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Old 05-20-2013, 08:23 AM   #14504
Ladder106
It's a short cut, really
 
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Joined: Jan 2005
Location: Davis, CA
Oddometer: 4,856
Wundis,

Does it always run OK when you first start it?

If it runs well for those first few seconds and then starts to miss and run very rich (black smoke)as the engine warms, then, I'd check the enrichening (choke) circuit on the carbs. It may be that your choke plunger (valve) is sticking open or the cable (on later SR43s) is hanging up and even though the knob on the bars is all the way down, the plunger in the carbs is still open.
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