Logo
FULL SITE MENU

sluggish to plane

R

[email protected]

New member
2006 4stroke acts like the boat is full of water. Slow to plane. my son, who is a mechanic, says its the ethanol fuel. Anyone else having the same problem? My boat is a 18ft Maverick flats boat.
 
What do the spark plugs look like? How long have you owned the boat? Is this a new problem? What does the gear oil look like? Is the hull clean? It could be alot of things fuel being one of them. Connect a portable tank of non ethanol fuel and see if performance improves?
 
Yea give the motor a good once over. Check compression and spark gap with a open air spark gap tester. It should jump a 7/16 gap with a brite blue snap. New plugs never hurt but a good diagnostic will eliminate any variables. It must have good compression and spark then you can focus on spark advance and fuel delivery. Eliminate any variables.
 
Back
Top