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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Spark Plugs
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<blockquote data-quote="oexing" data-source="post: 118109" data-attributes="member: 1493"><p>Steven, thanks for sharing your troubles with NGK plugs in the forum. Seems fakes are a real factor with famous brands but I would not have believed that modest price items like spark plugs were attractive for fakers. When fabricating fake plugs there are quite some costs of investments to start production so one could produce working spares as well with no practical extra costs - or so I´d think. I have always had Bosch plugs since I was a boy as they have the nickel plated steel sections for nice shiny durable finish. With good luck Bosch seem unattractive for fakers as I never had defects as described. Basically a spark plug is no complicated item so should be reliable in operation. Some or most types have an inbuilt resistor for less radio emittance or limiting current from coils. I seem to remember that resistor plugs were not recommended for magneto ignition with poor mag types . A faulty resistor may be tested with a multimeter and in doubt the plug be scrapped. Anybody with a fake NGK for testing this ?? To be honest, I am now curious to get a fake for looking inside to learn what can be wrong with these. In most cases I only had fouled plugs in need for cleaning due to wrong grade choice. </p><p></p><p> Vic</p><p>[ATTACH=full]32901[/ATTACH]</p></blockquote><p></p>
[QUOTE="oexing, post: 118109, member: 1493"] Steven, thanks for sharing your troubles with NGK plugs in the forum. Seems fakes are a real factor with famous brands but I would not have believed that modest price items like spark plugs were attractive for fakers. When fabricating fake plugs there are quite some costs of investments to start production so one could produce working spares as well with no practical extra costs - or so I´d think. I have always had Bosch plugs since I was a boy as they have the nickel plated steel sections for nice shiny durable finish. With good luck Bosch seem unattractive for fakers as I never had defects as described. Basically a spark plug is no complicated item so should be reliable in operation. Some or most types have an inbuilt resistor for less radio emittance or limiting current from coils. I seem to remember that resistor plugs were not recommended for magneto ignition with poor mag types . A faulty resistor may be tested with a multimeter and in doubt the plug be scrapped. Anybody with a fake NGK for testing this ?? To be honest, I am now curious to get a fake for looking inside to learn what can be wrong with these. In most cases I only had fouled plugs in need for cleaning due to wrong grade choice. Vic [ATTACH type="full"]32901[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Spark Plugs
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