Matt Fisher said:Did your bike run fine in the past, and now it's running poorly and fouling plugs?
If so, there's likely something besides the jetting that's an issue. Low compression, dirty air filter, etc.
Not true, you determine plug heat range by the color of the plug. Jetting is determined by the mixture ring at the base of the spark plug and you'd need a spark plug viewer to get a good look at it.2strokerfun said:... You determine the proper jetting by color of the plug...
DougRoost said:Not true if the weather or location was significantly different then vs. now. Temp, humidity, and elevation dramatically affect jetting.
bk250 said:Follow up question - Does it matter what spark plug I use when checking the jetting and doing the throttle chop tests? The bike specs for BR8EG plugs. I was thinking of using BR8ES plugs for the tests to save some money and then switching back to the BR8EG once I have it set up properly. Will this affect the tests? Thoughts??
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