kev
New Member
Posts: 9
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Post by kev on Jul 22, 2011 0:07:07 GMT 10
last week i had a wippy play up so i was talking to the guy at the mower shop about it
he had it fixed in less then a min as all he did was pull the spark mesh guard from the exhaust something about it coking up
it is now running ok
anyone else had this problem
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adrian
Junior Member
Posts: 58
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Post by adrian on Jul 24, 2011 19:34:45 GMT 10
yeh mate i have had that problem,i think it is when i am a little heavy handed with the 2 stroke oil
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Post by goatee on Jul 9, 2012 21:39:42 GMT 10
Coking up is very common in 2 strokes. Two things that cause it is running too rich either with to much oil or just a bad air/fuel ratio. The other is using too low of a rev range. 2 strokes are built for screaming, and a lot of people have the tendency to use low revs to reduce noise emissions which in turn is doing more damage to you equipment than what the noise is to your ears. Generally when a muffler is coked up, there is a good chance the exhaust port is coking up aswell, so it should also be checked and cleaned to assist in optimal engine performance at HIGH RPM's.
Keep them screaming saves on cleaning.
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Post by admin on Jul 9, 2012 23:08:58 GMT 10
Thats so true full revs, I didnt know that untill the guy in the shop told me as I had coking with my blower & whipper snipper in my 1st year
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justfixitpm
New Member
Just Fix It Property Maintenance
Posts: 45
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Post by justfixitpm on Jul 11, 2012 7:49:01 GMT 10
Its the same with bikes. People have a fair bit of trouble using 2 strokes as daily rides/commuter bikes because of the steady revs, it basically results in unburnt oil clogging up the works - so to speak.
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