Stihl FS45 Bogs until warm

jakesmurray

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Jun 13, 2011
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My trimmer will bog and usually die when I try to throttle it when first starting cold. Once it is warm, it will start and run great in one pull. It seems as if the carb is completely dry when I first go to start it. I have a small lawn business, so it does sit in the direct sun and it is around 100 degrees. Could that dry it out while I'm mowing, causing it to bog until it gets enough gas into it? It is only a year old. Any help would be appreciated. Thanks
 

2458n

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Check the carb diaphram. mine was torn and not pulling fuel through the carb. Primer bulb not filling properly. Needle could also be sticking. Put some carb cleaner or run some Sea Foam with your gas oil mixture. Carb kit complete should be <15.00.
 

jakesmurray

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Jun 13, 2011
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Check the carb diaphram. mine was torn and not pulling fuel through the carb. Primer bulb not filling properly. Needle could also be sticking. Put some carb cleaner or run some Sea Foam with your gas oil mixture. Carb kit complete should be <15.00.

Ok, I may do that tomorrow. Thanks!
 
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