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Author Topic: Broken Clutch Drive plates.  (Read 271 times)

Christianleon266

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Broken Clutch Drive plates.
« on: May 18, 2018, 02:54:05 PM »

Has anyone here dealt with broken clutch drive plates? After a first start and run, I noticed neutral was near impossible to find. Drained the oil, found a decent amount of metal shavings in the oil, as well as the oil being very dark black and having no viscosity. Pulled the clutch cover to find a broken finger, and further inspection led me to find two broken clutch drive plates.

I purchased a used clutch pack from ebay off of an 04 Hyosung GV250 that looked in good shape. I was going to buy new plates, but the fingers on my clutch basket and hub teeth have notching. It looks like someone f'ed this bike pretty hard without any oil changes at an interval that made sense.

Question is, should I sell the bike now that I know its been ridden hard? It rode ok save the fact that neutral was nowhere to be found and having water-like oil. I rode it for about 10 minutes that way. Nothing catastrophic happened and the metal shavings are consistant with the clutch basket and plates. Never had a clutch eat it before...
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2007 Kawasaki KX250F
1984 Yamaha Virago
1982 Honda V45 Sabre
1996 Kawasaki ZX6R
2009 Kawasaki Ninja 250
1984 Honda V65 Magna (Favorite)
1982 Kawasaki KZ750E
2005 Suzuki M50
1983 Honda Goldwing Aspencade
2007 Hyosung GT250R
1991 Honda ST1100 (current)

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Cloud

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Re: Broken Clutch Drive plates.
« Reply #1 on: May 18, 2018, 06:28:03 PM »


The engines are unpredictable time bombs anyway IMO.

Some will run a decade or more, some will ping an 18-month-old cam chain tensioner and splatter everything from the camshafts down through the valves, pistons, rods, big end, crank, gearbox, final drive, and rider.

Great opportunity to upgrade to better clutch components? Or button it up and get rid?

It's all up to how you feel.
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Christianleon266

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Re: Broken Clutch Drive plates.
« Reply #2 on: May 19, 2018, 01:09:19 AM »

Selling seems wise, despite not having rode it for anything longer then 10 minutes. I was under the impression that these motors were pretty tough. I'm afraid even after the thing is fixed I'll be riding a time bomb now that I know that the bottom end hasn't been treated well.
 
In my market I might be able to fetch what I paid for it, or trade for something less explosive.
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2007 Kawasaki KX250F
1984 Yamaha Virago
1982 Honda V45 Sabre
1996 Kawasaki ZX6R
2009 Kawasaki Ninja 250
1984 Honda V65 Magna (Favorite)
1982 Kawasaki KZ750E
2005 Suzuki M50
1983 Honda Goldwing Aspencade
2007 Hyosung GT250R
1991 Honda ST1100 (current)

Christianleon266

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Re: Broken Clutch Drive plates.
« Reply #3 on: May 19, 2018, 06:00:22 AM »

Just an update:

Pulled the oil pump out, since it sees all the shit oil and shavings. Some very light pitting and scoring along the walls, but nothing catastrophic. Gives me hope that the rest of the motor is ok and still servicable.
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2007 Kawasaki KX250F
1984 Yamaha Virago
1982 Honda V45 Sabre
1996 Kawasaki ZX6R
2009 Kawasaki Ninja 250
1984 Honda V65 Magna (Favorite)
1982 Kawasaki KZ750E
2005 Suzuki M50
1983 Honda Goldwing Aspencade
2007 Hyosung GT250R
1991 Honda ST1100 (current)

Christianleon266

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Re: Broken Clutch Drive plates.
« Reply #4 on: May 19, 2018, 09:58:07 AM »

Kind of a last update before I wait for the used basket to arrive. Removed the valve covers to see if any of the nasty stuff went upstairs to the valves. They look great, no pitting on the camshafts and associated bearings. Find it odd ball bearings are used but I guess thats the standard now, used to working on 80's bikes gets to you. lol.


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2007 Kawasaki KX250F
1984 Yamaha Virago
1982 Honda V45 Sabre
1996 Kawasaki ZX6R
2009 Kawasaki Ninja 250
1984 Honda V65 Magna (Favorite)
1982 Kawasaki KZ750E
2005 Suzuki M50
1983 Honda Goldwing Aspencade
2007 Hyosung GT250R
1991 Honda ST1100 (current)

umop-ǝpisdn

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Re: Broken Clutch Drive plates.
« Reply #5 on: May 19, 2018, 11:43:07 AM »

The 2fiddy uses ball bearings for the cams?! Damn! The 650 has literally no bearing. The cam sits against the head itself and the cam holder, clam shell style, closes above it!
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I used to be a sensitive, new age guy, but times have changed and now I am more of a caring, understanding, ninties type.

umop-ǝpisdn

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Re: Broken Clutch Drive plates.
« Reply #6 on: May 19, 2018, 11:48:06 AM »

...ohh and I should add:

I follow your logic regarding the decision to sell the bike. It's hard to say what, if any, effect the metal shavings have had.

The replacement clutch basket is one thing, but anything that results from the problem later on down the track will have you kicking yourself. The saying "No point following good money with bad", springs to mind.
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I used to be a sensitive, new age guy, but times have changed and now I am more of a caring, understanding, ninties type.

Christianleon266

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Re: Broken Clutch Drive plates.
« Reply #7 on: May 19, 2018, 01:11:44 PM »

Very true, I will keep you guys posted on an outcome. More then likely once it is ridable I will post it for sale for the price I want. We shall see.
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2007 Kawasaki KX250F
1984 Yamaha Virago
1982 Honda V45 Sabre
1996 Kawasaki ZX6R
2009 Kawasaki Ninja 250
1984 Honda V65 Magna (Favorite)
1982 Kawasaki KZ750E
2005 Suzuki M50
1983 Honda Goldwing Aspencade
2007 Hyosung GT250R
1991 Honda ST1100 (current)

Christianleon266

  • Crown Service Technician. 80's bike enthusiast.
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  • Posts: 113
Re: Broken Clutch Drive plates.
« Reply #8 on: May 25, 2018, 10:53:53 AM »

So the bike rides well with the new clutch plates. A little sluggish but def. improvement. Neutral is easy to find. Will change the oil and go from there.
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2007 Kawasaki KX250F
1984 Yamaha Virago
1982 Honda V45 Sabre
1996 Kawasaki ZX6R
2009 Kawasaki Ninja 250
1984 Honda V65 Magna (Favorite)
1982 Kawasaki KZ750E
2005 Suzuki M50
1983 Honda Goldwing Aspencade
2007 Hyosung GT250R
1991 Honda ST1100 (current)

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