Topic: Clutch slipping on Triumph 675  (Read 13856 times)

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Offline 1fastrider

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Clutch slipping on Triumph 675
« on: 11/13/16 09:59AM »
On my '14 675R when I'm riding and grab a handful of throttle the revs increase sometimes all the way up  to the limiter before I start accellerating.  I'm assuming "clutch" is bad but not sure what to check for or how to crack the bike open to see how bad it is.  Would rather not drop $$ for a shop to diagnose.  Anyone have experience with this bike or clutch probs? 
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Offline thtanner

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Re: Clutch slipping on Triumph 675
« Reply #1 on: 11/13/16 10:09AM »
Assuming you've checked the clutch cable and adjustment?

Another thing to ask if you've used any odd oil lately, as some car/truck oil that is 'high mileage' has friction modifiers that can cause clutch slippage.

Otherwise cracking the clutch open isn't too bad. Could just be time to swap the clutch plates and springs.

Offline Rogue

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Re: Clutch slipping on Triumph 675
« Reply #2 on: 11/13/16 12:05PM »
I have no idea what's wrong with the bike but, how can a clutch go on a relatively new bike?

Offline r0ckrat

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Re: Clutch slipping on Triumph 675
« Reply #3 on: 11/13/16 12:35PM »
Assuming you've checked the clutch cable and adjustment?


+1 - and adjust clutch at the tranny before adjusting slack in the cable. Plates wear, so throw needs to be periodically adjusted if it's not a hydraulic or other form of self-adjusting clutch.

Offline The Cycle Guy

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Re: Clutch slipping on Triumph 675
« Reply #4 on: 11/13/16 01:06PM »
I have no idea what's wrong with the bike but, how can a clutch go on a relatively new bike?

It's totally possible.  We have no idea how many miles are on the bike.  Hard starts, clutching up wheelies, failing to fully pull the clutch in, a misadjusted cable, or maybe even misaligned parts from the factory could all cause a clutch to fail sooner than expected.  I'm not saying any of these reasons are the cause here, but there are many possibilities.

Offline luciano136

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Re: Clutch slipping on Triumph 675
« Reply #5 on: 11/13/16 06:03PM »

Definitely seems early for clutch issues.  I had trouble shifting when mine wore out but I did have 40k mi on it. 

Offline Throttle Chopper

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Re: Clutch slipping on Triumph 675
« Reply #6 on: 11/13/16 07:46PM »
On my '14 675R when I'm riding and grab a handful of throttle the revs increase sometimes all the way up  to the limiter before I start accellerating. 

Do you mean you pull in the clutch and the bike revs to redline?  Try adjusting your clutch cable first, but this sounds more like an ECM problem or vacuum leak.  When your clutch is slipping it will start out with not engaging fully when released, but not necessarily revving to redline unless you are hamfisted with your throttle, and typically when hot or cold.  If you suspect a slipping clutch it might help to do a fresh oil change, and see if the problem persists.
« Last Edit: 11/13/16 07:52PM by Throttle Chopper »
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Offline 1fastrider

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Re: Clutch slipping on Triumph 675
« Reply #7 on: 11/13/16 08:08PM »
have not gone to look at how to adjust the cables yet.  will do that tomorrow though and see if i can figure it out.
Bike has about 13k miles on it.  No wheelies or clutch nonsense.  no track days. couple canyon riders but mainly it's a commuter. 
just did oil change on Saturday w/ synthetic and no diff.  I usually change it around 3k miles or so.

@Chopper:  not using the clutch.  I'm in a gear (any one) at steady speed and roll on the throttle, revs increase but don't feel any forward thrust until the revs come back down.  shifts always feel clean and crisp.
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Offline SUPERCHICKEN

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Re: Clutch slipping on Triumph 675
« Reply #8 on: 11/14/16 07:35AM »
smell the oil, does it smell burnt.

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Offline r0ckrat

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Re: Clutch slipping on Triumph 675
« Reply #9 on: 11/14/16 09:09AM »
It's interesting to me that I can't find the clutch adjustment procedure online for the Triumph... There's an incredibly detailed writeup on it on SVRider, but it's for a Suzuki...

Let me know if you are interested in reading it just to see if it's similar, and I can post the link.

Offline 1fastrider

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Re: Clutch slipping on Triumph 675
« Reply #10 on: 11/14/16 03:13PM »
found both the owners manual and shop manual and how to adjust clutch cable.  Works great now.  Apparently not enough free play in the cable.  Silly me but I've never had to adjust the cable before.  yay me

Thanks all for the suggestions. Oh and to Chicken: no burn smells
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Re: Clutch slipping on Triumph 675
« Reply #11 on: 11/14/16 05:16PM »
Sweet deal  :49:

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Re: Clutch slipping on Triumph 675
« Reply #12 on: 11/14/16 06:06PM »
found both the owners manual and shop manual and how to adjust clutch cable.  Works great now.  Apparently not enough free play in the cable.  Silly me but I've never had to adjust the cable before.  yay me

Thanks all for the suggestions. Oh and to Chicken: no burn smells
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Offline luciano136

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Re: Clutch slipping on Triumph 675
« Reply #13 on: 11/14/16 08:17PM »

Nice!  Glad to hear it was as simple as that :)

Offline 1fastrider

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Re: Clutch slipping on Triumph 675
« Reply #14 on: 11/14/16 08:31PM »
WHAT!? You broke a man rule and read the manual! Turn in your man card buddy!  ;D
I won't apologize.  I tried the adjuster by the lever but no go. didn't know where else to adjust so had to check. loosen lock nut, turn adjuster.  super complicated!
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Re: Clutch slipping on Triumph 675
« Reply #15 on: 11/14/16 10:52PM »
If your clutch free play changed very quickly you might want to replace the cable to be on the safe side.

It may be frayed and on its way out.
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Offline Throttle Chopper

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Re: Clutch slipping on Triumph 675
« Reply #16 on: 11/15/16 06:07AM »
If your clutch free play changed very quickly you might want to replace the cable to be on the safe side.

It may be frayed and on its way out.

Or just be sure to lube the cable with a cable luber and some Chain Wax... 
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Offline 1fastrider

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Re: Clutch slipping on Triumph 675
« Reply #17 on: 11/15/16 11:33AM »
no fraying at either end.  i'll look into the cable lube thing
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Offline Punisher

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Re: Clutch slipping on Triumph 675
« Reply #18 on: 11/17/16 06:41PM »
Do you always heep a little free play in your lever. ThT keeps the clutch h from slipping when you aren't pulling the lever.  Also, you don't keep the clutch lever pulled while riding do you?  Riding the clutch kills em quick. You can keep the lever covered, but do not pull it at all when not shifting. 

Whatcha mean tried to adjust at the lever but no go?

 

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