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Shovel stumbles and pops

2.2K views 11 replies 10 participants last post by  chopper103in  
#1 ·
79 Shovel, was running fine, then everyonce in a while it would pop out the carb. Then it went down hill from there. Now it will start and idle fine, but when you start it bogs and pops a bit. It has fresh points, plugs, and intake bands. Valves have been set, carb cleaned, all passages blown out. It has a Super E carb, pump seems to be working, crack the throttle and it squirts. Every once in a while it seems to clear up and run fine, then back to this.

Any ideas?
 
#2 ·
I don't know if it could be your problem or not, but the Super E has an adjustable acc. pump and I've seen a lot of them that are adjusted so fat that they flood the bike when you crank the throttle. Most of them that I've seen run best when the acc. pump is almost shut off and just dribble out a little gas when you twist the throttle.
 
#4 ·
Kickstarter said:
Got it out about 1 1/4 turns right now. I turned it in and it wants to bog even more.
on the accelerator pump screw, turning it in=less pump, out=more. 1 1/4 isn't much at all, go out few turns (close to full) and see if it improves...it cant hurt tune back in 1/4 turn at a time from there. a re-read of the s&s manual my help; here's the link: http://www.nightrider.com/biketech/download/ssmanuals/super_e_g.pdf