90hp v4 johnson

[markhunter]

starts up idles fine but under

starts up idles fine but under a load bogs or dies any ideas what to do?

 

[cehmass]

"check spark, compression,and

"check spark, compression,and fuel"

 

[markhunter]

checked spark and compression

checked spark and compression all good fuel is new but how long do the fuel line and pump ball last if haven't been replaced yet/

 

[cehmass]

"make sure timer base under fl

"make sure timer base under fly wheel is advancing properly,how old is your fuel line ??
you checked spark in all holes,what was the compression.(fuel filter??)"

 

[joereeves]

Problem is usually due to foul

Problem is usually due to fouled carburetors if the timer base mentioned by Charles is okay.