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Recent content by tjcooper

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    Honda 50hp noise

    Well, I am stopping for now. After grinding off material on magnets andDone w flywheel coils, l used marks a lot black felt pen, testing with lower unit off, the flywheel is not contacting coils or anything else.. I also carefully cleaned flywheel of any material that could interfere with...
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    Honda 50hp noise

    Whining w rpm lower unit off Video link
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    Honda 50hp noise

    Running idle Video w lower unit off
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    Honda 50hp noise

    Removed lower and ran w water tube connected to hose. Noise still present, so I was incorrect on the noise disappears, it seems I Lil bit less with shaft disconnected though. Got a endoscope shot, can see the case before female end.
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    Honda 50hp noise

    Droped lower unit, noise is less, but still there. Last time I dropped it ran it with no water, this time I shoved hose up water tube w lower off. Unfortunately, the whine still there so I was wrong about it disappearing, just was a bad test before. Back to grinding down the magnets and or...
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    Honda 50hp noise

    Agreed, prob Original belt. I had first suspected tensioner making the noise, can see some oxidation on tensioner chrome. I will prob try again with the lower unit off to compare. But I recalled the noise disappeared after dropping the lower unit.
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    Honda 50hp noise

    Took flywheel off. Looked ok, 2 statorsupon were wrapped in cloth, 1 was plastic case. Upon closer inspection saw Mark on flywheel stator and on a couple magnets. Buzzed them all down w grinder , reassembled and texted. Noise still there hard to say if louder or less, I'm hoping it solved, but...
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    Honda 50hp noise

    I agree with the last sentence entirely. Thank you. However, the flywheels coming off to take a look see, so much better to do this on land.
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    Honda 50hp noise

    I'll pull flywheel to check
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    Honda 50hp noise

    Not a failing part? It sounds like the gears meshing on the splines. I just don't get why pulling the lower unit makes noise stop....other than it is the splines making noise and resonating to the top of the crankshaft....but just guessing at this point. Thanks for your input,funny thing is...
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    Honda 50hp noise

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    Honda 50hp noise

    Video attached
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    Honda 50hp noise

    2000 50A carbs
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    Honda 50hp noise

    Thx for reply, is a 20 inch, so I don't see a midway bushing. I see hole in case, then a view of the receiver of the splines. Shaft looks ok so do splines. Maybe this is normal whine? My 20hp never did. I greased up all, splines and shaft, checked water pump put it back together and noise is...
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    Honda 50hp noise

    It does not make noise when lower unit is off, Do would think tensioner is ok, belt ok. Drive shaft, it may be part of the standard operation, but I believe something is off, maybe bearing under flywheel?
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