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Dirt Bike Brands - Other
reddish looking spark plug
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[QUOTE="84cr125, post: 1211587, member: 76755"] if he was drawing oil in from the crankcase, he would be oil fouling his plugs. They would not be looking redish. redish colour plugs mean that the bike is running too cold. what type of riding do you do? a 9 heat range is recommended in manuals becase the manual is built around the idea that your yz is under racing conditions and a 9 plug is needed for that. But if your just doing trails and occasionaly hitting the tracks use the 8 heat range, its more adaptable with a few tweeks of the carb. My advice would be to put the 8 heat range plug in and see how it runs from there and see if you need to re-jet your bike. keeping in mind that you should be using a new spark plug when you diagnose the heat range of your engine. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
reddish looking spark plug
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