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19.5 twin b&s starting problems

This is a discussion on 19.5 twin b&s starting problems within the Small Engines forums, part of the Tech Support Forum category. I have a 19.5 b&s on a craftsman lt1000 i have checked valve clearence for flathead 3 and 5 valves


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Old 03-27-2009, 01:25 PM   #1
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I have a 19.5 b&s on a craftsman lt1000 i have checked valve clearence for flathead 3 and 5 valves clearence checks out fine i have pulled heads and cleaned off carbon only way i can start engine is to pull one plug out does not matter which one have done both replaced starter with new one jumped starter at starter with jumper cables still wont crank fast enough to start any suggestion other than using big hammer on it

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Old 03-27-2009, 03:02 PM   #2
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Any chance you got the plug wires reversed ?

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Old 03-27-2009, 03:18 PM   #3
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no as I said it will run but has to be started with only one plug in just wondering if there is pressure relief valve of some type I know ohv engines have one but this is not an ohv
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