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  1. J

    what size should I go to 90hp

    1989 90 hp johnson. boat with all gear is around 1400lbs. 15.4 bass boat....it has a 14x19 prop and the motor is doing 6000 plus, not sure how much more has I back it off as soon as I saw it was pass 6000 rpm's....I just finished doing a tune up on the motor ( bought used ) and the timing was...
  2. J

    throttle linkage 1989 90

    am I missing something or something wore out.After I go up in throttle and return to neutral it stays up in throttle at about 1200 rpms, you can see the gap it leaves in the idle speed adjustment screw.It will move back by hand and an idle fine, seems like it needs a small spring too bring it...
  3. J

    catch and releease

    I know a lot of people do it and a lot don't.I like fish and keep what I want too eat. About 20 years ago while working at a dealership in Bartow FL, a professional fisherman stopped by to have some work done on his trailer.I want mention any names, but he was on his way too some local...
  4. J

    3 months and now it is running good

    Have had tons of spark problems. it would go from a good spark to no spark then good again, replaced all 4 coils an power pack, then had good spark on 3 cyl.s..... sierra took back the new powerpack and sent me a new 1 and now I have great spark on all 4...230volts at all 4 coils with engine...
  5. J

    lost another power pack(sierra helped)

    1989 90 hp johnson. boat has sit for about 6 year, took off carbs. and clean them all up, new plugs, within about 10 min.s the motor was running, all 4 cyl. were getting warm, then cyl. 2-4 started getting cold. took out both plugs and checked for spark and had no spark.I checked the stator and...
  6. J

    engine not running on 2-4

    back where I started. cyl.1-3 get nice an warm--cyl.2-4 are ice cold, but do get warm for the first 2-3 min.s of running but then get cold. I had too replace the power pack, had a coil go bad so I put on 4 new coils.I am getting 178 volts at all coils. I have had the carbs. off 5 times(rebuild)...
  7. J

    1989 90hp fuel pump

    well been working on this motor for 3 months now an got the ign. problem fixed(I hope)..replace power pack an coils, both dead.replaced water pump.went too put it all back together an put the battery in,pump the fuel bulb an gas is spraying out of the fuel pump,I took it off an checked the torx...
  8. J

    what blew my powerpack

    89-90hp johnson...been having lots of problems with no spark on 1 bank,then it went too good spark on all 4, then it went too weak spark on all 4,I put on a new powerpack and it made no diffrence.. an now the power pack is dead...The stator has 180 volts,ohms are 530 while connected too power...
  9. J

    still have spark problems 89-90hp

    motor had sit for a few years, but after a few hours work it would start up but only run on 1-3, 2-4 had no spark at all, tried a new power pack but still no spark on2-4... then for some reason all 4 cylinders had a great spark(bright blue) but a week later was getting a weak spark on all 4 cyl...
  10. J

    first no spark an now no gas(more test)

    1989 90hp....motor has been sitting for about 4 years. rebuilt both carbs. all new fuel line an new fuel filters, got motor too crank up but cylinders 2-4 had no spark at all, got a new power pack an that did not fix the problem, change the coils from 1 side too the other an plug wires ,no...
  11. J

    need power pack

    sierra 18-577o out of stock :( how long do most out of stock items take. CDI has them but I am real short on cash
  12. J

    no spark

    1989 90hp johnson, ran motor today and after about 10 mins. i shut it off an notice cyl. 2 and 4 were ice cold. So I assume it has no spark on these cyl. maybe why it seemed too idle a little rough.If it were just 1 cyl. I would guess maybe a coil but 2 cyl.s on the same side I am guessing...
  13. J

    need gas cap

    I have a 1986 hydrosport bass boat,someone stoled my gas cap an got a few gal. of gas...what gas cap will fit this boat... it measures 1 1/2". only word written on the fill is GAS.Only thing I remember about the cap is it was plastic and black. I would take the fill off an try an go match 1 up...
  14. J

    fuel filter question

    I have a 1989 90 johnson,been sitting for the past 6 years...put gas in it an it started up but the water pump was not working,so tore it down an got it replaced an working good now, but motor was not running very well an got worse the more I tried too run it.So I pulled both carb.s an they...
  15. J

    water pump 1989 90 johnson

    teying too do a water pump change but stuck on trying too get the link rod off. I pulled the bottom carb. but still can not see how too disconnect the linkage, the only screw I see is turned around backwards an screws out towards the power head,is there something I am not seeing.I have done a...
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