DIYbanter - View Single Post - Briggs & Stratton 'Champion 35' petrol mower. Has anyone serviced one?

Roger Mills[_2_]

On 26/04/2016 12:35, wrote:
Good day,
I have a Briggs& Stratton 'Champion 35' petrol mower. I bought it second hand, and it has always been hard to start. Now it's impossible to start! I downloaded the B&S owner's operating& Maintenance manual hoping to find some detailed instructions but there was little in there of any help.

What are some things I can check? I tried to remove the carb but it doesn't want to come completely free even with the screws removed. It seems to be catching on something. I was trying to get to the jets to see if they are blocked. I noticed that the rubber right-angled sleeve that joins two metal pipes at the carb is not very airtight, and nor is the joint between the carb and the engine. I can see the rubber O-ring in intact, but the joint still felt a bit loose when I jiggled it.

Any suggestions as to what I can try to get it to start? It's full of petrol and the air cleaner is A-OK.

Many thanks!

Al

Replace the spark plug and the diaphragm in the carburettor. Take the
top cover off and check that it's not full of debris which would prevent
the governor vane from working properly.
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Cheers,
Roger
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