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I have a Honda GX 670 engine. The engine starts and runs well for about 1-2 minutes. Then it begins to pop back and backfire the governor starts surging intermitently at first them after a short rtime, surges continuously. Any suggestions.

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

  • 11 Answers

SOURCE: Coleman generator OHV3000

The carburetor is probably clogged up. Mix a bottle of carburetor cleaner with the gas to see if that would help. Also check/replace the fuel filter.

Posted on Sep 10, 2008

  • 36 Answers

SOURCE: 2 1/2 Briggs......doesn't run smoothly....surges at all speeds.

Hi, Check that you have the correct spark plug fitted or fit a new one as it sounds like your plug is getting hot then shorting out.
Sometimes the magnito can do this as well. but I would start with the plug.

Posted on Nov 29, 2008

  • 12 Answers

SOURCE: rough idle / engine surges until power is applied

Sounds like a possible vaccume hose leak?

Posted on Feb 07, 2009

  • 60 Answers

SOURCE: (1) How do I turn off the computer fan from surging?

As far as the fan issue goes, especially if it's a laptop, blow out the fan exhaust area. Use compressed air to blow out the ventilation area in the opposite direction that air flows through it normally. You'll be amazed how much dust comes out. You can try one of those crappy over-priced ridiculously low pressure canned air deals but to really get it clean, find someone with an air compressor. A mechanic friend or someone in construction that uses an air nailer maybe? If it's a desktop, try blowing out the processor heat sink preferably with the fan removed. Be careful, start at lower pressure and slowly work your way up. Also, if you take the fan off of the heat sink, be careful not to knock the heat sink off of the processor or you will need to clean both surfaces (heat sink and processor), reapply a thin layer of heat sink grease, and reinstall the heat sink and fan assembly. I'll leave the second half of you question open incase both issues are one-in-the-same.

Posted on Feb 21, 2009

  • 389 Answers

SOURCE: Honda Harmony II HHR216 Governor Surge

You have dirt and/or moisture in your carburetor float bowl. Remove the bowl, clean it out, remove the main jet and clean it out and you should be good to go

Posted on Sep 14, 2009

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that isn't a problem with the governor, that is pre-ignition. The spark is firing too early. Normally because the engine needs timing, or because of overheating.

It seems to be a known problem, so have a read.

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2 Answers

Powermate 6250 loaps.

I've never been a big fan of the 180 OH family of engines in these things, but here goes.
1 - If the engine will stay running while it surges, close the choke a little at a time and see if it settles down. If it does, there is something amiss in the carb. The carbs on these engines are very picky about tiny bits of dirt. The good news is that they are fairly simple to take apart and clean, the bad news is that lots of the parts are plastic and break easily. At least they aren't too expensive.

2 - I've seen 2 ways to adjust the governed speed on these engines; a spring that connects to the governor arm at one end and a tab bent up from the sheet metal that mounts on top of the engine at the other - bend the tab so the spring is tighter to speed the engine up, and (b) a jam nut and screw mechanism that presses against a lever that pulls on a spring that connects to the governor arm - screw the screw in tighter to raise the engine speed.
Note that in either case the mechanism adjusts the tension in a spring that pulls against the governor arm, this is helpful in finding out where to make the adjustment.
Here in the US we want our 2 pole generators like this to run at 3750 rpm at no load so that we get very close to 3600 rpm at load. If you're using a DMM to measure the output of the generator in Hz, you want 61.5 at no load.

If nothing you can do with the choke makes the surge go away, you might have a misadjusted governor. The Tecumseh service manual has a great procedure for making this adjustment, essentially what you do is loosen the retaining nut on the governor arm, twist the governor shaft to its minimum speed position, then hold the throttle assembly at the idle stop and tighten the governor arm jam nut. Always keep a finger near the kill switch when running the engine the first time after this procedure, it's easy to mess up and have a runaway engine.

Please rank me if this was helpful,

Nov 12, 2008 | Coleman Powermate Premium Plus 6250W...

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