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White Smoke after Carb rebuild/cam adjustment

tas850g

tas850g

Forum Mentor
What does the white smoke mean after a carb rebuld and cam adjustment? It's coming from the 3-4 exhaust (4 into 2) and popping, i think, moderately - every 3-4 seconds. Prior to rebuild and adjustment this was not happening. I need to check my plugs but have not had time to yet. I haven't adjusted high idle yet either, once again, little to no time for the next two weeks. Air screws out 2 turns and fuel screws out 1 turn. 1979 GS850.
 
Are your plug wires on the right plugs? :-k

Left coil should be on #1&4, right coil should be on #2&3.

.
 
The wires still have the numbers on them. I did check to make sure they were on the correct cylinder - left to right 1-4. I'll check again.
 
What do you mean by cam adjustment?
Did you add slotted cam sprockets?
Popping usually means a lean condition, so did you replace:

1. O rings in carbs
2. O rings between head and carb boots
3. Carb boots?
 
replaced all o-rings aboved mentioned above. New intake boots to manifold, not air cleaner boots to carbs though.

i changed some shims out to specs - .03-.08mm.

It's been running leaning inbetween the carb rebuild and cam/shim adjustment. I'm going to try the high rpm adjustment now. It will not idle without near full choke. I'll be back when finished.
 
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