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ThinRedPaste
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« on: May 27, 2015, 10:10:43 PM » |
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Recently my 98 valk tourer started making a concerning noise. As I let the clutch lever out to pull away from a stop, the clutch makes a low pitched whine/squeal noise. As the clutch engages it gets lower in pitch but louder in volume. It seems to engage fine and the noise goes away as soon as its fully engaged, but I've been afraid to ride it since it happened. The bike has about 147k miles on it, and the oil was last changed about a thousand miles ago. My financial situation at the time dictated the use of pretty cheap oil, so I'm going to drain it and throw some better stuff in there as a test tomorrow. Assuming that doesn't fix it, how boned is my clutch?
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Bighead
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« Reply #1 on: May 27, 2015, 11:08:26 PM » |
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Has clutches ever been replaced? It could be related to the oil (I assume ) if the oil has friction modifiers.
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1997 Bumble Bee
1999 Interstate (sold)
2016 Wing
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ThinRedPaste
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« Reply #2 on: May 27, 2015, 11:46:56 PM » |
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As far as I know, it still has the original clutches. I know I haven't replaced them in the ~40k miles i've put on the bike. The oil shouldn't have had friction modifiers - it was motorcycle oil, but it was the cheapest motorcycle oil I could find. I don't even remember what brand it was. Still, its worth ruling out before I go and spend money on clutches.
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98valk
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« Reply #3 on: May 28, 2015, 03:10:37 AM » |
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As far as I know, it still has the original clutches. I know I haven't replaced them in the ~40k miles i've put on the bike. The oil shouldn't have had friction modifiers - it was motorcycle oil, but it was the cheapest motorcycle oil I could find. I don't even remember what brand it was. Still, its worth ruling out before I go and spend money on clutches.
any Diesel oil is much, much better than any m/c oil. Supertech 15w40 is most likely the lowest cost u will find. it is a very good oil, see used oil analysis results at www.bobistheoilguy.com |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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Chrisj CMA
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« Reply #4 on: May 28, 2015, 04:28:03 AM » |
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could be the actuator rod inside the slave cylinder, sometimes they get dry and make a noise. I think you would have to take the slave cylinder off the back of the motor and put a dab of grease on the end of the push rod
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ThinRedPaste
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« Reply #5 on: May 28, 2015, 01:21:48 PM » |
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Wow, looks like I was way off. After changing the oil (rotella diesel oil) and going for a ride with a less enclosed helmet, it now sounds like the noise isn't coming from the clutch at all. Actually sounds like a belt slipping up front. replacing a belt is infinitely preferable to replacing clutches.
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98valk
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« Reply #6 on: May 28, 2015, 02:13:48 PM » |
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Wow, looks like I was way off. After changing the oil (rotella diesel oil) and going for a ride with a less enclosed helmet, it now sounds like the noise isn't coming from the clutch at all. Actually sounds like a belt slipping up front. replacing a belt is infinitely preferable to replacing clutches.
if it slips u will bend a valve or worst. don't run/ride until u inspect the belts per the manual. |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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Gryphon Rider
Member
Posts: 5227
2000 Tourer
Calgary, Alberta
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« Reply #7 on: May 28, 2015, 03:11:39 PM » |
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The belt won't slip; it's a toothed belt. The tensioner bearings might be making noise, though.
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ThinRedPaste
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« Reply #8 on: May 28, 2015, 08:55:50 PM » |
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The belt won't slip; it's a toothed belt. The tensioner bearings might be making noise, though.
Would that be an urgent "don't ride it until this is fixed" thing or can it wait a couple of days? Also, why would it only make the noise while the clutch is partially engaged and the bike is not really moving yet? |
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Gryphon Rider
Member
Posts: 5227
2000 Tourer
Calgary, Alberta
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« Reply #9 on: May 28, 2015, 10:28:09 PM » |
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The belt won't slip; it's a toothed belt. The tensioner bearings might be making noise, though.
Would that be an urgent "don't ride it until this is fixed" thing or can it wait a couple of days? Also, why would it only make the noise while the clutch is partially engaged and the bike is not really moving yet? Noisy tensioner bearings are not a "don't ride it" thing, but should be taken care of soon, and certainly before a trip. If it only makes noise when you have the the clutch lever pulled in, I would do as Chrisj CMA says and grease the end of the clutch push rod. |
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98valk
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« Reply #10 on: May 29, 2015, 02:58:06 AM » |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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Gryphon Rider
Member
Posts: 5227
2000 Tourer
Calgary, Alberta
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« Reply #11 on: May 29, 2015, 05:26:23 AM » |
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The symptoms in that post are completely different from ThinRedPaste's. |
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DK
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« Reply #12 on: May 29, 2015, 06:24:04 AM » |
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Wow, looks like I was way off. After changing the oil (rotella diesel oil) and going for a ride with a less enclosed helmet, it now sounds like the noise isn't coming from the clutch at all. Actually sounds like a belt slipping up front. replacing a belt is infinitely preferable to replacing clutches.
If that belt up front was slipping enough to make discernible sound, you would be hearing other percussive banging metallic sounds along with it. Dan |
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Machinery has a mysterious soul and a mind of its own.
