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  1. erniex

    73 850 Won't go into reverse

    Engine shifts fine into forward and neutral. When out of the water running on the muffs it goes into reverse and prop spins as it should. When in the water and you shift to reverse gears grind and won't go into reverse. It's seems that when the prop is under load in the water it won't go Ito...
  2. erniex

    Won't hold RPMs

    Hey Guys, My 1973 85hp is giving me a little problem. I can not maintain constant rpms between 2000 and 3000 rpms. If I set the throttle to run between 2000 and 2500 it will drop back to 2000 and if I set it anywhere between 2500 and 3000 it will run up to 3000. Maintains rpms anywhere below...
  3. erniex

    38' Cigarette Top Gun

    Found this boat listed on Ebay. 38' w/twin 500's. This loks too good to be true - 2002-$6800. Check this out and let me know what you think.<br />...
  4. erniex

    Evinrude Fastwin

    HI Guys,<br />Looking at buying an Evinrude Fastwin, 15hp, I think, :confused: , for $100. Can any one tell me the year of this motor, or any info you know about it. The serial number off the plate is # 15034-03761.<br /><br />Thanks
  5. erniex

    Gear ratio

    Hi guys,<br /><br />Anyone know offhand what the gear ratio is on my motor: 1973 Merc850 #3620790? <br /><br />I'm running 33 - 35 mph on a 16' tri-hull w/ a 19 pitch SS prop. Motor sounds good, all cylinders firing, newly installed tach only reads 3500 rpm! (set at 6 poles)<br /><br />Does this...
  6. erniex

    9.8 Mercury (Lower unit)

    Try having someone rotate the flywheel a little by hand as you try to push it on. This will help the splines align. If the lower unit is in gear, you can also turn the prop.
  7. erniex

    What it is?

    On the top rear of the block of my '73 Merc850 IL4 there is a quarter size flat disk loosly but securely mounted in a horizontal position and held by a side bolt. It's behind the flywheel and right above #1 cyl. Is this a water pressure relief valve or what? :confused: Can't find it...
  8. erniex

    rectifier output

    I bought the Radio Shack rectifier PMM talks about for my (73) 850 L4 and<br />installed it yesterday. I was getting some charge<br />from my old one (13.2v) but the tach would not work. Hooked up the new one, tach started working and<br />battery charging like a champ. I just have one<br...
  9. erniex

    73 Merc 850

    I have the LU off awaiting a part. In the meantime, working on other things. My question is, can I run the engine without the LU if I hook up a water supply to the water tube from the water pump to the engine without causing harm? I flushed the system this way the other day without cranking but...
  10. erniex

    73 Merc 850 LU shifting

    Pulled LU to replace water pump, check seals etc. I was checking the shifting from F - N - R by operating the lower shift shaft with a socket wrench. The unit clicks and locks solidly into forward and reverse, however when I shift it out of forward into neutral I am still getting some gear...
  11. erniex

    Merc 850 shifting problem

    First time poster - hope someone can help. 1973 model 85 HP - When in forward, the prop only spins CW as it should, but it ratchets when it turns. When in neutral, it will spin both ways but still ratchets in either direction. When in reverse, prop only spins 1/3 revolution either way like it...
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