Questions & Answers for: 90 hp mercury outboard 2

...90 HP outboard engine. I need to change the oil and filter but cannot take the boat out of the water. What is the best way to do this? If its a 2 stroke, there is no oil to change, if its a 4 stroke, ...

...90 HP MERCURY 2 STROKE OUTBOARD ON A 2007 TRACKER-GRIZZLY BOAT. BASS PRO SHOPE (WHERE HE BOUGHT THE RIG) SOLD HIM A ''REPLACMENT'' STARTER SWITCH WHEN THE ORIGINAL ONE BROKE IN HALF. WIRE CODE DOES ...

...2 Stroke I have a problem with my 2 stroke 20hp mercury 1989,when I run 10-90% throttle it's works fine but when in 100% its only runs in 90% and doesn't sound normal like it's not burning

...90 HP Mercury outboard 2-stroke. I replaced the Fariamulti function gauge (Tach-fuel-volt meter) with a  GT0054A gauge.The old gauge was a GT0057A, which I can't find. My question is ...

...mercury 1989,when I run 10-90% throttle it's works fine but when in 100% its only runs in 90% and doesn't sound normal like it's not burning right. check when its on full throttle that the carb ...

outboard all the time. If the higher octane isn't needed, no harm done. After all, with a boat motor, it's working hard all the time and the higher octane certainly can't hurt.

Hope this helps.

...90 hp Mercury outboard; rough idle and dies when I put in gear Yours sounds like a fuel problem... however did you try disconnecting the shifter lines and operating it manually. I'm actually running ...