Our mower wont start, if i appropriate the spark plug out & inject some petrol, after almost six pulls, it will start, the mower is a, Craftsman 6.0 Eager - 1 One Pull...

the mower is a, Craftsman 6.0 Eager - 1 One Pull Start, 21 inch cut.
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Answers:    You don't say if it keep running after that! This could be caused by seriously of different things.
Bad gas.
Bad plug.
Dirty air filter.
Pinhole within pre-start gas bulb.
Dirty oil (very dirty).
If it runs for a minute next dies, you probably have a dirty nouns filter or a pinhole in the carburetor diaphram or a dirty gas filter or hose down in the gas.

Just remember, the engine desires three things to run: clean gas, verbs air, and a spark.

Hope that help!
Unable to go and get A/C Compressor at...
Probably no you with adjectives possibility flood the plugs and then at hand is no way your engine will start, until you dry out the cylinder and dry the plug.If the engine did start after pouring some petrol into the cylinder you might of late manage to blow yourself up.If you are have problems first check there is fuel within the tank check the spark plug is verbs and the gap is set OK to the book instructions, if you don't know anything roughly speaking engines take it to someone who know about engines.It will probably reclaim you money and your temper contained by the long run.
Al the best and happy gardening.