Recent content by Imtrying

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    Black Oil Coming Out By Prop....HELP!!!

    Ok, You super wrench's...I need help, and a cure for my 1974 70hp Johnson...I have a oil leak coming out down by the prop. The oil is black, and takes a few days to leak down to that point. I have been out with the motor about 5 times, and changed the oil in the lower unit a few times because...
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    Found out where my leak is, now how do I fix it?

    Hello again...I posted a week or so ago, stating that I had water in the lower unit...After digging into the lower unit, I found the leak...I took the prop off, and found oil in the cavity behind the prop. Bearing housing. When I put the bearing housing back, I put a new "O" ring in, and new...
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    WOT using muffs?.....

    Searched the search, and didn't find an answer...question is....is it safe or silly to run WOT in gear with ear muffs on? I normally run in a tub of water, but can't put in gear cuz when I did that, all the water got pushed out...had to shut her down fast!! Any comments? TIA......Dan
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    Yikes!!! Water in lower unit....pressure test passed..what now?

    Took my 70hp Johnson out the other day to do some testing of the tach, and the tack failed, but motor ran fine...35 mph. Ordered a new tach, waiting to get it so I can install it. Another problem occured...decided to drain lower unit that I rebuilt...MILKY WATER!! Ran the motor about 15 miles...
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    Wrong Tachometer?

    HI all...I took the 70hp Johnson out for second test run today after I installed a tachometer. Only thing is I think I put a missmatched tach for that motor. Of course the 70 is a 3 cylinder, and on the tach it says on the back: for 4 cylinders...( I put the dial on the back on 6p)does that...
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    70hp Johnson RPM warm up speed?

    Hi all...Right now the warm up RPM is reading 3000-3200. What should the warm up RPM be set at? TIA...Dan
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    What tachometer should I get...?

    I was just looking on Ebay at some tachometers. Didn't know there were so many different kinds and styles!?! I have a 1974 70hp Johnson. What should I be looking for? My motor is also a 3 cylinder. So many numbers on the back of the tach's, which ones should I be looking for, and some come...
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    DEXRON tranny fluid...

    Has any one ever use DEXRON transmission fluid in their lower units? In the manual I have it suggests that if one doesn't have the gear case oil (80-90 weight) you can use dexron transmission fluid as a replacement. If you do use it, is it better for the lower unit, or is it a poor...
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    Slow to power up...

    Hi All....Finally was able to get my 70hp Johnson in the water today....Here's my story...I rebuilt the lower unit and slapped it on. It starts fine, idles fine, but when I "hit" the gas, it takes a while to get up to speed. It pushes my 16 footer at 35mph!! Once I'm up there, it runs real...
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    Slow to power up...

    Hi All....Finally was able to get my 70hp Johnson in the water today....Here's my story...I rebuilt the lower unit and slapped it on. It starts fine, idles fine, but when I "hit" the gas, it takes a while to get up to speed. It pushes my 17 footer at 35mph!! Once I'm up there, it runs real...
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    Would I get in TROUBLE....???

    Hope the DNR isn't loged on....Would I get in trouble if I put a 70hp motor on a boat that is rated for a 60hp? Should I take the label off the boat? Take the stickers off the motor, and paint the whole thing white?????????? Name with heald upon request....
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    Water leaking??

    Hi all..just got a motor from a friend that I had to rebuild the lower unit. 70hp (1974) Johnson. I got it put back together, new oil seals, bearings, water pump, the hole nine yards. Installed lower unit, filled with oil, didn't do a pressure test cuz I have no means to do one. Anyway...
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