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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Oil Use
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<blockquote data-quote="Martyn Goodwin" data-source="post: 46234" data-attributes="member: 2433"><p>Checked the interior of the exhaust - tactile digit methodology - and there was nary a trace of oil there = just a thin film of dark grey soot. Also checked the plug, likewise no trace of oil and as expected for the motor so mu conclusion is that the oil is not getting into the combustion space.</p><p></p><p>I am rather certain the oil is coming out of the breather and am starting to wonder if the PCV valve has failed and is staying open all the time.</p><p></p><p>I do have a "D" type breather cover on the shelf and am wondering just how it was set up on the "D" series to be effective. Was it used in conjunction with a PCV valve or some such?</p></blockquote><p></p>
[QUOTE="Martyn Goodwin, post: 46234, member: 2433"] Checked the interior of the exhaust - tactile digit methodology - and there was nary a trace of oil there = just a thin film of dark grey soot. Also checked the plug, likewise no trace of oil and as expected for the motor so mu conclusion is that the oil is not getting into the combustion space. I am rather certain the oil is coming out of the breather and am starting to wonder if the PCV valve has failed and is staying open all the time. I do have a "D" type breather cover on the shelf and am wondering just how it was set up on the "D" series to be effective. Was it used in conjunction with a PCV valve or some such? [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Oil Use
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