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Bolens h14 xl with now implanted tecumseh hh 160


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#1 TravelinJavelin OFFLINE  

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Posted September 26, 2016 - 04:02 PM

hello there looking for some help with a Tecumseh hh 160 engine 2 things when you go to start it ......it will quickly backfire split second and take off run real good no issues but it does this every time you start it i'm thinking a timing or valve issue? also second looking or need info to get electric pto 1 1/8" shaft I found one off a kohler and had to build a inner race because the the stationary plate is some how rubbing on the solid piece and still haven't had good luck to cure it so if somebody could put me on the right one that would be great or show the pic of the right one or where maybe to get a new one for the bolt pattern of this engine



#2 boyscout862 OFFLINE  

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Posted September 26, 2016 - 11:39 PM

Welcome to GTT. I don't have answers to your questions but I can point you to our Manuals Section for the engine problem. Check with our sponsors for the clutch. Good Luck, Rick

#3 1oldbuzz OFFLINE  

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Posted September 27, 2016 - 06:46 AM

Check the points if it's got points

had a kohler that did the same thing point gap was way off



#4 TAHOE ONLINE  

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Posted September 27, 2016 - 07:33 AM

Intake valve should be set at .005, exhaust at .010. It could cause backfire if they are too lose or maybe tight. They can also cause hard to turn over if not set right.

 

Timing is pretty much non adjustable. The two trigger pins in the flywheel are fixed along with the flywheel/crank key. The SSI module has a little adjustment, but not more than a couple/3 degrees.

 

It could be your compression release is not functioning properly causing the issue, but I couldn't be sure, I haven't had to mess with mine.


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#5 Tecumseh power ONLINE  

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Posted September 27, 2016 - 09:09 AM

Check your air gap and trigger pins. Make sure they are both still on the flywheel. There is two so it starts easy then it jumps to the other one at a certain rpm . I have seen them with one missing before.

#6 Hydrohusky OFFLINE  

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Posted September 27, 2016 - 12:16 PM

I agree with Tecumseh power. 

 

I believe the the two pins are meant to have different air gaps. 

 

The pin that should help with starting and idle should have a smaller gap.

 

In you can find a Tecumseh service manual, there is a diagram that explains it clearly.



#7 TravelinJavelin OFFLINE  

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Posted September 27, 2016 - 06:59 PM

ok I guess i'm lost when you mention pins? are these somehow on the fly wheel ? by the way its producing 130 lbs of compression too



#8 TAHOE ONLINE  

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Posted September 28, 2016 - 09:07 AM

Remove the large flywheel cover and you can access the module/pins etc.

 

oh160 TRIGGER PINS.jpg

OH160 PINS SETTING.jpg

OH160 VALVE ADJUSTMENT.jpg

OH160 VALVE ADJUSTMENT1.jpg


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#9 TravelinJavelin OFFLINE  

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Posted October 01, 2016 - 06:58 AM

thank you very much for the info






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