Trouble accelerating

toonin22

Petty Officer 3rd Class
Joined
Oct 28, 2008
Messages
87
I have a 1993 johnson 50hp, i took the boat out last night and it ran fine started up nicely idled perfecty and ran excellent, towards the earlier part of the morning it would start fine idle good but would not accelerate it wouldn't cut off it just gave a jerking motion anytime i tried to apply the throttle. if anyone has any idea what could be causing this Please help.
 

steelespike

Supreme Mariner
Joined
Apr 26, 2002
Messages
19,069
Re: Trouble accelerating

Did it kind of thump or jerk like you hit something?
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: Trouble accelerating

Sounds like one cylinder is going lean on mid and/or high speed carb circuits, toonin.

A carb overhaul seems in order.

Good luck. :)
 
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