Evenrude 40 vro

[sljim]

"Have a 40 hp have removed the

"Have a 40 hp have removed the vro pump and replaced it with regular fuel pump runs fine at idle and all speeds but 2 or 3 times a day when going full speed it will loose power and miss, will run fine at low speed .have to run at low speed for 20 to 30 seconds the will run full speed.Its not fuel problem it's a electical miss .also using more fuel than before Any help would me great
Jim"

 

[sljim]

no one have any ideas

no one have any ideas

 

[jwbmarine]

"put a timing lite on it,and s

"put a timing lite on it,and see,if,in fact,u r losing fire,and proceed,from there."

 

[sljim]

does'nt happen at a given

does'nt happen at a given time and goes back to normal within a few seconds .It is electical like a over rev limitor will not go over a set Rpm for a few seconds

 

[joereeves]

Model number? Year of that 40h

Model number? Year of that 40hp?

What sprk plugs are you using and at what gap?