Search results

  1. N

    1972 Chrysler 85, Tolletson carburetor tuning

    No need of sealant, maybe only some dots to hold the gasket in place before assembling the screws. General torque spec for 1/4 in screws (if it is 1/4 in) and I always start to tighten the screws from the center and in a circular pattern CW when there are parts with a lot of screws and with a...
  2. N

    85 HP force motor. 2 questions!

    Outboardignitiondotcom has troubleshoot chart for this ignition system. CDI electronics has it too.
  3. N

    85 HP force motor. 2 questions!

    Yes, the CD module has two channels and one can be bad. you can swap the CD modules and see if the issue follows or not.
  4. N

    85 HP force motor. 2 questions!

    Are really sure it is the CD module that is bad? Check the triggers before you buy a new CD module. You can use a regular VOM if you do not have a DVA meter. But a DVA meter or DVA adapter is best. The triggers should put out 0,5V or more and the resistance for the triggers should read 48-50 Ohm.
  5. N

    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    If this engine was mine I should do just one hole. I have bore many engines and I have done only the cylinders that needed. Question to go for 010 or 020 is up to you. If you are sure your measurements are true and correct and 010 will be enough, well go for it. If 010 not clean the cylinder...
  6. N

    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Take the power head to a machine shop and have it measured by them. Then order over size piston and rings from the measurement from the machine shop.
  7. N

    85 HP force motor. 2 questions!

    If you have a hole/leakage in the rubber boot where some exhaust and cooling water exit at the back of the midleg cover the engine will breathe exhaust with the cowl on. Try to run without the cowl and check if it perform better.
  8. N

    Weak spark

    I think that wire set would be good. The distributor is made for solid copper core wires. The application to the distributor would not work with composite/grafit wires.
  9. N

    85 HP force motor. 2 questions!

    Check the remote control cables for right adjustment. If you could open up the throttles more by hand the remote control need adjustment. Clean spark plug.... check head gasket, exhaust cover gaskets (be careful if you suppose to remove the screws holding the cover). Check the reed valves, later...
  10. N

    Weak spark

    If the condenser is for regular auto style ignition coils I think it is okey. Yes your high tension (HT) wires are composite/grafit wires. How do you connect these to the distributor cap? OEM wires (solid copper core) are split up (mushroomed) in the dist. cap to get good connection to the...
  11. N

    Need help pulling gear carrier on Force 125 hp

    The clutch dog and the gear should have straight edges and perpendicular surfaces. No rounded edges.
  12. N

    Weak spark

    What capacitor (condenser) do you use? The capacitor should fit the coil spec. Think a 0,20-0,25 mikro Farad would be fine. Have you set the points to 0,014 in (0,35 mm)? Do you have solid copper core HT wires? BR7HS-10 has a built in radio suppression resistor and the electrode gap is 0,040 in...
  13. N

    Weak spark

    Which kind of plugs do you use? Converting from Magna Power system to regular auto style you have to change from surface gap style plugs to plugs with a bent electrode. Is the timing right? 28-30 dgr BTDC at WOT is the setting.
  14. N

    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    From the model number of your engine you should be able to identify if it is a 3,312 in or 3,375 in.
  15. N

    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    I use three brusher flex honing tool, have always worked out well. From your measurement it indicates you can go with standard piston and rings in my opinion.
  16. N

    Water in lower unit oil?

    Hard to see in the pic if there is water in it. With water in the oil it would look like chocolate milk or the water will enter out first then the oil when draining. Some LU oil will mix with the water (chocolate milky) other not, water separated to the oil.
  17. N

    40hp shearing flywheel keys?

    Franz Marine will have the flywheel key, Crowley Marine too. Partnumber 91800 I think.
  18. N

    40hp shearing flywheel keys?

    First you have to check that the flywheel key you use is the right one that fits perfectly. If it is too big the flywheel will ride on the key and the taper do not do it´s purpose. The key is only for right location of the flywheel and the taper is for holding the flywheel in place with the nut...
  19. N

    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    You need a 12 point 1/4 socket with thin walls. I recommend you to buy a quality socket from Facom, Snap on, Bacho or other brands that they use at workshops. When reassemble it you have to torque the connecting bolts to spec value and that will require quality tools.
  20. N

    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    I agree with racerone, maintenance is prio 1. Good two stroke oil, change LU oil every season, run the carbs out of fuel in the autumn and run it in fresh water. Remember that these old engines are ........yes old. Do not run the hell out of it and they will last for a very long time. #ErSa...
Top