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  1. R

    Need some input on 50 HP Johnson problem.

    Part # of the pump that was installed ?----Was it mounted over the pulse port on side of top cylinder ?----Replaced plug leads ?-----Water pump impeller replaced ?----Compression values today ?
  2. R

    Mariner/Tracker 20HP Tiller misfire low/mid RPM

    Switch coils and see if problem moves .
  3. R

    Lower End Unit Water Stream?

    Normal and do not plug that hole.
  4. R

    Compass heading

    Or use an old trick that I have used.------On the way out ---" trees on the left"-----On the way home ------" trees on the right "------As others have said you need to plan carefully for this venture.
  5. R

    Mercury 90 2 stroke popping and running rough

    It gets worse.----If a carburetor is plugged , then no fuel goes into 2 cylinders and no oil !----Do not run this motor again.-----Find the issue and fix it.-----Find the small hose ( oil recirculation ) that goes from bottom of engine to the top bearing area.-----On the starboard side of the...
  6. R

    Sea Rayder F16 Jet Boat

    Well ---80 PSI is low in my opinion.
  7. R

    Sea Rayder F16 Jet Boat

    That uses the 120 HP FORCE engine.-----I would do a compression test on it before spending any beer tokens on this boat.
  8. R

    1980 115 johnson stumbles at 2500rpm low compression cyl 3

    Mechanic at dealer was working / doing service work on a 300 HP E-TEC G2 on a silvery 20'+boat.----Also the 25 HP E-TEC on the same boat.------6 hrs on that will generate painless revenue.-------An early 80's V-4 and the owner are not popular at big shops !!
  9. R

    2003 Honda BF8 No Compression

    When pully broke the valves stopped moving.----Pistons likely hit valves and bent them.----Remove valve cover to inspect.---Likely lots of valve clearance as valves might be stuck open now.----Easy fix to replace bent valves I think.-----But that be my opinion !
  10. R

    1980 115 johnson stumbles at 2500rpm low compression cyl 3

    Yes-----But they no longer rebuild older ( 1984 ) motors.-----Motors are older than the mechanics.----Owners of older motors will howl and complain at the cost to fix these motors.-----Owners of $80,000 boats will say " thank you " when they see an invoice for $700 for service work.
  11. R

    1973 Evinrude 25hp lower unit failed pressure test.

    It should not be hard to find a good gearcase.-------visit the ----aomci-----website and place a free wanted ad.-----Local swap meets have these parts motors available for around $100 I hear.
  12. R

    1980 115 johnson stumbles at 2500rpm low compression cyl 3

    Just finished helping a dealer with a bad V-4 powerhead.-----Replaced powerhead and installed it at the dealers workshop.-----Got compliments and $200 extra with a " thank you very much " for helping out.
  13. R

    1980 115 johnson stumbles at 2500rpm low compression cyl 3

    Broken rings is something that happens to these V-4 cross flow engines.----Every engine will suffer from it.-----You need 4 new O/S pistons.
  14. R

    Prop spins in same direction in both forward and reverse gear...

    Try this put control in forward have lower unit in forward.---Put lower unit in place.---Test shift before installing bolts.-----The clutch dog is spring loaded and it jumped into forward while you were not looking.----Easy issue for me to resolve.
  15. R

    Prop spins in same direction in both forward and reverse gear...

    Answer this.----When you took the lower unity off was the control in neutral ?-----At the top of the Mercury forum here you will find a tutorial ( third one down the list ) on how to correct this.-----This mistake has been made hundreds of time
  16. R

    Link & Sync 1990 15Hp Evinrude

    Just looked at that 92 model and an 89 model.------Both have a knob you can turn.-----Turn one way and if that does not seem right then turn the other way !
  17. R

    1984 35hp mercury steering part

    The motor in post # 1 is not using the steering set-up with it going through the tilt tube !!----It must be an older boat or had a different motor on it at one time.----Or somebody just was not well versed on boat steering systems !
  18. R

    Battery questions - Winner with 80 HP Johnson

    Those motors are a simple , durable and smooth runner.----A little thirsty by the standards of today.-----Check it all out first.
  19. R

    25hp 3cylinder starting in reverse

    Lower unit , gear repairs are very expensive.----Explain what model you have and if water pump work was done !
  20. R

    1984 35hp mercury steering part

    Looks like the bolt for transom clamp.-----One just like the other one.------There is nothing missing on this steering as far as I can tell.------The system on this boat does not use the tilt tube and the drag link.
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