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  1. R

    Force 70 HP - Full throttle in reverse but underpowered in forward

    Year and model # of motor ?----Just 1 carburetor or 3?------What boat and what pitch is the prop.-----Is the boat waterlogged ?----Fuel pump diaphragm ruptured ?
  2. R

    1992 70hp Johnson - electrical issue - continued new

    New starter from where ?---Factory or something else ?----Checked the " start in neutral only switch " in control box?-----Seems to me this should be easy to figure out.
  3. R

    Force 70 HP - Full throttle in reverse but underpowered in forward

    Bad sparkplug ?
  4. R

    1992 70hp Johnson - electrical issue - continued new

    Hurry----Run to your local , friendly boat shop for help.
  5. R

    Buddies gt150 done for?

    Any pictures of the " looked decent " cylinder walls?-----Post results of a compression test after repairs.
  6. R

    1992 70hp Johnson - electrical issue - continued new

    Problem with battery cables , starter solenoid. loose connections.---And have that battery load tested where you bought it.
  7. R

    Can trim pump be added to a 40hp that didn't come with it?

    It is a 1988 or older !!---In fact I think it is an 86 model.----An aftermarket is your best bet !!
  8. R

    Force 70 HP - Full throttle in reverse but underpowered in forward

    You are running on 2 of 3 cylinders.----#1 has an issue.-----No spark.----Or no fuel.----Or too much fuel.-----Or no crankcase compression..----Should be easy to figure out.-----Might be a broken reed valve or some seagull feather holding a reed valve open.----Could be a hole in the block too.
  9. R

    1991 90HP V4 Cylinder Compression Range

    The bulb does NOT need to be hard when motor has started.-----What part # pump did you get ?-----And is the pump mounted directly over the pulse port on the intake manifold ?----That would just beside the starter motor.
  10. R

    Force 70 HP - Full throttle in reverse but underpowered in forward

    Did you read post #3 ??----I say your motor is running on only 2 of 3 cylinders.----It it easy to test and find out why.----If you keep running it with a plugged carburetor you may destroy the motor beyond economical repair.
  11. R

    Buddies gt150 done for?

    Outboard pistons are tapered.------Even a new piston is smaller at the ring lands then at the skirt.------They do seem loose to a novice.----Make the needed repairs.---Run it and hope for the best.-----Don't forget to replace the water diverters.
  12. R

    No power at WOT

    Does spark jump a gap of 3/8" or better on each lead ??
  13. R

    1989 ski supreme speedometer

    Easier to install a GPS drive speedometer .----No hoses and likely more accurate.
  14. R

    90hp Mariner doesn’t start

    Make sure battery , starter motor and battery cables are in good condition.----Easy to check and costs little money.-----And a review of the starting procedure is also in order.
  15. R

    Motor revs up but doesn’t go anywhere?

    If you can find a shop that still does this.----Yes , they use a hefty hydraulic press to remove / install a new hub.----But today the offshore factories can stock dealer shelves with props.----Often for less than what it costs to refurbish one locally.
  16. R

    Lowest compression you’d buy

    The 2 stroke outboard engine is unique.----It operates / boat floats in a supply of cooling water..-----Unlike an automotive engine that carries a sealed water supply INSIDE the block. ----Folks do not maintain / replace the impeller on a regular basis !-----Results in lack of cooling.-----If...
  17. R

    Power trim

    Many dealers now have the ---" replace the entire unit " mentality.-----Reasons---#1 puts more customers through the shop.----#2 guarantees that it will work with no return hassle.---#3 do not need a highly trained mechanic.----#4 guarantees good profit.-----Need to know what motor.----Need to...
  18. R

    Air box to carb bolt size.

    What motor ????
  19. R

    1988 V135 Reeves timing method vs the Merc book?

    There is confusion.----Setting the idle timing on " grandpa's 283 " is not the same.----There idle timing also changes maximum timing advance.----On most outboards the idle timing is the point where throttle plates open.----Actual timing at idle does not matter.-----People start fiddling with...
  20. R

    90hp Mariner doesn’t start

    Pushing the key in and holding it in while cranking it over?
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