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    1996 BF50 Honda Bogging out when trying to plane

    It worked!!! It was the CDI. I know they are robust but i think my old delaminated flywheel magnets hitting sent nasty waveforms and fried it when i first got the boat. Runs great! Ran all evening at every throttle level and not a single hiccup. Much more power now 4-5 mph faster top need. So...
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    1996 BF50 Honda Bogging out when trying to plane

    Ok it’s ready for a sea trial. One last thing i’ll mention that gives me GREAT hope is that today i did a cylinder drop test and the middle cylinder affected the running exactly as much at the top and bottom. This is very good news as when this all started i posted that i didn’t think the...
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    1996 BF50 Honda Bogging out when trying to plane

    HAVE NOT RUN THE NEW CDI YET. Hunted around all afternoon. Neither shorting the oil or temp sensor wires to ground point triggers the buzzer. Once again my conclusion is that BOTH CDI have a problem with the buzzer/limp mode leg internally. All runs on the boat have continuity and are in really...
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    1996 BF50 Honda Bogging out when trying to plane

    So i jumped the CDI Y/G output wire that is in charge of buzzer activation during overheat/low oil and buzzer worked. When i jump the red temp switch wire to ground i’m not getting any change in the Y/G CDI buzzer output. There IS continuity to the red wire on the alert system plug on the CDI...
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    1996 BF50 Honda Bogging out when trying to plane

    so either the temp sensor input path to CDI or buzzer wire output from CDI have a problem. Bc the trim control buzzes no problem and is tied into same wire up stream. I’ll use my pinprick prob leads and see
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    1996 BF50 Honda Bogging out when trying to plane

    Ok i swapped the Red and yellow and grounded temp sensor and oil light went out so i think it’s the red bulb that’s malfunctioning. Now the question why is buzzer working for trim sensor but not overheat. Both are tied to Y/G. Signal to sound buzzer should come from CDI with temp sensor...
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    1996 BF50 Honda Bogging out when trying to plane

    I checked the blue/yellow to the buzzer too. Has continuity. So the gray wire from the indicator lights that goes to the multi panel is the only unknown. Red checks, yellow checks, and ground checks to the warning light plug. Looks like the red from the temp sensor splits and goes to the CDI...
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    1996 BF50 Honda Bogging out when trying to plane

    Thanks matt. I got it on and started in the driveway..everything sounds about the same. Will bring it to test ASAP. Just for the heck of it i jumped the thermo sensor lead to ground and NO buzzer or over temp light still. As i said im getting continuity from the sensor and rear ground clear...
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    1996 BF50 Honda Bogging out when trying to plane

    Even with a new high end MM i still couldn’t get nearly any of the readings to be right on either CDI and they were consistent amount the 2. Something is not right with the ability to take proper measurements as described by Honda in the service manual. Completely useless. Will go ahead and...
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    1996 BF50 Honda Bogging out when trying to plane

    I guess resistance at rest and room temp isn’t that valuable anyway…more about voltage output when warm under load. Just gonna swap it…that will be everything. Just disappointed not to have hard evidence
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    1996 BF50 Honda Bogging out when trying to plane

    Allright terrible news…the CDI that arrived shows mega ohms too. 5 mega ohms. Which is 5,000 K ohm. Specs say 5-500 K ohm. This is all really upsetting. I read another forum where i guy was getting Mega ohm. None of the specs in the manual are right for me. Either i have 2 bad CDI, a bad MM...
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    1996 BF50 Honda Bogging out when trying to plane

    Awesome..thanks again. I just saw the top cylinder is like 165-170 in the driveway where the lowers are 145-150. Overtemp is like 195 so i was concerned about WOT but im guessing it cools much better IN the water than on a hose without any holes plugged up and may also run cooler underway with...
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    1996 BF50 Honda Bogging out when trying to plane

    CDI will be here friday. Paid 250$ but got the nicest one on ebay and from a 100% seller. I put the new fuel pump on today. After testing old one with less than 5 psi like on danger marine it developed slight leak near the corner security bolt so i’m glad i swapped it too -probably was close...
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    1996 BF50 Honda Bogging out when trying to plane

    Just for clarity…ALL my measurements on the CDI are showing 4-5 MEGA OHMS. The honda specs call for 5-500 kilo ohms. So we are out of spec by a factor of 10X!!! A few legs don’t even have continuity! These legs look to go to the front helm control and I believe this is why the warning buzzer...
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    1996 BF50 Honda Bogging out when trying to plane

    I bet my the old flywheel magnet delamination contributed to the CDI failing. Sending junk pulses into the circuit with each strike. So if you have magnets hitting better address it ASAP
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    1996 BF50 Honda Bogging out when trying to plane

    OMG!!!! I tested the thermo switch for the heck of it today and it was not working on the panel, so I confirmed that signal was getting up to the helm and ground and it was and it got me thinking about the CDI again so I decided to go ahead and pull it off and test it. IT FAILED EVERY SINGLE...
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    1996 BF50 Honda Bogging out when trying to plane

    How about 3 off these and go for a cloudy day?
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    1996 BF50 Honda Bogging out when trying to plane

    Ok i ordered a new OEM fuel pump 85$ shipped great price. BUT honestly this whole time my heart has said CDI. Have just avoided they are not available new really and 300$ used even. Mine cosmetically looks great (but i know that means nothing). Seems with a bad fuel pump after sitting and...
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    1996 BF50 Honda Bogging out when trying to plane

    Ok Matt..thank you for being there for me through this. Do you think a 27 year old fuel pump has reached its lifespan? I’m thinking of just ordering it regardless. Be good to have a fresh one out there
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    1996 BF50 Honda Bogging out when trying to plane

    Also i did just pull the fuel pump off and pump the prime to see if it leaked…NO leak There is a nice looking CDI on ebay for 290$ from a reputable seller. Fuel pump is 90$. i can see the finish line…tough call. I’ve gone thru this whole motor…timing and valve adjustment too…carbs spotless and...
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