Murray TwinII widebody w/17hp I/C b&s engine and 46''cutting deck. Help!

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  #1  
Old 06-03-12, 07:10 AM
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Murray TwinII widebody w/17hp I/C b&s engine and 46''cutting deck. Help!

Lawnmower starts fine initially, but if you shut it off and go back ten minutes later it WILL NOT START. I have had these parts replaced and the problem still exist. mechanic replaced the battery, plugs, fuel line and filter, coil or magneto, and starter. problem seemed to go away when I got it home and started mowing, but started back doing the same thing the second time I mowed with it. It starts great initially. My mechanic says the engine is losing compression probably and causing the problem. His answer to the fix is a new engine, but I fell to believe that's the answer because when running this engine runs great. Any help would be greatly appreciated.
 
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Old 06-03-12, 10:25 AM
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It would help to know what engine you have. I don't imagine the engine needs replacing unless it is smoking badly as well.
 
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Old 06-03-12, 11:07 AM
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B&S 17hp I/C TwinnII Murray widebody auto drive model: #42A707 type: 165301 Code: 9702125A. It doesn't smoke or anything like that. I cut with it this morning and it ran out of gas so after refilling the gas it wouldn't start until about forty five minutes later.
 
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Old 06-03-12, 01:03 PM
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you should indicate what you mean by 'won't start'. Does it crank or not? If it cranks then does it crank fast or slow? Does it crank fast but not start? Generally whatever it is, it's not likely that the starter and coil would be replaced to treat the same symptom. And there are simple tests for the starter and coil to see if either needs replaced. Sounds like you mechanic is a 'parts changer'
 
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Old 06-03-12, 04:21 PM
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Check for spark when it won't start. If there is spark, check the carb for overflowing of fuel into the intake after shutting it off.
 
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