Problem with #1 cylinder

[claire]

"I have a 75hp Mariner that th

"I have a 75hp Mariner that the #1 cylinder does not fire. it has spark,good compression and there is fuel in the float.How can I check for the problem or what could the problem be? I can turn the mixing screw all the way out and it will not change and I have changed the spark plug with a good one.Can someone please help? Thank you"

 

[beckerjs]

"remove and clean carb/main je

"remove and clean carb/main jet

verify the cyl is trying to draw fuel/air through carb, put your hand over carb inlet and crank

no fuel to that cyl means no OIL"

 

[claire]

I have already cleaned the car

I have already cleaned the carb/main jet.There is only a tiny bit of suction in #1 cylinder compared to #2 cylinder.What could be causing this? Thank you

 

[beckerjs]

"low compression, stuck or bro

"low compression, stuck or broken reeds, hole in engine/internal leak"

 

[claire]

some of the reed are open so c

some of the reed are open so could that be the problem and if so.Thank you so much

 

[ikia]

If reeds are open you have no

If reeds are open you have no crankcase compresssion and no fuel tranfer to the cylinder and the cylinder will not produce power.