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| Go Kart Engine and Torque Converter Tech Forum for discussing go kart engines and torque converters (Briggs, Tecumseh, Suburu, Comet etc) |
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#1
04-26-2010, 11:38 PM
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Go kart head aches!
I bought a sunl (yeah...it's not running) about 6 months ago. The electrical system was fried. I just got it running yesterday. It was running kinda rough so I took the carb off and cleaned it. I got everything put together adjusted it to idle but now that the engine is up and running it won't GO FORWARD!!! It seems like the engine isn't reaching a high RPM to get the torque converter to engage the wheels. If I put it on jack stand and put the pedal down for a few minutes the rear wheels will start moving but I can stop them with my hands. I'm thinking that if I tune the carb it should reach higher RPMs. Any thoughts on the issue...should I clean the converter? The kart is a '05 Sunl 150cc, standard chinese engine.
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#2
04-27-2010, 05:15 AM
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First make sure fuel flow is good. You should clean the tank, take out n clean the petcock, new filter, and re clean tha carb. Adjust the valves. Make sure you have no air leaks at the intake. Check all the electric connections and grounds
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#3
04-27-2010, 09:36 AM
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welcome to the group
chuck is right do the external stuff first see if that solves your problems then start on other things
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olderthan 2008 tomberline punisher 1500 spring 12g sliders 30mm cv pumper carb uni filter no rev cdi polaris xlt snowmobile shocks for front w/550 magnum springs & blaster fronts on rear and another buggy built working on mods gk-13 white spring 17 gram sliders so far
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#4
04-27-2010, 12:41 PM
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if you say you throttled up and the engine is not getting high enough rpms. but the enine is not choking on excesssive fuel being pumped in or missfiring? take the aircleaner off of it start it and throttle it up and give a couple quick shots of carb cleaner ( i like berkley 2+2) if that makes the engine surge you might have a gum up problem. bu t i would also take a look at the throttel linkage and the springs. and check the govenor( if there is one)
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#5
04-27-2010, 03:15 PM
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is it bogging when you give it gas? How did you clean the pilot jet?
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#6
04-28-2010, 03:11 AM
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If none of these suggestions fix the issue, it is possible someone has shredded a belt at one point and installed a new one w/o making sure the rollers were in the variator properly. My first one did the same thing when I was first learning. I replace the belt and the rollers were all slung sideways and it did the same thing.
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09 Joyner Sand Viper 250 08 Joyner Sand Viper 250 2009 Joylaris 400 Screamer http://www.youtube.com/watch?v=eeulR4W1_PU
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