1999 Mercury Marine Force Power series 90

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classic015

Recruit
Joined
Nov 11, 2002
Messages
3
posted December 15, 2002 06:19 PM <br />--------------------------------------------------------------------------------<br />Ok. group//// <br />I need some help here.... I have a 1999 Mercury Marine Force Power Series 90, 75-90 HP Force 1231cc, Part # 37-85698416....... <br />from what i can tell, the foam in the cover broke lose and fell down blocking the air intake on the #3 carb..... which in turn melted down the piston top and the motor started a knock... now the shop said thats not what happened but i do know some about motors.... The compression on #1 and #2 was close to 130 #3 was dead... 10..... pulled the head... #3 has marks in the cylinder too much to clean... there dosen not look like a sleeve just Alum block.. so whats best here? do they make a sleeve or a oversized or help.....
 
rickdb1boat

rickdb1boat

Supreme Mariner
Joined
Jan 23, 2002
Messages
11,195
Re: 1999 Mercury Marine Force Power series 90

Just bumping it up, as I don't have the answer about the sleeve on force cylinders.^^^^^
 
W

Waterbugtoo

Petty Officer 1st Class
Joined
Nov 19, 2002
Messages
245
Re: 1999 Mercury Marine Force Power series 90

Sure there's a sleeve. Just bore it accordingly. Pistons are available up to +.040<br /><br />
 
M

moderator1

Lieutenant Commander
Joined
Dec 5, 2002
Messages
1,668
Re: 1999 Mercury Marine Force Power series 90

classic015,<br /><br />I deleted your first post. There were no replies to that one.
 
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