Question about Briggs & Stratton Briggs Stratton Lawnmower Lawn Mower Short Block

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I've been trying to start my briggs & straton Masport lawn mower, after it was sitting idel for over a year. Replaced oil ok / added new fuel / spark working, however it dies after fisrt kick over. have i forgotten about a cut out switch somewhere? am i using too much / too little throttle? what else should i check?

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I had the same problem. It turned out to be a blocked carby and the way to fix is as follows;
- remove air filter
- start mower (assuming it now starts)
- place open hand over carby hole and then remove. The force of the spinning blades will **** through the blockage.

You may need to prime it first.

Hope that helps.

Posted on Apr 02, 2011

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You probably still have old fuel and water in the carb itself.

take off the air filter and look for the bowl screw or clip *(depending on model)

You can drain the bowl and let some clean fuel run through the gas line as well.

If the new fuel was last years you might want to check the gas can for water as well.

I work at a mower shop and at this time of year we do a lot of these kinds of repairs.

Fuel today just isnt kind to equipment that sits around for any length of time.

Posted on Mar 27, 2011

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Lots of smoke and oil comming out the exaust . only 1 and a half year old


Has fuel with oil accidentally been mixed to the fuel for this mower? We have had mix oil accident get added it to this lawn mower and it will smoke a lot with 2 cycle oil.

Unless you are certain no oil is mixed with the fuel I would drain and clean the fuel system.
Replaced the spark plug with the new and replace the air filter In addition ensure you do and oil change every 30 hours using a high grade 30 wt oil to include make sure it is not over full.

Hope this tip helps.

r/
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