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Old 02-27-2013, 05:43 PM   #1
JLC640 OP
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Help 990 adv transmission problem

Went for a ride This afternoon on my 08 990 Adventure S. Stopped at a stop sign on a country road looked right then left and preceded to make the left hand turn. Just as i let out the clutch to go a car came fling around a turn on my right. I locked down both brakes and pulled in clutch and came to a rapid stop but could not catch the bike before it fell gently on its left side. It fell so gently that it did no damage to the bike, I thought. picked the bike up and started engine and there was a loud rattling coming from the bottom end put the bike in 1st it went away. Then released the clutch and it moved a few feet and stopped and started making noise again. I then turned the engine off and haul the bike home.
Did My Transmission Just Grenade?

JLC640 screwed with this post 02-27-2013 at 05:51 PM
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Old 02-27-2013, 05:50 PM   #2
slidewayes
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did the shift lever get bent or even hit the ground?
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Old 02-27-2013, 05:54 PM   #3
JLC640 OP
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It may have hit the ground but did not bend. I almost was able to catch the bike so it laid down very lightly.
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Old 02-27-2013, 07:12 PM   #4
sstewart
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Shift Drum?

Lets hope to hell not!
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Old 02-28-2013, 07:03 AM   #5
Vicks
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This is very strange. Never heard of such an occurance.

- So, the bike was in gear (obviously) when you "lay'ed 'er down" and then the engine turned off, while the bike was down ?
- Then you picked up the bike, put it into neutral and then, started the engine ? whereupon the said noise occurred but went away after putting it into 1st.
- You started riding the bike and then it stopped, alongwith the same noise short distance later ? Did it stop abruptly as if u hit a wall Or did it come to a gradual stop like you were braking ?
- Does the rear wheel move with the transmission in neutral ?
- does the transmission shift through all the gears ? with and without the use of clutch ?
- what happens if you put the bike in gear and try to move the wheel without pulling in the clutch ?
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Old 02-28-2013, 03:47 PM   #6
JLC640 OP
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After putting the bike in first and traveling a very short distance on a slight decline it was like the bike quit pulling not an abrupt stop.
Yes the rear wheel moves with the bike in neutral and sometimes when the bikes in first. The bike seems to be shifting normally.
This is crazy! I have been searching the internet and cannot find anyone else that has had a similar issue. I don't know what to do other than start tearing the motor apart.
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Old 02-28-2013, 03:57 PM   #7
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Could this possibly have anything to do with some of the clutch issues I have read about?
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Old 02-28-2013, 05:02 PM   #8
JLC640 OP
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Help 990 adv transmission problem

Went for a ride This afternoon on my 08 990 Adventure S. Stopped at a stop sign on a country road looked right then left and preceded to make the left hand turn. Just as i let out the clutch to go a car came fling around a turn on my right. I locked down both brakes and pulled in clutch and came to a rapid stop but could not catch the bike before it fell gently on its left side. It fell so gently that it did no damage to the bike, I thought. picked the bike up and started engine and there was a loud rattling coming from the bottom end put the bike in 1st it went away. Then released the clutch and it moved a few feet and stopped and started making noise again. I then turned the engine off and haul the bike home.
Did My Transmission Just Grenade?
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Old 03-01-2013, 02:58 AM   #9
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Sounds like something got slightly bent. Gear lever, other end of the gearlever shaft, shift drum star shaped thing or a shift fork.

Everything except the last item are servicable with the engine in the frame. Dont ride it until you get it checked out or it will round off the gear dogs and cost even more.
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Old 03-01-2013, 03:56 AM   #10
Vicks
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Quote:
Originally Posted by JLC640 View Post
After putting the bike in first and traveling a very short distance on a slight decline it was like the bike quit pulling not an abrupt stop.
Yes the rear wheel moves with the bike in neutral and sometimes when the bikes in first. The bike seems to be shifting normally.
This is crazy! I have been searching the internet and cannot find anyone else that has had a similar issue. I don't know what to do other than start tearing the motor apart.
You say "sometimes when the bikes in first" - is this with the clutch lever pulled ? Without the clutch lever pulled in, the wheel should not move when in gear.

I asked you a set of questions with some theories in mind and you just threw back a bunch of words. unless you provide proper answers nobody will be able to help. Stop going around like a headless chicken, relax and provide information correctly and in as much detail as you can.





Quote:
Originally Posted by JLC640 View Post
Could this possibly have anything to do with some of the clutch issues I have read about?
what clutch issues are you talking about ?
clutch rotor bolts or clutch slave clutch oil jet ? clutch pushrod ? clutch plates alignment ?clutch booster ram damage ?
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Old 03-01-2013, 04:05 AM   #11
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I know it's a long shot but it hasn't caught the stand and cracked anything?
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Old 03-01-2013, 03:46 PM   #12
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A little more information With the engine off the bike in first gear the bike will not roll forward but will roll backward with a grinding sound. This is without the clutch pulled in. After you roll the bike backwards the bike will roll forward about a foot while making a grinding noise before catching. When you start the bike in neutral with the clutch pulled in it does not make a noise. when you let the clutch out it starts a loud rattling.
Guys thanks for your input on my issue. I am fishing for any information i can get. I realize i am going to have to take it to the shop, just can't afford it at this time. I would be happy with some idea of what going on with it. Might sleep better at night.
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Old 03-01-2013, 11:05 PM   #13
Vicks
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Looks like there is something broken and stuck between two gear wheels. Could be a piece of clutch plate stuck between the primary and clutch hub. Could be broken dog in side the gear box. Can't say without further diagnosis / pictures.

Could be anything, so you will have to start getting into it. Its not tough at all untill you have to split the cases.

I would recommend :

1. Take the clutch cover off (RHS of the bike - smaller cover with 6 bolts) and see if you can find anything abnormal there.
2. If all looks ok, then drain the coolant and take off the RHS case cover to see if there is anything wrong.

post detailed pics of what you do and what you see in there. Will help in diagnosing.

The above two steps are easier and quicker than getting into the gear box which involves splitting the case. They can be done using the standard tools provided in your tool kit and for step 1, put the bike on side stand so you will not lose any oil either. Get a hold of the repair manual if you don't have one. best 40$ you can ever spend.

good luck. try the above steps and report back.
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Vicks screwed with this post 03-01-2013 at 11:11 PM
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Old 03-02-2013, 04:53 AM   #14
Sumi
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Can you post a video of the grinding sound?
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Old 03-02-2013, 05:38 AM   #15
johnno950
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Quote:
Originally Posted by JLC640 View Post
A little more information With the engine off the bike in first gear the bike will not roll forward but will roll backward with a grinding sound. This is without the clutch pulled in. After you roll the bike backwards the bike will roll forward about a foot while making a grinding noise before catching. When you start the bike in neutral with the clutch pulled in it does not make a noise. when you let the clutch out it starts a loud rattling.
Guys thanks for your input on my issue. I am fishing for any information i can get. I realize i am going to have to take it to the shop, just can't afford it at this time. I would be happy with some idea of what going on with it. Might sleep better at night.
Maybe your chain has come of the countershaft sprocket,have a look under the cover,thats were i would look,or thake it to your local ktm dealer,those guys are amazing...
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