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#720357 - 07/01/12 07:23 PM Scotts 6.5 only runs on primer
MartyMart Offline
newbie

Registered: 06/25/09
Posts: 49
I think it's a Tecumseh Type 6 carb, whatever they put on a OVRM120-22043E. It's an emission carn, so no adjustments. I had the emulsion tube o-rings turn to black garp, and the fuel was truly nasty. I dumped the tank, put in a half tank of fresh, with a fat dose of seafoam. Then I took the cobarburetor down, and ripped out all the welch plugs, idle restrictor screw, emulsion tube... I ran bread tie wire thru all the holes I could find, replaced the o-rings and welch plugs, but apparently, I'm missing something, because it only runs five seconds after I prime it. Easy to start, just won't run. The main jet nut has three holes in it, as far as I can tell - two at the bottom near the hex head, one really small on on top at the end of the threads. What am I missin' here?

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#720623 - 07/04/12 06:08 AM Re: Scotts 6.5 only runs on primer [Re: MartyMart]
JasonB Offline
` Sharp Shooter`
Carpal Tunnel

Registered: 04/27/04
Posts: 12913
Loc: Cape Spencer, New Brunswick, C...
It sounds like you've about covered your bases, but something is still clogged... I can't see much of anything you've missed.

I know some tecumseh engines are very sensitive to the bowl gasket seal, and it's recommended to replace it whenever the bowl is opened (something I generally get away without doing, but not always)... But I don't think your problem lies there...

??

J
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er, somethin'....

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#720626 - 07/04/12 06:26 AM Re: Scotts 6.5 only runs on primer [Re: MartyMart]
saugen48 Offline
Carpal Tunnel

Registered: 12/09/03
Posts: 2501
Loc: Halifax, Canada.
almost seems like a fuel line may be plugged..Is there a filter in there somewhere??
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#720630 - 07/04/12 06:56 AM Re: Scotts 6.5 only runs on primer [Re: MartyMart]
Gulfman Offline
enthusiast

Registered: 03/09/06
Posts: 290
Loc: Florida
Loosen the gas cap a bit to see if venting is an issue with the cap.

Albeit you dumped the tank and put in fresh gas, some loose impediments could remain within the tank, settle and restrict fuel flow. (I've had this happen before)

Disconnect the fuel line at the carb and check for flow.

Plug OK?

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