Steve Saunders Goldwing Forums - View Single Post - Popping/backfire

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post #1 of (permalink) Old 10-17-2005, 07:28 PM Thread Starter
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Location: Vancouver, British Columbia, Canada
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My bike seems tuned well now -- all plugs read normal/tan, good idle. I'm getting 34mpg in the city/40imp. I'm still getting popping out the left exhaust. Air-cut valve is good. No hesitation to speak of. I'm wondering if it may be holes in the exhaust? My points static timing is bang on, and points brand new. Could this be from a battery no longer holding a load? Also there are definite chafe marks in the spark plug lead wire insulation on that side. I seem to get a fat blue spark though.

1985 BMW K100RT..wheeee
78 GL1000, naked, restored, on to a happy new home Dec 05
previously: 76 GL1000, 82 GL1100
73 BMW R60/5; \'80s Suzuki GS400/GS750/GS850T; \'87 BMW K100RS; \'73 Kawasaki Z1
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