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Old 10-08-2012, 11:49 AM
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dutch1 dutch1 is online now
LawnSite Silver Member
Join Date: Dec 2004
Location: Jayhawk
Posts: 2,227
Several things to check. Here's a few:

Clean/free flowing fuel filter.
Fuel lines in good condition--softened fuel lines may collapse when engine calls for fuel.
Obstructed anti spark screen in muffler or partial blockage in exhaust port.
Pump or metering diagphram in carb weak/stiff.
High speed jet in carb partially obstructed.
Check for adequate compression, although normally low compression will cause had starting as well.
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