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Microlite 4000 won't stay running frank 1-27-03  
Geez. Hope somebody can help.... Have a dead 4KY FA 26100 A Microlite generator

Generator suddenly popped and quit running month and a half ago. (Don't use much in winter) Tried starting with no luck until bought new spark plug, and use hand over carb throat to choke the hell out of motor. Finally got gen to run, spat out hordes of blue smoke which cleared, and then ran well for 10 min. Quit again, MUCH gas on hands when I tried to hand-choke carb again. Sputters, ran poorly, quit. Spark and fuel ARE getting to motor..

I run stabil in gas in slow times, and periodically start in winter & run

Onan says I split a woodruff key on some flywheel to stator assembly. Makes little sense, why would it run well at all? Verified I get fuel and spark, so must be timing of spark, and "think" it's a sheared key. 1.5K too fix (!!!), 2.5K to replace.

Ideas?

Where can I buy a manual (used is fine, not available at this time through ONAN)
Re: Microlite 4000 won't stay running Joe 1-28-03  
Try this for $17.25...
https://www.netpluscatalog.com/cart/viewcart.cfm?CFID=190201&CFTOKEN=92402128
Re: Microlite 4000 won't stay running Ted 2-3-06  
I have had the problem will not stay running or will not start. Remove fuel bowl and clean gum from shut off vale and carb with spray carb cleaner and brush. Valve was very gummy and I run gen at least once a month but in hot weather think all fuel drys up between runs from looking at fuel bowl and shut off valve.
Re: Microlite 4000 won't stay running Leonard 8-14-03  
Have you had any luck? I have one doing the same thing. You rhelp would be appreciated.
Re: Microlite 4000 won't stay running seamus 6-6-04  
Microlite 4000 won't start, cranks great, will not start. Used carb spary which made it start and run till the spray was used. It ran when I put some gas into the bowl after disconneting the fuel line. Then when the gasoilne was used up it stopped. Tank is full air clean clean, spark plug clean and the choke is working. I noticed that with the gasoline line disconnected and when cranking the gen that no gas came out of the line. Is there an inline filter or gas pump?
Seamus
Re: Microlite 4000 won't stay running Ted 2-3-06  
I had a simliar problem and fix is clean Carb. Two years ago this happen and I took to a Mech. and he cleaned. He removed carb and sprayed all carb with cleaner. Alot of Gum in fuel bowl and shut off valve. It started doing it again and I took off and cleaned. Remove air cleaner filter and two long bolts through carb. Have to work so don't bend butterfly valves. Be sure to note how the auto choke rod connected as when When I first put on choke operated incorrect. Bolts a pain to get out but did two time without breaking. I was unable to find parts for carb. Onan says replace carb. They don't mention cleaning but was very easy except for getting bolts in and out. Would be easy if top cover could be removed.
Re: Microlite 4000 won't stay running Ted 2-3-06  
I have had the problem will not stay running or will not start. Remove fuel bowl and clean gum from shut off vale and carb with spray carb cleaner and brush. Valve was very gummy and I run gen at least once a month but in hot weather think all fuel drys up between runs from looking at fuel bowl and shut off valve.
Re: Microlite 4000 won't stay running Ralph 12-29-03  
I know that this is an old subject but look at this site. It might still be of some assistance.

http://www.rverscorner.com/articles/onan.html

It talks about the problem you are working with.
Valve bearing intake and exhaust on an onan 4ky generator eloy espinoza 3-23-05  
We need to know the valve bearing the intake and exhaust on an onan 4ky generator is it.002 or.003
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