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5hp tecumseh motor


simpson_buddy's Avatar
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Join Date: May 2008
Posts: 2
VA

05-02-08, 02:34 AM   #1  
5hp tecumseh motor

I am trying to repair a 5hp tecumsah motor on an old craftsman shft driven tiller. we have taken it apart cleaned it and replaced the points and condenser as well as the spark plug. we also put in a rebuild kit for the carburator as well as a new shear pin. the problem is that we are getting spark and gas but the engine does not even attempt to start. this is our first attempt at repairing a tecumsah motor so i know we most likely have missed something or have not done the timing correctly.

 
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31YTech's Avatar
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Join Date: Feb 2008
Posts: 1,263
FL

05-02-08, 07:44 PM   #2  
Well simpson,

You need ample compression as well for a engine to run, Have you performed a compression or cylinder leak-down test ?

 
simpson_buddy's Avatar
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Join Date: May 2008
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VA

05-03-08, 04:31 AM   #3  
How do I test the compression and what do I do if it is not good

 
31YTech's Avatar
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Join Date: Feb 2008
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FL

05-03-08, 03:53 PM   #4  
Contact your local chain auto parts stores (Advance-AutoZone) and see if they have a compression tester (one style shown below) in their "Loan-a-tool" program.

Set the throttle at wide open position with the choke open, Screw the tester in the spark plug hole then pull the rope as if trying to crank the engine. Pull the rope 5 or 6 times then read the gauge, You need around 60 lbs. showing in order for it to crank but at 60 it will have lower power. If you have 90 lbs. or over there is another reason it won't crank.






Good Luck

 
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