Question about Mercury 90hp

[BradleyPrejean87]

Now i'm not a fan of mercury at all but I was looking at a 90hp that is on and 17' express aluminum haul. It is a little sluggish to take off I was wondering does this sound like a carb issue or could it be something else? Compression checks out and all that is fine with the motor and once it takes off it runs great its just very sluggish out the gate?


Anyone have this issue before or opinion on the matter?

[Montauk17]

Could very well be dirty carbs. Could also be the wrong pitch and/or prop design for the boat.

[BradleyPrejean87]

Originally Posted by Montauk17

Could very well be dirty carbs. Could also be the wrong pitch and/or prop design for the boat.

Thought about the pitch also but it just seems like its the motor that is straining

[marshrunner757]

Without hearing the motor I'm saying prop. Could be carbs or fuel filter but if I was betting its a prop vs hull problem. May jump right out on a different hull.

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[BradleyPrejean87]

Originally Posted by marshrunner757

Without hearing the motor I'm saying prop. Could be carbs or fuel filter but if I was betting its a prop vs hull problem. May jump right out on a different hull.

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interesting have you guys had much trouble with mercury before I actually haven't owned one that didn't give me trouble yet

[BassYakR]

I had a 90merc on my 17ft express and it hopped out the water... it had a 21p stilletto prop. Ran 53mph also.

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[marshrunner757]

I've ran nothing but merc to date from 25 up to 125. I've never had a problem. The boat I have now with a 40 tuned to 60+ gave me fits til I got the prop right. I'm no prop expert by any stretch but I've seen what a huge difference a prop will make. Contact Cajunchristian. He's very knowledgeable.

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[BradleyPrejean87]

This is the boat i'm actually thinking about purchasing it. Guy is asking 3000.00 for it but just wanted others opinions about the motor issue

[marshrunner757]

What brand and pitch is the prop? Also what year is the boat and motor?

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[jopete]

that 90 ought to throw that boat on step with authority. and haul butt on top.
either it's a prop issue or dirty carb.

if u don't want it let me know where it is, for 3k it's a great deal.

[Natural Light Kid]

Originally Posted by jopete

that 90 ought to throw that boat on step with authority. and haul butt on top.
either it's a prop issue or dirty carb.

if u don't want it let me know where it is, for 3k it's a great deal.

Ditto

[BradleyPrejean87]

yeah I think i'm gonna go grab it for that price

[specknation]

Don't make a 3000 dollar mistake, get compression check bad cylinder or two will jump the price up quick to have it fixed.

[BradleyPrejean87]

Originally Posted by specknation

Don't make a 3000 dollar mistake, get compression check bad cylinder or two will jump the price up quick to have it fixed.

compression check was done already its fine on that aspect its just the sluggishness at the start i'm worried about

[specknation]

Ok sounds good

[BradleyPrejean87]

I plan on using it to fish big lake hope she handles light chop pretty well

[BradleyPrejean87]

Originally Posted by marshrunner757

What brand and pitch is the prop? Also what year is the boat and motor?

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the boat and motor is a 1999

[BradleyPrejean87]

the Prop is a LASER 2 with a 24 pitch prop!

[Montauk17]

Originally Posted by BradleyPrejean87

the Prop is a LASER 2 with a 24 pitch prop!

There is your problem,too much pitch. Once it does plane out how many rpm's does it turn up at wide open? Needs to be 5,500 or close to it.

[Natural Light Kid]

Run away from it. Under no circumstance should you buy that boat. However can I have the guys contact info lol. I agree with montauk, sounds like a pitch problem.