Anonymous-0
Well-known Member
Have a small coleman generator with a 10 hp tecumseh. Can not get started using normal technique but if you spray a shot of starting fluid in intake it will start on one pull and runs great. Why is this?
- Thread starter Anonymous-0
- Start date
Possible that the carb has some blockage/varnish buildup. Especially if you haven't been real meticulous in draining it when it's not used.
If by some chance you own an ultrasonic cleaner, they work great on those little carbs. Better than getting in there scratching things up with wire etc.
I've had luck rebuilding some small carbs, but usually find buying a new one is the more cost effective approach once you factor your time in.
Could be the coil going too - but carb is always a likely suspect.
If by some chance you own an ultrasonic cleaner, they work great on those little carbs. Better than getting in there scratching things up with wire etc.
I've had luck rebuilding some small carbs, but usually find buying a new one is the more cost effective approach once you factor your time in.
Could be the coil going too - but carb is always a likely suspect.
old
Well-known Member
- Location
- Camdenton Missouri
Need more info on it so we can help you help your self. Gravity feed fuel system or does it have a fuel pump?? Choke type carb or a primer type carb?? Electronic ignition or old enough to have points?? All this matters
Anonymous-0
Well-known Member
how old is it? Some of the newer generators have the oil fill sensor, the one I had did but think it was a Briggs engine. It had to be clear full of oil to start.
Bob M
Well-known Member
Sounds like the choke plate is not closing tight when you work the choke lever.
The choke lever soft stamped steel and is easily bent. When this happens the choke does not close all the way.
To check remove the air cleaner and observe choke plate operation. If the choke plate does not contact the air passage all the way around when the choke lever is set to "full choke", bend the lever as required until it does.
The choke lever soft stamped steel and is easily bent. When this happens the choke does not close all the way.
To check remove the air cleaner and observe choke plate operation. If the choke plate does not contact the air passage all the way around when the choke lever is set to "full choke", bend the lever as required until it does.
huntingreen2day2
Member
If it was the oil fill sensor it would not fire on ether.
I had to do the same thing to my leaf chipper with a 9 HP Tecumseh engine. The fuel system had been empty for over six months. After it ran once it started very easily days later.
If it starts good now I wouldn't worry about it. If it becomes a chronic hard starter you could clean and rebuild the carburator. They seem to need a carb rebuild every ten years or so.
If it starts good now I wouldn't worry about it. If it becomes a chronic hard starter you could clean and rebuild the carburator. They seem to need a carb rebuild every ten years or so.
notjustair
Well-known Member
Sounds like a Tecumseh engine to me. I am not a fan of those things. Some folks feel that way about Briggs, though.
The only Tec I have is on a leaf vac. Don't use it much but I have to do the same thing to mine.
The only Tec I have is on a leaf vac. Don't use it much but I have to do the same thing to mine.
Read the other replys and can throw in my $.02. I have had several big tecumseh engines and the rebuilt carb sounds correct. They are very cold running engines and the choke is real important. I have found with ALL three of my engines they love Hi-Test fuel. Is your carb fully adjustable? Fuel air screw, idle screw, high speed screw {main jet}? If not you have the cheap carb and need the gooder one. Go on Ebay and get the carb for rototillers, log splitters, snow blowers, etc.8or 10hp fits both. The carbs on generators are set to only run on Hi-test at 3600 rpm and have NO adjustments. Inside they only have one plastic jet and that is it! Changed my 5200watt generator with the 10hp engine to one of those carbs and it ran perfect ever since with hi-test. Always started first or sometimes second pull.
MarkB_MI
Well-known Member
- Location
- Motown USA
Does it surge under light load? If so, the idle circuit is blocked. If you can't get the passages cleaned out, you'll need to buy a new carb.
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