there worth their weight in gold.
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@NINJA said in Oil from Crankcase breather and won't rev out:
@Barrelman Grab yourself a Haynes manual off ebay dude, there worth their weight in gold.
Reading it as we speak
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Reassemble is simply the reverse of the disassembly procedure.
That's a gem from Haynes and about ad helpful ad an ashtray on a motorcycle
