HeadnSouth
Seaman
- Joined
- May 15, 2005
- Messages
- 74
98 Merc 5.7 250 HP 320 hours has ran great all summer. Recently its been lacking power when its cold. I'm in Georgia so I'm not sure if cold applys. 
I replaced the Cap/rotor and it got a bit better.
Straight off the trailer it cranks right up and I can throttle it up but it just bogs down like it has no gas or little spark.
After 20-30 minutes of run/idle time the boat will then react better but not 100% all the time when throttled up.
I've checked the choke and it's opening.
Plugs and wires are fairly new 2-3 years.
A couple of months back I replaced the starter and the electric fuel pump gets its power from there. Maybe there's an issue there?
What do you guy think?
I replaced the Cap/rotor and it got a bit better. Straight off the trailer it cranks right up and I can throttle it up but it just bogs down like it has no gas or little spark.
After 20-30 minutes of run/idle time the boat will then react better but not 100% all the time when throttled up.
I've checked the choke and it's opening.
Plugs and wires are fairly new 2-3 years.
A couple of months back I replaced the starter and the electric fuel pump gets its power from there. Maybe there's an issue there?
What do you guy think?
