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07-21-2008, 01:09 AM
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#1 (permalink)
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Silver Subscriber
Member #1366
Posts: 4,625
Join Date: Oct 2003
Location: Switzerland
Sportsbike: TL1000S
Riding Experience: Since 1999
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rufer
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Gearbox problem. Downshifting impossible
Hi all
My race TLS doesn't shift down any more. When I wanted to shift back from 4th to 3rd, the lever didn't move. I ended up with the transmission blocked in 6th gear. Note the bike still runs, but I can't change gear any more.
I inspected the shifter mechanism and everything seems normal. The shift shaft still moves some degrees left and right (it's like in 6th gear where you can't shift more up, but it is the same when you try to shift down).
Any ideas?? I'll try to remove the GPS to see if there is something wrong from this side.
Otherise this sounds like splitting the engine  
Forgot: The oil didn't contain any metal, everything seemed normal.
Greetings
Rufer
__________________
2x TL1000SW, candy jade lime yellow. TL1000cup.de champion 2007, 2008 & 2009
Last edited by rufer; 07-21-2008 at 01:33 AM..
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07-21-2008, 01:11 AM
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#2 (permalink)
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Upside Down Super Mod
Member #103
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Steve TLS
is TLess
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07-21-2008, 01:57 AM
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#3 (permalink)
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WSB Pit boss
Member #2708
Posts: 7,736
Join Date: May 2004
Location: Athens - Greece
Sportsbike: TLS 1000, Husqy 610 SM, Enfield Bullet 500
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Gigas
misses his lost
innocence...
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I had this happening just ONCE.
It was in fourth, I could upshift into 5th and 6th and back into 4th. Not lower.
It lasted about five minutes.
Not lower than 4th in any case.
Suddenly it went away just as it appeared.
When I split the motor much much later after the crank went south, the dogs and the trans sprockets were in perfect condition. I never came to discover what happened there.  |
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07-21-2008, 02:13 AM
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#4 (permalink)
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Silver Subscriber
Member #1366
Posts: 4,625
Join Date: Oct 2003
Location: Switzerland
Sportsbike: TL1000S
Riding Experience: Since 1999
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Life Wasted on TLZone: 3 Weeks, 6 Days and 5:37:36 Hours
rufer
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Well I did a whole lap in 6th (on a very slow circuit  ) and really couldn't shift any more. I almost burned the clutch limping back to the pits. We tried everything in the pits but it wouldn't shift down.
I tried again after letting it cool down but it refuses to shift down.
Greetings
Rufer
__________________
2x TL1000SW, candy jade lime yellow. TL1000cup.de champion 2007, 2008 & 2009
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07-21-2008, 02:18 AM
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#5 (permalink)
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WSB Pit boss
Member #2708
Posts: 7,736
Join Date: May 2004
Location: Athens - Greece
Sportsbike: TLS 1000, Husqy 610 SM, Enfield Bullet 500
Riding Experience: Always learning...
Pictures: 0
Life Wasted on TLZone: 1 Year, 5 Months, 2 Weeks, 2 Days and 14:01:41 Hours
Gigas
misses his lost
innocence...
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Quote:
Originally Posted by rufer
I tried again after letting it cool down but it refuses to shift down.
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Then I guess I were lucky it unlocked
Actually, I expected it to come back worse and eventually block in some gear but it didn't... Not that I skipped splitting the motor anyway 
I wish I could give you more info about it.
Try it again, push it forth and back.. Run the motor, turn it off again... I don't know what else to say |
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07-21-2008, 02:28 AM
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#6 (permalink)
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Silver Subscriber
Member #1366
Posts: 4,625
Join Date: Oct 2003
Location: Switzerland
Sportsbike: TL1000S
Riding Experience: Since 1999
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Life Wasted on TLZone: 3 Weeks, 6 Days and 5:37:36 Hours
rufer
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I don't know either. What you describe happened to me too, but always cleared up itself in the next corner.
I'm hoping for some technical input what could cause such symptoms. First idea was shifter mechanism, but that wasn't the case unfortunately.
Greetings
Rufer
__________________
2x TL1000SW, candy jade lime yellow. TL1000cup.de champion 2007, 2008 & 2009
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07-21-2008, 05:02 AM
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#7 (permalink)
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Just call me Ragnar Danneskjöld
Member #2079
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BikePilot
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I'm afraid I'm not much help. Thankfully I've never had cause to get into a TL gearbox. I suspect Doug or Sam will have some useful input though 
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07-21-2008, 02:42 PM
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#8 (permalink)
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Silver Subscriber
Member #1366
Posts: 4,625
Join Date: Oct 2003
Location: Switzerland
Sportsbike: TL1000S
Riding Experience: Since 1999
Pictures: 0
Life Wasted on TLZone: 3 Weeks, 6 Days and 5:37:36 Hours
rufer
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Here are some pictures of the shifter mechanism. In my eyes, everything looks OK. I can turn the shift star by hand, but only very few degrees to left and right.
I can't understand how this could happen, but it did happen. Some reading how a gearbox works:
http://crustyquinns.com/tech/gears.html
Greetings
Rufer
__________________
2x TL1000SW, candy jade lime yellow. TL1000cup.de champion 2007, 2008 & 2009
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07-23-2008, 03:54 PM
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#9 (permalink)
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AMA Pit Boss
Member #4408
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133bhp
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no nasty noises when running?
clutch in adjustment?
But anyway, With the wheel in the air, use a small scrediver to turn the indent gear. rocking the wheel a little as you go. If it wont budge? got to be shift forks I'm afraid.
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07-23-2008, 09:35 PM
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#10 (permalink)
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Silver Subscriber
Member #2058
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Location: Eureka ca A.K.A=The Friggn BOONIES
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zippytlsr
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Ha... 133bhp beat me to it... i was going to suggest exactly what he said... if you cant move the star with a small screw driver... you'll be splitting the cases to replace your bent shift fork(s). sorry.
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