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Running Out Of Time To Get This Girl Going.. St16

linkage starter carb

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#1 aliwildatwork OFFLINE  

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Posted September 25, 2014 - 04:43 PM

ST16- new head, carb rebuild, now starter is making god awful noises and won't stay running unless full throttle.  Bought her in "working" condition, but missing a carb needle (ha, ha Ha).  Ordered parts, had a friend put together, then needed new gasket set (exhaust leaks) new head (exhaust port stripped beyornd) and NOW still doesn't run well.  Hard, almost painful start-runs at high but no middle.  Possible  coat hanger throttle linkage??? Running out of time before she's supposed to pull a bunch of ol'lady dogs in a Howl'oween parade... HELP ME PLEASE.

 


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#2 aliwildatwork OFFLINE  

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Posted September 25, 2014 - 04:47 PM

should mention- mid seventies, Onan 160

 

Much and all advice appreciated.

 

possible gov'nor missing? Dunno, never saw one whole before.

Linkage? mysterious coat hanger-like thing in the mix.

Fuel? 

HELP. Please...



#3 KennyP ONLINE  

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Posted September 25, 2014 - 04:58 PM

Never seen an Onan 160 before, so I'm not much help here!



#4 Gtractor ONLINE  

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Posted September 25, 2014 - 06:25 PM

ST16 should have a Tecumseh HH160 single cylinder engine.



#5 Auburn David OFFLINE  

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Posted September 25, 2014 - 06:30 PM

this the Governor?

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#6 superaben OFFLINE  

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Posted September 25, 2014 - 08:39 PM

Those old ladies will ride yet.  :D

 

You have a Tecumseh OH160 probably. 

 

Sounds like all your woes are probably fuel related.  You should have a Walbro WHG carburetor.  Have you rebuilt that carburetor the right way, a good soak in a quality cleaner? 

 

I am a Tecumseh dealer and a NOS parts guy if you need parts.  I sell a lot of OH160 engine rebuild kits and have done a fair share of rebuilds myself.

 

Ben W.


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#7 Gtractor ONLINE  

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Posted September 25, 2014 - 09:44 PM

OH160  ......  I was close  :wave:



#8 TokyoDrift99 OFFLINE  

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Posted September 25, 2014 - 10:23 PM

I'd say clean or rebuild the carburetor.

#9 aliwildatwork OFFLINE  

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Posted September 26, 2014 - 06:11 AM

Thanks Auburn, I believe that's the gov'nor. 

AS to the Carb, I am assuming that it is already rebuilt.  When I bought the tractor the carb was in pieces and I had to get the needle from an outdoor supply place because it was thrown out when Kevin went to clean the parts.  The gasket set I bought later had more carb pieces than I had places to put them...

 

Why is the starter grinding now? Is there something we did wrong? 

I read somewhere that these ol'girls so about 6 miles p/h.  This one is more like 35.  Thats why they were thinking gov.


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#10 MH81 ONLINE  

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Posted September 26, 2014 - 06:50 AM

If there is something that will cause catastrophic failure of a Tecumseh faster than over revving, IDK what it is... Unless its low oil maybe.

I am literally a thousand miles away from any helpful info, but first things first...

PLEASE post pictures of the engine. Also the throttle area and what you have to work with. This is to help us make sure we are on the right trail.

Now hopefully, someone can look at these coming pictures and then measure their coat hanger piece to see if you're working with the right parts.
Once you're sure of that, I also am suspect of mixture. Carb ports (when rebuilding, you must run a tiny little wire thru all the ports you can and even remove and replace the welsh plugs to get those ports), gasket missing at the intake, air leak somewhere,
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#11 TokyoDrift99 OFFLINE  

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Posted September 26, 2014 - 06:56 AM

Yeah a over reved tecumseh WILL thow a rod, and render the block useless.

#12 TAHOE OFFLINE  

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Posted September 26, 2014 - 07:20 AM

It's hard to diagnose without us being there.

 

Starter- grinding, what kid of grind. I mean is it making a bad meshed gear noise or just a spiining noise? I know I had issues with mine, for some reason one of the flywheel cover screen scerws were too long( I took it out of there) was binding up my starter/flywheel when I tightened it. It hard to get those starters mis-aligned, pretty much just a bolt on and no adjustment. 

 

Running fast- sure sounds like a govenor issue. Pics of your linkages will help. Sorry, I didn't get outside to get pics last night.

I would question the carb to maybe. If you didn't rebuild yourself, who knows what the PO did. I know if they pulled the main jet out of the bottom, it usually will not run at high end cause you can never get those re-aligned.

 

Hard to spin over like a low battery sometimes can be the vavles set too tight. I would re-check the clearance on those too, but that would lend to your no low idle so that may not be a factor.

 

I am so leaning to carb or linkage issues.


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#13 aliwildatwork OFFLINE  

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Posted September 27, 2014 - 05:58 AM

Cover screen screws! That sounds like an idea.  I think I'll get some picture to you later today. Nathan is helping me out at the restaurant on Sunday so I will let him read all of your posts.  I feel confident theres a solution in here.  If I can't get pics today it will like be Monday, sorry.  Tomorrow is a huge event in Atlanta where they shut down my Street to cars and let pedestrians run wild for hours up and down the street.  "Streets Alive" last year was 80,000 people.  That's a lot of tacos, my friends! 



#14 MH81 ONLINE  

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Posted September 27, 2014 - 06:19 AM

When starters begin to loose their bushings, they can growl and groan. Also make a weird howling noise.

#15 aliwildatwork OFFLINE  

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Posted September 27, 2014 - 08:48 PM

Hello, cant seem to importt photos for some reason????





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