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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
CR 125 Plug fouling!
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[QUOTE="76GMC1500, post: 1189434, member: 73139"] If the plug is brown, it is getting hot enough to clean itself. I don't think the problem is due to jetting or lugging it around. My bike was doing something similar. The plug would appear to be ok but it wouldn't spark. It actually was sparking, if you looked inside of the plug and kicked the bike over. It would arc between the insulator and the side of the spark plug, deep inside. It wouldn't cross at the gap so it appeared the plug wasn't sparking at first. I went through two plugs before I changed the right side crankshaft seal. I haven't been through one since. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
CR 125 Plug fouling!
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