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  1. M

    Help removing lower unit

    Hey guys I just picked up a second motor, a 2004 johnson 50hp J50plsrs. Its not peeing on muffs so I'm gonna do the water pump kit. I just ordered a service manual, but I can't find any info on how to disconnect the shift linkage for this motor. There's a lot more stuff crammed into the lower...
  2. M

    '83 evinrude 50 won't start (again)

    Hey guys- I had my motor running ok, previously unknown motor I got running after replacing both coils, power pack, main wire harness. I had the motor running yesterday and was trying to work on link and sync and it stalled out on me. Now I can't start it at all, just cranks and cranks. I have a...
  3. M

    83 evinrude 50 choke solenoid/wiring issue

    Hey guys, for anyone following my motor progress, I just found another issue with the choke solenoid, doesn't work at all with key switch (I dont hear it clicking when I push the key in). I did the an ohms test across the solenoid (as per service manual), tested good, and ran 12v to it and I...
  4. M

    another wont start thread '83 evinrude 50hp

    Hey guys- Been working on my '83 50hp evinrude for about 2 weeks now, finally got the carbs rebuilt, rebuilt fuel pump, replaced all fuel lines. Just can't get it to start. It has great spark on both coils, spark jumps at least a half inch gap no problem. Compression ~150psi both...
  5. M

    1983 Starcraft 160 SS restoration

    Hey guys, been reading on the many lengthy great restoration threads on here. Just joined the party, I picked up a 1983 160 SS in pretty good shape on a nice tilt trailer with a questionable 1983 johnson 50hp for $550 in upstate NY. I came from a super heavy 17ft glass boat I sold last year...
  6. M

    E50BELCTA carb rebuild question

    Hey guys, just tore off the carbs on my project motor. Was planning on taking all the jets and orifices out for a soak. Long story short I tried to remove the large brass tube in the middle of the main body, and mangled it. I thought because it was slotted at the top it should come out...
  7. M

    1983 Evinrude 50hp E50BELCTA wiring question

    Just got this outboard which I'll be putting some time into cleaning up and following the steps of waking a dead outboard, but I noticed these two wires not attached to anything, coming right out of the main harness. Can anyone help me out with where these two should go? Marty
  8. M

    Help removing a broken bolt lower unit bolt

    Hey guys, just got a 1983 E50BELCTA 50hp evinrude with an old starcraft I picked up. It definitely needs some work, I'm not even sure I'm gonna keep it but one major issues is the lower unit is off, and there is a broken bolt in the midsection (one of the lower unit attachment bolts). There is...
  9. M

    Starter motor not engaging with flywheel

    Hi there everyone, I have a '91 75hp mariner 3 banger. I've had intermittent issues with my starter just spinning and not engaging the flywheel over the last year, but now it doesn't work at all. I've read several threads on here about this, and I think I've tried everything. heres what...
  10. M

    Help with prop selection '91 75hp mariner

    1) Problem: Trying to improve my hole shot, currently sluggish, not enough to get a skier up 2) Prop manufacturer: Solas Amita Aluminum 3) Prop diameter and pitch: 13x19 4) WOT RPM with avg load: 4850 @ 31.5mph on GPS 5) Engine: 1991 75HP Mariner 3cyl, 2.3:1 gear ratio 6) Boat make model...
  11. M

    Mariner oil leak somewhere below tank

    sorry for duplicate
  12. M

    Mariner oil leak somewhere below tank

    1991 75hp 3cyl. My motor is leaking oil from somewhere, I verified its not the from the cap after leaving motor tilted down and some clean paper towel underneath the T that comes out of the bottom of the tank and splits the oil to the viewfinder and to the oil pump. A couple days later the...
  13. M

    1991 75HP fuel/oil line sizes

    I was wondering if anyone knew what the following mercury part numbers for fuel and oil lines were in real life ID/OD sizes. I didn't want to pay the ridiculous prices for the mercury branded stuff. Is it OK to use any poly tubing, ie. from lowes for the oil lines? Here is what I know so far...
  14. M

    91 mariner 75hp fuel pump body

    Hi there everyone- I picked up a used fuel pump to replace my fuel pump that I broke the outlet barb off of replacing the fuel line. I got it on ebay , the part # matched the fuel pump body according to crowleymarine. I'm reusing both of the alumining casing parts from my original, just using...
  15. M

    Broken piece of throttle linkage '91 75HP Mariner

    I broke the upper portion of the throttle linkage trying to replace the fuel pump. I can't find the part # anywhere, looking on crowleymarine, the part is not on the "throttle linkage" section, the "fuel pump" section or the "carb" section. The piece I am referring to is part "C" from this...
  16. M

    2004 Sylvan v170 - just purchased, couple questions

    Got a great deal on an ex-rental. Lots of mildew inside, but it cleaned up really nicely. I'll also have to do some fiberglass work on the hull next summer. Like a lot of you guys, I've quickly found that there is almost no info on sylvan boats on the web. I'm having a hell of a time...
  17. M

    Mariner 1991 75HP tilt/trim drifting down

    Hi folks, haven't been around in a while since my motor has been running sweet for almost 2 years, and still is. My issue now is with my tilt/trim system. When my rig is sitting in my driveway, the motor slowly drops after about a week until the skeg is resting on my driveway. Also when I...
  18. M

    Prop change for '91 Mariner 75HP

    current specs: WOT rpm - 4600 (Merc reccommends 4850 to 5250) Prop pitch - 21 12.75" diameter Quicksilver laser II aluminum GPS measured speed - 35mph empty boat with just me and 2 6.6gal gas tanks Boat - 16ft Invader 160 fiberglass Open Bow. Boat weight is about 850lbs Hole Shot is pretty...
  19. M

    Not acheiving high enough RPMs at WOT

    Motor is 1991 75HP Mariner. My OEM service manual states the RPMs at WOT should be between 4750 and 5250 RPMs, but I am only getting about 4600 RPMs at WOT. I have just performed a link/sync and adjusted the WOT throttle stop screw so the carbs are opening fully. I am just looking at a new...
  20. M

    91 Mariner 75HP Alarm Buzzer Warning horn issues

    I've been trolling the forums here for two weeks trying to find a resolution to my problem but still haven't found an answer specific to my problem. I would greatly appreciate any suggestions people here have. A little background: 2 weeks ago I took the boat out for the first time and it was...
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