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  1. M

    testing choke

    How can you test a used choke solenoid (off of johnson 1975) It has three wires. A short black (ground?) and two long wires, one purple and white, the other purple and yellow. <br />Thanks
  2. M

    50esl75 parts

    Does anyone know if the powerpack and fuel pump off of a 1974 johnson 50 hp are compatible with those of a 1975 50 hp? They look the same.<br />Thanks
  3. M

    obscure parts question...

    Need a replacement choke solenoid for 1975 50 hp.Have access to one off of a 1974 50 hp, but can't compare side to side for match. Anyone know if a '74 will work ona '75?<br />Thanks.
  4. M

    johnson parts

    Anyone know of an online parts source for mid 1970's johnson?<br />Thanks
  5. M

    1975 choke solenoid

    Noticed yesterday that the toggle switch activated choke not working (motor still starts, but butterflys not closed when working the toggle)I can move the solenoid plunger by hand, just not electrically. I "assume" the solenoid has gone south. How can I check, is it difficult to replace(Yes, I...
  6. M

    1987 80 hp

    May be purchasing 1987 merc 80 hp. Price is around $700. Any known problems with this particular year, or any opnions concerning this motor? Recently had carbs rebuilt, and new water pump.<br />Thanks
  7. M

    1987 80 hp

    May be purchasing 1987 merc 80 hp. Price is around $700. Any known problems with this particular year, or any opnions concerning this motor? Recently had carbs rebuilt, and new water pump.<br />Thanks
  8. M

    weight of motor

    Can anyone tell me the weight of a 1988 80hp mercury?<br />Thanks
  9. M

    1988 merc 80hp

    Bear with me because I have only owned one motor (Johnson 50hp 1975)Friend is offering to sell me '88 merc 80hp. Other than attempting to mount it on the transom,how can i tell if it will fit current boat (1975 starcraft 15') with johnson long shaft, i believe 20". Also, how is a Merc 1988 as...
  10. M

    bad coil?

    Launched boat today (50 hp 1975) and she kept cutting out at low idle. If i opened her up all the way, it sounded like she was running on one cylinder, until the RPMs would finally kick in then she ran smooth. Rebuilt the carbs last year, one new coil last year (similar symptoms, i believe)...
  11. M

    zincs

    Have '75 johnson 50hp. somebody asked me if i used zincs on it for corrosion. Never even thought about it before. Did they use them pn 1975's? Do i need one, and if so, where do i attach it?<br />Thanks
  12. M

    '75 lower unit

    Looking to replace my 50esl75 lower unit. What other years/HP will fit on my motor?
  13. M

    steering tube lube...

    Just went thru the nightmare of a frozen steering tube. I was able to free it by disconnecting linkage rod, inserting rod thru end of tube and slowly rotating back and forth while pulling and lubing, etc. I guess it could have been worse. Which leads to the question, what is the best lube...
  14. M

    compression too high?

    compression readings on johnson 50esl75 were 150, 152. Seems kind of high. Is that possible?
  15. M

    replacing lower unit

    My lower unit is off for seal replacement(50esl75)and i'm not looking forward to putting lower unit back on. Last time was a bear. Looking for any tips, in particular, for replacing the shift rod screw. It seems like the screw is so close to the shift lever that a normal socket (7/16?) will not...
  16. M

    lower unit rebuild

    Lower unit on my '75 50 hp had milky oil after new o rings on oil fill/drain bolts. Need to replace the o rings in unit. I may do job myself, however I have no special tools called for in manual. Am I better off having local johnson mechanic replace seals, and if so, how much does a job like...
  17. M

    commercial johnson

    Looking at buying 48 hp ('94) commercial johnson. What is the difference between a "normal" and a commercial. Anything I should lookout for in this year/model?<br />Thanks
  18. M

    lower unit

    Have '75 50 hp. (50esl75) will lower unit from a '73(50esl73R) fit my motor?<br />Thanks
  19. M

    pearson 30' hatch

    Thinking of adding a hatch aft of the mast on a pearson 30. Is it OK to cut 18"x18" hole there, or would that destroy any structural integrity?<br />Also, any hints on sealing the hatch. The curve of the deck may make it difficult.<br />Thanks.
  20. M

    broken skeg

    '75 johnson 50 hp. Noticed after last season that a 1" "bite" was missing from the bottom of the skeg. May have happened when my brother hit a rock or when he pulled her for the season. Will this adversely affect the operation or handling of the motor? Motor is on a 15' starcraft used for...
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