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  1. K

    1988 Force 15HP Loss of Power - Runs ok in the tank

    I've been chasing down a loss of power problem at WOT and am still stumped. <br /><br />Symptoms: At WOT on the water under load it seems to be running on 1 cylinder in terms of power. Motor sounds fine but just is bogged down. It seems to run fine at in the test tank in gear WOT.<br /><br...
  2. K

    Fuel Pump Diaphragm - what is excessice stretching?

    Took my fuel pump off of my 1988 15HP Force and the diaphragm does not have any holes in it but the manual says to check for excessive stretching. What is excessive stretching as it seems a little stretched but without a new one to compare with I do not know what is normal.
  3. K

    Reed Valve Question for Fuel Pump Force 15HP

    I was inspired by my long distance mechanic, my dad, to check the fuel filter on the fuel pump of my 15HP Force. The motor bogs down at high speed. I took off the pump and found some stuff in the filter but not a lot but it may be contributing to the problem. <br /><br />What I did find is...
  4. K

    Force 15HP Ignition Problem

    1988 Force 15HP. My poor motor has been in the shop most of the summer. I started out with only a lean sneeze, cleaning the carb took care of that and now it has run into ignition problems. My local boat service guy did some research and found they have an electronic ignition kit...
  5. K

    15" vs 20" shaft how do I know which one to use?

    Here's a dumb quesiton. As I look to buy a newer motor in the 15HP range I see choices for 15 or 20 inch shafts. I am replacing a Force 15HP motor on an old Gregor 13.4 aluminum boat. I'll guess the 15" model would do. <br /><br />Can someone tell me how this desgination is measured, from...
  6. K

    Where do you get Ignition parts for a Force 15HP ?

    Anyone know of a good source for these online or should I just call my local boat service stores? I need condensors, breaker points and coils.
  7. K

    Pulling the Flywheel on an 85 Force 15 HP Motor

    Ok, I have two manuals and they are just too general covering a wide range of motors. I need some specifics for my motor. I had a lean sneeze that got taken care of through a carb tuneup..cha ching $160 at a boat repair place. This is all they did though. The motor still runs too rough...
  8. K

    Force 15 Low idle backfire / spitting problem.

    I got a 1985 Force 15 outboard as part of a boat deal. The motor runs fine once given a bit of gas but at the idle speed, out of gear or in gear the motor coughs about every 5-10 seconds and will die if more gas is not applied. I have trhe manual for it but am not sure where to start the...
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