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Clutch release arm suddenly no give (Read 176 times)
lulublacksheep
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Clutch release arm suddenly no give
10/25/21 at 23:22:15
 
Howdy,
So my husband bought me a bobbed out ‘02 Savage that sat for several years. Before he gave it to me he let someone ride it who immediately threw it into a curb. I love this bike, but it has been one repair after another. I’ll get it running 100%, then something else will act up. I’ve managed to solve all the problems, until now.
First it wouldn’t shift into neutral with the engine on. It would jump right to gear, but I’d throw out the kickstand to kill the engine, and I could then put it in neutral. Then after a few rides, it wouldn’t shift up at all. It also wouldn’t completely disengage, and would still move forward in neutral. I noticed my clutch cable was frayed down to one wire. I thought that was my problem so I went to repair it with an emergency repair cable for the weekend trip I was on. But then realized the end of the release arm was pushed all the way down below the two lines on the crank case. The arm wouldn’t move up at all. I took the crank case off and the arm assembly worked like it was supposed to. I took the release plate off and inspected it. I go to put the case back on for more testing, and it will barely go on because there’s no clearance between the pushrod and the release cam. I’ve tightened the spring bolts to 10 foot lbs, but the release plate seems to be extended out so much farther than what I see in photos and videos. I’m guessing my next move is to take the clutch basket apart and inspect everything. I’m thinking about testing it with a shorter pushrod, but what would cause the release plate to be extended out enough for me to need a shorter pushrod? That’s why I feel like I need to inspect the plates and maybe the pressure plate… etc. This all happened a couple months after I changed the oil so I don’t suspect that’s the issue.
This is my first bike and I wouldn’t be surprised if I was too hard on the clutch when I was learning. I also don’t downshift with my speed which I’m guessing may be a problem. There wasn’t any kind of metal shavings though. Or discoloration that I could see.

Also… the bike is shifting up and down fine now on the lift. I haven’t ridden it since the clutch stopped fully disengaging because I also have no front brake. But that’s a whole other issue. I’m just about ready for something that wants to be ridden as much as I want to ride.
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DragBikeMike
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Re: Clutch release arm suddenly no give
Reply #1 - 10/26/21 at 13:08:40
 
Howdy to you Lulu.

I'm having trouble understanding exactly what you are seeing.  

"But then realized the end of the release arm was pushed all the way down below the two lines on the crank case. The arm wouldn’t move up at all."

Any way you could post a picture of the condition you describe?  Preferably with the clutch cable disconnected from the lever arm on the clutch cover.  Just let the weight of a crescent wrench hold the lever in place, like this.
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Release_Lever_Alignment_45_5_mm_rod_Hybrid_001.jpg

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DragBikeMike
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Re: Clutch release arm suddenly no give
Reply #2 - 10/26/21 at 13:13:45
 
Can you post a picture of your release plate?  Like this.
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Special_Bolts_for_Clearance2.jpg

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Re: Clutch release arm suddenly no give
Reply #3 - 10/26/21 at 13:21:25
 
Can you inspect the hole in the "push piece" (Pc 19)?  Remove the pushrod and look in the hole.  Make sure that no one has tried to extend the pushrod length by inserting a small ball or rod into the hole.  This hole, in the center of the picture.
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Release_Bearing.jpg

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DragBikeMike
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Re: Clutch release arm suddenly no give
Reply #4 - 10/26/21 at 13:33:06
 
Can you check the number of plates in your clutch.  You should have 6 fiber plates and 5 steel plates.  Sometimes, folks try to fix a slipping lutch by adding extra plates.  That eats up all the release travel.  Make sure you don't have an extra steel plate in there, or an extra fiber plate.  Notice that the outermost fiber plate is different.  It is a bit thicker than other fiber plates.  Is your outer fiber plate a bit thicker?  Can you post a picture like this one?
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Stock_Clutch_Pack.jpg

