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1970 60 Johnson fuel problems bogging missing

C

cdbradenton

New member
"I had the carbs rebuilt with

"I had the carbs rebuilt with kits by local marine mechanic. It still caughed and missed especially after running well for about 5 min.

I replaced the gas hoses with black hoses purchased at auto store. One hose that feeds the pump appears to flatten out.

I have a new SS 15" prop, and the boat was runninig great. Then it started missing and bogging down. I adjusted the needles with success but it again caughed, bogged and missed. It certainly runs better when I mash the gas line ball.

So, fuel pump? Is there a better hose set up?"
 
"assuming your spark and compr

"assuming your spark and compression are fine....??.....i would ck the linkage and synchronization of carbs, and ign advance.I would also ck for fuel restrictions,..WATER IN FUEL,...and repl fuel pump if all ok."
 
"i was referring to timer base

"i was referring to timer base advancement,as u throttle,make sure it moves,linkage is'nt disc etc....the ign system has brkr points,cap rotor anti-rev spring etc,and all can cause prob's...look up some of joe reeves posts on this ign system,he has some excellent write-ups."
 
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