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Thread: Whats this noise?

  1. #1
    Join Date
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    Whats this noise?

    On a few of my trikes (both Yamaha & Hondas), occasionally when I shut them off, I hear a noise like something is still rotating for 5-10 seconds & then it stops with a very light clunk. I don't hear it on all my machines, just a few of them. Any ideas what it would be?
    A whole bunch of trikes.

  2. #2
    Join Date
    Jul 2004
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    Mud hill. close to water !
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    3,658
    Kinda like when i hit the electric start and it don't start.. i get a wrrrrrrrr... click.

    like that ?
    Currently :

    82 ATC - 200, plain jane, almost mint. ( Sold, 03-17-2005)
    84 ATC - 200 ES, Jimmy-Rigged, don't ask.( Sold, 03-17-2005)
    85 ATC - 250 SX, Pride and Joy, Bottom-Less Money Pit.
    84 125 M - The Mini-SX not running yet. but won't be long.
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  3. #3
    Join Date
    Mar 2005
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    Alberta
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    Nope, it sounds more like maybe something in either the clutch or pull starter assy. I hear a low growling sound that gradually gets slower & quieter until it stops with a light clunk that you can feel when you are sitting on the trike.
    A whole bunch of trikes.

  4. #4
    Join Date
    Oct 2004
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    Opelousas, Louisiana
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    yep i know what your talking about, i hear it sometimes on the 185.
    i have no idea what it is.
    i think it may be the centrifugal clutch slowing down then stopping.
    1986 350X K&N filter, DG Krome Power exhaust
    1982 110 UNI filter, Cobra megaphone exhaust

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  5. #5
    Join Date
    Jul 2004
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    minnesota
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    yes, i know the noise your talking about also, my old honda 200 did that, i think it was something in the rewind, but i could never figure it out, but it never heart anything so i never really looked into it very carefully.
    my trikes:
    1983 honda atc 200x-k&n filter
    2002 yamaha raptor 660r, yoshimura slip on, prm grab bars
    1978 chevy nova, 454 v8, bds blower, 150hp shot of nitrous, full roll cage, a real power house.
    1991 chevy s10 4x4 350v8.
    1986 250sx
    YES its fast NO you cant ride it.

  6. #6
    Join Date
    Mar 2005
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    Alberta
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    Yeah, it's most noticeable (sp?) on my honda 200. Also, on this trike, occasionally when you are coasting down hill, it starts to freewheel like you put it in neutral or disengaged the clutch. Blip the throttle once & she kicks back into gear. Maybe it's the oneway clutch or something. Been this way for years & not getting any worse so I'm not gonna lose any sleep over it. I'm curious what it is though.
    A whole bunch of trikes.

  7. #7
    nimda78's Avatar
    nimda78 is offline At The Back Of The Pack Arm chair racerFirst time rider
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    177
    i hear that on my ytm. i never even thought about those clutch pucks still rotating. i was thinking the oil filter has prolly never been changed, and back pressure was pissing by.

    not to jack anyones post, us the oils thing i mentioned possible?
    -1983 Yamaha YTM200K chain drive -3rd owner! -UNI dry foam performance filter /w wet outterwear -RM 125 2" rise steel handle bars in black powder now - bent from a rolloverCustom 2" round LED tail light /w stainless steel trim in aluminum mount Custom polished aluminum diamond plate rear fender brace with Stainless steel hardwareStainless steel Torx mudflap bolts Custom ONAN vtwin muffler TOUGH sound


    -1986 kx80- S O L D

  8. #8
    bigb9582's Avatar
    bigb9582 is offline At The Back Of The Pack Arm chair racerFirst time rider
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    my 250sx does this also. it also does the puting it in neutral feel when going own hills until i hit the gas again. but it doesnt do it all time.
    85 atc250sx
    86 lt230s

  9. #9
    wheelie king's Avatar
    wheelie king is offline Aficionado of white surprise sauces. Arm chair racerRoostin Away
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    Clutches, maybe? I don't know. None of mine do that.

    Nimda- The cause you mentioned is VERY unlikely. However, I feel obligated to tell you to, Change the oil filter, man! It's cheap and easy. Your engine will love you!
    1986 Honda ATC 200 S

    Some quads and a S x S

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  10. #10
    Join Date
    Aug 2004
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    Ab Canada
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    the shoe's in the centrif clutch are worn out or the housing around them.
    1985 Tri-Z-

    Quote Originally Posted by mywifeknowseverything
    Just hit the Freakin Gas and Hold on!!!!!

  11. #11
    Join Date
    Jun 2005
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    Rutland Vermont
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    It is the centrif clutch rotating after you shut her down. Almost all of the honda 200 motors I've had did that every now and again. I beleive the clutch weights are still outward from the rpm's and slowly return to their normal positions.

  12. #12
    nimda78's Avatar
    nimda78 is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Quote Originally Posted by wheelie king
    Nimda- The cause you mentioned is VERY unlikely. However, I feel obligated to tell you to, Change the oil filter, man! It's cheap and easy. Your engine will love you!

    oh man i know!! im looking at an EMGO oil filter on mfgsupply.com (great peepz BTW),right now..only 7.00.... the plus side for my motor is i am strickly forbidden to ride in my 'hood..the owner phoned me directly, and threatened a 10 eviction notice if i did so. i havent ran it an hour since i got it. the sound i hear is a hissing sound, thats what i suspected oil being slowly pressed/boiled??!! in there. i dont actually belive thats what the sound is, it was just a thought that crossed my mind. looking for feedback from this crew. with the probability of it not being in the oil filter, its prolly just the aluminium cooling, cause i only hear it right after shut down. and the only riding ive gotten to do is in crammped woods, in first gear only... little airflow, and admittedly unnessasary high RPM's to catwalk over logs and umps rocks..whatever else i can find.
    -1983 Yamaha YTM200K chain drive -3rd owner! -UNI dry foam performance filter /w wet outterwear -RM 125 2" rise steel handle bars in black powder now - bent from a rolloverCustom 2" round LED tail light /w stainless steel trim in aluminum mount Custom polished aluminum diamond plate rear fender brace with Stainless steel hardwareStainless steel Torx mudflap bolts Custom ONAN vtwin muffler TOUGH sound


    -1986 kx80- S O L D

  13. #13
    2strokepwer is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    is the oneway bearing?
    2 strokes feel the power

  14. #14
    Join Date
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    Quote Originally Posted by nimda78
    oh man i know!! im looking at an EMGO oil filter on mfgsupply.com (great peepz BTW),right now..only 7.00.... the plus side for my motor is i am strickly forbidden to ride in my 'hood..the owner phoned me directly, and threatened a 10 eviction notice if i did so. i havent ran it an hour since i got it. the sound i hear is a hissing sound, thats what i suspected oil being slowly pressed/boiled??!! in there. i dont actually belive thats what the sound is, it was just a thought that crossed my mind. looking for feedback from this crew. with the probability of it not being in the oil filter, its prolly just the aluminium cooling, cause i only hear it right after shut down. and the only riding ive gotten to do is in crammped woods, in first gear only... little airflow, and admittedly unnessasary high RPM's to catwalk over logs and umps rocks..whatever else i can find.
    Pull the filter & clean it with solvent. You don't have to replace it unless it has holes or some other kind of damage. They are a real fine brass screen, not a paper element. I noticed the EMGO filters aren't as fine of screen as the OEM ones, so they probably don't catch the smaller bits of foreign material.
    A whole bunch of trikes.

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