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    78 Johnson 115 Overcharging??

    Crosbyman: is the regulator rectifier shown above different than the stock rectifier? It looks the same. Saltchuckmatt: I have a spare prop that I will put on. It's the same 3 blade 19P, but at least I'll be able to rule out/ confirm slippage. I'm going to the lake tomorrow. Thanks for the help
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    78 Johnson 115 Overcharging??

    The sticker on the battery is 6/22. I checked the water with one of those "turkey baster" style tester last year and all were good. What do yo mean by "slippage"?
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    78 Johnson 115 Overcharging??

    I believe mine is 9 or 10 amps(power trim n tilt). I don't run my motor at WOT because I stull have throttle left at 5600rpm. How could the prop be causing the high voltage? I believe I am running a stock 19P 3 blade aluminum prop. Any suggestions? And I use a flooded cell starting battery. Thanks
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    78 Johnson 115 Overcharging??

    Took the (bass) boat out yesterday and motor was running good. The voltmeter was reading between 13-14.9V for most of the day. I never opened her up to WOT and cruised at about 4500-5000 rpm. Then on my way in the voltmeter was reading a steady 16.7V and even went all the way to 17V for about 30...
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    78 Johnson 115 Running Great! But Bow of Boat is "Plowing"?

    Power tilt/ trim and the pin is in set of holes that is closest to the transom. Her is what my hull looks like. So, trimming up while at WOT will bring the nose up, correct? How will I know when trimmed up too much? I tried trimming up, but it seemed like it was "jarring" the motor and throwing...
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    78 Johnson 115 Running Great! But Bow of Boat is "Plowing"?

    Hello, maybe this is the wrong section to post this, but I have received so much good advice here: I took my 82 Ranger 130V w/ 78 Jonson 115hp out on the water yesterday. The motor ran excellent, thanks to the help I've received here! When up on plane, the bow of my boat is slightly pointed...
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    Older boat/ motor and New Electronics

    Not much in central California, lol!
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    Older boat/ motor and New Electronics

    That explains a lot! The lakes that I fish are not very big, so I don't spend much time above 1500 rpm throughout the day. There's been a few times when I wasn't sure I had enough juice to start my motor. And those old two strokes don't always start right up on the first crank, lol! Can anyone...
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    Older boat/ motor and New Electronics

    I have a 78 Johnson 115 V4 on the back of my 82 Ranger 330V. I have put much (probably too much) time and money into both of them. Both boat and motor perform well. The bought came to me with a Humminbird Helix 9 at the bow, and I have added a garmin Echomap 9 with side and downscan. Both are...
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    Charging trolling motor batteries

    I have a two bank charger. Would that only take care of the two trolling motor batteries , then? When I had the batteries wired in parallel, I would hook the pos. charger lead to one of the batterie's pos. post. I hooked the neg. charger lead to the neg. post on the second battery, thus...
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    Charging trolling motor batteries

    Thank You! Any advice on charging? Can I charge both batteries at the same time or do I have to charge each one separately?
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    Charging trolling motor batteries

    Hello. I usually hang out in the Johnson/Evinrude section, but I have some questions about batteries. I am currently running a 12V Minn Kota Edge powered by two 12V flooded lead acid batteries, wired in parallel, for longer run time. To charge them, I have been using a basic, but newer digital...
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    78 Johnson 115hp Crossflow Stalls When Put into Gear!?!

    I think you are right! I will run through it all again. Thanks!
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    78 Johnson 115hp Crossflow Stalls When Put into Gear!?!

    Compression #'s are 105/103/105/104 on the old starter. I haven't run one with the new starter, yet. I have had this motor for a few years now and had it running very well. I have worked through several issues with the help of this group. Last year I made a costly mistake and hit the terminal...
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    78 Johnson 115hp Crossflow Stalls When Put into Gear!?!

    Hello. Can anyone tell me how to properly adjust the remote control cables where they connect to the motor. I think that my motor is stalling because they are not adjusted correctly. I recently rebuilt my carbs and replaced fuel pump. When I put the carbs back on I followed the factory service...
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    V4 CROSSFLOW: SPRING MAGNET IN LOWER UNIT??

    Thank You so much! And for such a quick response. I may be able to finish this today, after all
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    V4 CROSSFLOW: SPRING MAGNET IN LOWER UNIT??

    Hello. I am replacing the seals in the lower unit of my 1978 Johnson 115hp. My question is about the football shaped magnet spring. When I unscrewed the shift rod and pulled it out I heard something in the gearbox and when I took off the cover I retrieved the spring magnet. Does that thing just...
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    Johnson V4 Crossflow Throttle return

    Yes different thread
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    Johnson V4 Crossflow Throttle return

    I posted yesterday asking what type of lubrication I should use on the new timer base that I just installed. The manual species moly lube for the brass ones, but my new one is all plastic. As for idle speed. I'm not sure of the exact rpm because I didn't look at the gauge, but I'd say between...
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    Johnson V4 Crossflow Throttle return

    So, I took apart the throttle linkage and it was filthy! I cleaned ALL of the dried up stick black "gunk" from all the plastic bushings and metal contact surfaces. Reassembled the linkage/spring assembly and then it started to rain! Everything seemed to be moving much better. I didn't use any...
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