10 yr old mower, has not been started for 3 or 4 yrs, won't start

Rocky , start by replacing spark plug and remove old gas for new.
check links below for why mowers do not start.
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Top 5 Mower Troubleshooting Tips Briggs Stratton
Lawn Mower Won Start
When Lawn Mowers Won Start

probably need to clean out carby and fuel tank

Replace engine, only 1 yr. warrenty. Engine about $119 at Harbor Freight. Easy to change out. all Harbor Freight engines are Hondas. Bolt pattern same. 160cc or 190cc will work. Remove blade, remove mounting screws, replace engine. Carb may be the same for throttle connections. Reinstall blade. 10 pulls required to start engine 1st time. 1 pull after that. Pull 1/2 way 4 times 1st to prime even if you use the primer bulb. Ensure oil is full, 30w oil. Excellent engines good for 7-8 yrs with proper maintenance. Observe cable connections before old engine removal. Take pics.

try running it with the gas cap loose the vent might be plugged

I am strictly Briggs&Stratton. They are hard to start when the fuel tank is half empty. Clean the plug and air filter.

I think that's easy to find online. Very common mower. Here's a link to Amazon and Murray belts

Amazon com lawn mower belts murray 46

the carb may be gummed up

I've noticed that when the blade get dull it work harder a cutting tall grass. I just put a new blade on mine and now it runs and sounds like a brand new mower. also if the inside of the deck is coated with old grass that makes a differance too

this is easy to point out the problem. if it is still under warranty get warranty replacement of the starter is not you might be better off just buying a new mower might be easier and cheaper because if your not still under warranty with it it will cost you quite a bit of money if you can't replace it yourself it will cost you the amount of the new starter and it will cost you the amount that the shop's labor fee which can vary a lot depending on where you take it.

Replacs the coil
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