Question about Coleman Sport 1850 Generator

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A coleman 1850 sport generator, it won't fire. new gas new oil new plug, removed and cleaned carb, checked spark ok. relatively new machine, it was running fine last use about six months ago. put gas in the cylinder, also used quick start spray, no go. Haven't checked the compression yet. I'm thinking timing, is it electronic ignition and how do I check the timing? DR

Posted by dcreimer on

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Chuck Graybill

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  • 104 Answers

Check for low oil level. If level is OK, check low oil level sensor. Disconnect the wire to test.

Posted on Sep 23, 2017

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Anonymous

  • 37 Answers

SOURCE: how do i excite a coleman sport 1850 generator?

This unit is capacitor excited, simply pull the terminals from the capacitor and apply 12vdc to the the wires for about 1 second. Then plug capacitor back in reassemble and run generator and check voltages. If the rotor magnetism has been restored and everything else is good you should be producing power now.

There is an alternative way to excite back end but it is a little more dangerous. It involves starting the unit and then applying 12 vdc to either of the 120v outlets for less than a second. This is the best way but it is more dangerous because once the back end is excited the outlet will now be putting out 120 vac. So if you leave your 12 vdc source connected too long you will back feed that source with 120vac. What we've learned to do is to have 2 wires coming out of the outlets with the tips exposed then we take our wires with the 12 vdc source and just brush them quickly against the 2 wires coming out of the outlet.

Posted on Nov 21, 2009

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Anonymous

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SOURCE: coleman sport 1850 powermate generator, no fire to sparkplug

is there an oilprotection on the gen. disconnect the cable and try again

Posted on Feb 10, 2010

Sheldon Dedek

  • 912 Answers

SOURCE: want to remove the starter recoil from my powermate generator

I got one of these pieces of junk, and had same problem you described.

You will need to remove the end panel to get to the blower housing. You will have to thread the rope through the handle until you have enough slack to remove the rope from the handle. The end panel should now be free to remove entirely.

Find the 3 bolts that hold the blower housing on, and remove them. Once you get it off, make sure that the rope has a knot in it so it won't get retracted into the pulley recoil assembly. Take a screwdriver and push the rope back down into the pulley (that was my problem). Assembly is opposite of taking apart.

Posted on Jun 12, 2010

Anonymous

  • 185 Answers

SOURCE: I have a coleman Generator 1850. It stalls when i

Hello, I would check the carb for being dirty inside. It sounds like the needle valve is dirty, or not adjusted correctly, or there is rust in the carburator and any of these can cause the fuel not to feed into the engine properly. A good cleaning of the carb and proper setting of the needle valves should clean it up. Also check the screen in the fuel tank on the fuel valve.

Posted on Jan 22, 2011

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1 Answer

I have a coleman Generator 1850. It stalls when i


Hello, I would check the carb for being dirty inside. It sounds like the needle valve is dirty, or not adjusted correctly, or there is rust in the carburator and any of these can cause the fuel not to feed into the engine properly. A good cleaning of the carb and proper setting of the needle valves should clean it up. Also check the screen in the fuel tank on the fuel valve.

Jan 21, 2011 | Coleman Sport 1850 Generator

1 Answer

Coleman 1850sport plus when running pulses up and down it will only run properly with the choke half on and when shut off gas drains from carb, have cleaned carb three times no success help


double check the float ajustment and replace the needle valve for the float carb should be rebuilt kist run around $20.00 and the float about $6.00+ ajust the carb.
hope this helps

Sep 01, 2010 | Coleman Sport 1850 Generator

1 Answer

I have a Coleman generator 1850 pulse and it runs ok for a little


Gravity feed fuel systems are the most simple and reliable way to deliver fuel to the engine, however suffer from a couple of problems.. As the engine heats up fuel tends to be pushed out of the carb back into the fuel tank and if the vent in the gas cap is not working properly fuel lock (or a slight vacuum in the tank) will prevent fuel from entering the carb. There should be a plastic block or manafold seperating the carb from the engine to keep the carb from overheating. Some engines have this block bolted to the engine, then the carb bolted to block., others have two bolts thru the carb and block to engine. In ether case make sure parts are held tightly together so no vacuum leaks thru gaskets.. One should make sure that the gas cap is venting. Sometimes fuel sloshing in the tank will clog the vent-hole in the cap. Try running the generator with the cap loose to see if this helps.. Replace fuel cap as needed if vent is clogged. Good luck with your generator.

Jul 29, 2010 | Coleman Sport 1850 Generator

2 Answers

Can't start my coleman 1850 generator


Need more info,

Does it turn over??

Does it have spark??

Does it have fresh petrol??

Feb 25, 2010 | Coleman Sport 1850 Generator

1 Answer

Coleman sport 1850 powermate generator, no fire to sparkplug


is there an oilprotection on the gen. disconnect the cable and try again

Jan 18, 2010 | Coleman Sport 1850 Generator

1 Answer

Engine speed varies


If the unit was stored for a long period of time (6-12 mo.) with gas in it, you may have a gummed up carburator. This is the most common problem with generators (lack of use)
The carb. would have to be removed & cleaned, specificly, the high & low speed jets

Sep 04, 2009 | Coleman Sport 1850 Generator

1 Answer

Generator will not start


You say there is compression .What was the p.s.i. on the gauge. If below 100 p.s.i.. May have bad ring, valve out of adjustment or bad head gasket. Is there spark and what does spark plug look good, is gap ok . Is the fuel tuned on and kill switch on. Will need more info to help out more.

Mar 15, 2009 | Coleman Sport 1850 Generator

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