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DragBikeMike
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Re: Clutch release arm suddenly no give
Reply #5 - 10/26/21 at 13:40:35
 
You have already removed the release plate so you know how to do that.  If you remove the release plate, you should be able to push the pressure disk all the way in with your fingers.  If you push it all the way in it will hit the hard stops in the basket.  Then you can check the pressure disk travel with feeler gages.  It should be about .16" (4mm).  Can you check that and post a photo, like this?
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Press_Disc_Travel_Stock__1572_001.jpg

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TheSneeze
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Re: Clutch release arm suddenly no give
Reply #6 - 10/26/21 at 13:43:56
 
You really can't pay for better help than you find on this forum!  You guys are awesome!
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Re: Clutch release arm suddenly no give
Reply #7 - 10/26/21 at 13:59:38
 
The outer fiber plate has a larger inside diameter to accommodate the wave washer & seat.  If that outer plate gets mixed up the wave washer & seat will be sandwiched between a fiber plate and the adjacent steel plate.  That's why it's important that the special outer plate (pc 9) be in the correct location.  If the wave washer and seat get pinched between plates, it will eat up all the clutch travel, like the problem you are experiencing.  The wave washer assembly should look like this when installed correctly in the special outer plate.
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Wave_Washer_1.jpg

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Tocsik
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Re: Clutch release arm suddenly no give
Reply #8 - 10/26/21 at 14:00:06
 
TheSneeze wrote on 10/26/21 at 13:43:56:
You really can't pay for better help than you find on this forum!  You guys are awesome!


I agree with you so much, and say the same thing in my head every day.  Amazing wealth of knowledge here and willingness to share it.
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Re: Clutch release arm suddenly no give
Reply #9 - 10/26/21 at 14:05:52
 
Is the special washer (pc 7) in the correct location.  It's easy to mix it up with the washer (pc 2) that goes behind the basket.  If those washers are reversed it might prevent the basket from rotating independent of the hub.  Make sure there is only one washer between the hub and basket.  It should look like this.
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Re: Clutch release arm suddenly no give
Reply #10 - 10/26/21 at 14:07:10
 
Is the hub nut tight?  This seems like an unlikely source of your problem but hey, ya never know.
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Hub_Nut.jpg

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Re: Clutch release arm suddenly no give
Reply #11 - 10/26/21 at 14:17:52
 
If you can post the photos I have requested, it should help us zero in on your problem.  Be careful with the condition you are presently experiencing.  Don't force the hand lever.  It will break the release cam or possibly the engine case bracket for the clutch cable.  You don't want to do either.  If you have been yanking hard on the lever, I would inspect the cable bracket on the engine case to make sure it isn't cracked, and I would replace the release cam (pc 23) regardless of how it looks.  If a small fracture has started, it could be catastrophic.

This is the cable bracket I am referring to.
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Clutch_Cable_Bracket.jpg

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Re: Clutch release arm suddenly no give
Reply #12 - 10/26/21 at 14:19:15
 
This is what happens when a release cam breaks.  All that stuff will go through the primary drive.
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MMRanch_Clutch_Release_Cam_001.jpg

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ohiomoto
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Re: Clutch release arm suddenly no give
Reply #13 - 10/26/21 at 15:01:35
 
DragBikeMike wrote on 10/26/21 at 14:07:10:
Is the hub nut tight?  This seems like an unlikely source of your problem but hey, ya never know.
-----

And to prove his point, the hub on my bike was loose.  Smiley
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Re: Clutch release arm suddenly no give
Reply #14 - 10/26/21 at 15:16:20
 
Hey Ohiomoto, what symptoms did you have when the nut was loose?

Ooooooops!  Forgot on thing.  Make sure that someone hasn't installed a steel plate out against the Hub.  The special outer fiber plate (pc 9) runs against the aluminum flange on the hub.  Inserting a steel plate between the hub and the outer fiber will eat up all the travel.  You don't want this.
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Extra_Steel_Wrong_Location2_markup_001.jpg

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