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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Spark plugs 1000 and 500
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<blockquote data-quote="greg brillus" data-source="post: 99884" data-attributes="member: 597"><p>Bill has mentioned on here about his thoughts on Champion verses NGK's in that the Champion plugs seem to fair better against sooty/oil deposits because the center electrode has a coating that is different to the NGK's. I have no reason to disagree, and this seems to be the case. It is also possible that the NGK's might not handle the temperatures of air cooled engines as well..........Who knows. There are definitely some aftermarket fake NGK's out there that are rubbish, so maybe this is more the case than across the board with these excellent plugs. There can be a fine line between an engine that runs well with no plug problems and one that is either too rich or using oil enough to cause reliability of these engines. Before I rebuilt my bike a couple of years ago, I had a plug problem that ended up being the needle jets in the stock 276 carb's were worn enough to allow too rich a mixture, thus fowling the rear plug...... After replacing the needles and 106 needle jets.......... problem all solved. Cheers............Greg.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 99884, member: 597"] Bill has mentioned on here about his thoughts on Champion verses NGK's in that the Champion plugs seem to fair better against sooty/oil deposits because the center electrode has a coating that is different to the NGK's. I have no reason to disagree, and this seems to be the case. It is also possible that the NGK's might not handle the temperatures of air cooled engines as well..........Who knows. There are definitely some aftermarket fake NGK's out there that are rubbish, so maybe this is more the case than across the board with these excellent plugs. There can be a fine line between an engine that runs well with no plug problems and one that is either too rich or using oil enough to cause reliability of these engines. Before I rebuilt my bike a couple of years ago, I had a plug problem that ended up being the needle jets in the stock 276 carb's were worn enough to allow too rich a mixture, thus fowling the rear plug...... After replacing the needles and 106 needle jets.......... problem all solved. Cheers............Greg. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Spark plugs 1000 and 500
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