won't allways start in forward

panamaguy

91 3pg,new piston,s/g,voltage regulator,battery,it starts in reverse but doesn't allways start in forward,any ideas?

BGW

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rvkersh

clean the contacts in the forward/reverse switch.

panamaguy

That's the micro switch right?

1989Marathon

No, you'll find contacts sandwiched inside the FWD/REV selector switch. The large cables connect to them.

panamaguy

OK new problem,took it for a test drive,went ok in reverse,switched to forward and off we go,went about 1/2 mile it bogged down and quit.It started in reverse so I thought I wood back it home the 1/2 mile,no good,got about 1/4 mile it boogged down and now won,t start.Its parked at the side of the jungle so it's ok but If you can tell me what to check I can bring the right tools.I did the top end rebuild,new crank seals,reg. s/g cleaned the grounds,will pull the fnr switch when I get her home.I am running 40:1 for the break in if I ever get it running long enough to break it in.Thanks,Panama

redcloud

Did you do a premix of the oil before adding it to the tank or is it still auto injection? If not, you may want to check the plug to see if you have not fouled it out. Could be a spark problem with forward switch and a now fouled plug. The plug should be very wet if it is a spark issue and would also be wet if fouled. A new plug would give the details on fouling to eliminate that part. If your plug is not wet and it has not been starting, you may have a fuel supply issue.
It is a real problem when you have two problems on top of another that makes you pull your hair out.
You do not mention if you have checked spark plug wires and such?

panamaguy

Thanks guys,I have pre mix in the tank,+/- 40;1,have fuel to the carb,will pull plug and check condition and spark,its the old plug wire but it was working,I think I have another plug I can use as a tester,will take out the F-N-R switch in the AM. and post Mon. morning,the jungle gets a bit buggy after 2PM. Thanks again for all the help,Panama

nobuckbuild

WEll first you have a mix problem to much oil these carts are very touchy about oil 128 to 1 is where it should be your probably fouling the plug and overloading oil and check that shifter switch contacts

panamaguy

I do know the correct fuel oil ratio but thought you are to mix 40;1 for the break in period.When I foul the plug,which I know I will,what is the best way to clean it?

panamaguy

I cleaned the f/r switch,replaced a wire on the solenoid,still starts in reverse but only once in a while in forward.When it doe's start in forward it go's 10 feet and just sits there ideling.Could I have a timeing issue and if so how do I fix it?thanks,I do have strong spark forward and reverse