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Firefighter
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« Reply #13 on: May 29, 2015, 09:54:06 AM » |
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two cents: could the front brake be dragging or tight where you only notice it when beginning to roll?
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2000 Valkyrie Interstate, Black/Red
2006 Honda Sabre 1100
2013 Honda Spirit 750
2002 Honda Rebel 250
1978 Honda 750
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ThinRedPaste
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« Reply #14 on: May 29, 2015, 12:25:14 PM » |
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no, its not the brake. its a rotational sound that changes pitch and volume based on engine speed and clutch position (lower pitch and louder volume as the clutch engages, then stops once fully engaged), but not the speed of the bike.
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Gryphon Rider
Member
Posts: 5227
2000 Tourer
Calgary, Alberta
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« Reply #15 on: May 29, 2015, 12:45:30 PM » |
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I have what I think is the same noise you describe, a rotational whirring kind of sound that happens when the clutch lever is pulled in. For me it doesn't happen with normal use of the clutch, but happens when I've been riding the clutch, like for slow speed skills practice, and is present sooner when the ambient temperature is hotter. One of these days I'll pull my slave cylinder off to lubricate the push rod. I'll try to remember to take pictures and do a write-up.
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ThinRedPaste
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« Reply #16 on: May 29, 2015, 02:33:58 PM » |
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Went for a little info gathering ride just now with a half helmet on so I could hear the noise better. The noise has mysteriously vanished. These valkyries have a good, strong immune system, don't they?
Will advise if the noise comes back.
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BnB Tom
Member
Posts: 1708
Where'd old times go?
Frisco, TX
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« Reply #17 on: May 30, 2015, 06:07:51 AM » |
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Hook#3287
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« Reply #18 on: May 31, 2015, 04:19:28 PM » |
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ThinRedPaste
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« Reply #19 on: June 16, 2015, 05:15:26 PM » |
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well, the noise came back. actually it came back a day or two after my last post, but i had been busy with my other bike (and then the air conditioner in my house died) in the meantime so i've just not been riding the valkyrie for a while. So far this thread has turned up two possible causes - clutch push rod needs grease or belt tensioner is squeaking. How do I go about greasing the clutch push rod, and is the tensioner something I could hit with something like WD40 or would it need replaced?
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Ramie
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« Reply #20 on: June 16, 2015, 05:29:57 PM » |
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Don't know if the tensioner pull is a sealed bearing or not, fairly new to Valks but I would make sense as you say the noise changes. As you let the clutch out it would put a bigger load on the engine which would put a little more torque on the belt and the tension pulley. I wouldn't use wd40 on a bearing. I'm sure someone with a lot more experience than me will chime in but typically the only real repair is to replace the tensioner pulley it that's the problem.
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“I am not a courageous person by nature. I have simply discovered that, at certain key moments in this life, you must find courage in yourself, in order to move forward and live. It is like a muscle and it must be exercised, first a little, and then more and more. A deep breath and a leap.”
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Michvalk
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« Reply #21 on: June 17, 2015, 04:44:02 AM » |
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A belt pulley would not stop squeeling when the clutch is released, and fully engaged! They are completely different things! The clutch slave is on the rear of the motor, and is fairly easy to remove, and the pin that sticks out of the slave is the point you need to grease. It could be something else, but, I have no idea what it could be with the description you gave  |
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ThinRedPaste
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« Reply #22 on: June 18, 2015, 03:01:09 AM » |
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What kind of grease should I use for that?
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Michvalk
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« Reply #23 on: June 18, 2015, 03:58:23 AM » |
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Just about any non-moly grease will work fine, like a wheel bearing grease. You only need a small dab on the end of the rod |
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ThinRedPaste
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« Reply #24 on: June 18, 2015, 06:09:38 AM » |
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i cant get the cylinder loose - one of the bolts is hitting the kickstand mount and i cant get enough clearance to get it out of there nohow. are those little bushings supposed to stay in the motor casing or should they have pulled out with the cylinder? cause if i loosen the bolt and pull the slave back from the motor, it looks like that little bushing dealy is keeping me from getting the bolt out. its soo close, like a 16th of an inch. if i have to remove the kickstand mount im hosed, i've got no other way to support the bike. I am WOEFULLY underequipped. my workspace doesnt even have a light.
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« Last Edit: June 18, 2015, 06:25:59 AM by ThinRedPaste »
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ThinRedPaste
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« Reply #25 on: June 18, 2015, 06:51:49 AM » |
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After extensive macguyvering involving two screwdrivers, a metal file, and a bungee cord, I may have gotten some grease in where it needed to go. or maybe I've completely destroyed my motorcycle. who knows!? Stay tuned for the thrilling conclusion after this test ride.
update: So far so good on the noise. seems to be gone, but its hidden from me before. In less happy news, I dumped the damn bike as I was getting back from my test ride. Its fine, I'm fine, the nice soft dirt broke my fall. Had to get backup to help me get it upright, it had fallen so the top side was down a slope and I wasn't getting the sucker back up from that on my own. Its a little unhappy right now but nothing is broken. Mud on the mirror just means its been ridden for real, right?
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« Last Edit: June 18, 2015, 08:19:31 AM by ThinRedPaste »
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