loosenutz
Parking Attendant
Posts: 19
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posted December 19, 2006 12:37 PM
trans problem
well yesterday i rode 20 miles,parked the bike and someone i know wanted to hear the bike run,well i was on the right hand side of the bike.reached over and pulled the shifter up from 1st gear to nuetral ( i park in gear ) anyway i turned the key on and no nuetral light came on,so i got on the bike and tried to shift it into nuetral and the shifter wouldn't move. I tried rocking it,starting it and releasing the clutch and nothing worked. it was almost as if the shifter was gonna break off.called the dealer and they mentioned it was a detent spring. a buddy of mine grabbed the shifter and yanked on it, he got it to shift into 1st and nuetral. after that if shifter 1st/nuetral fine but wouldn't go into second. i took it to the dealer and just as anything you take to the mechanic it worked fine,well needless to say i hammered the piss out of it for 60 miles after that and it workes flawless..... does anyone have any ideas or experiences on this?
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12r1
Expert Class
Posts: 390
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posted December 19, 2006 04:05 PM
The trans is designed to operate while in motion. that's why they don't shift very well when stopped. I think you just jammed it up a bit, and kicking it back down to first, before trying upwards to neutral again, would have helped. You could have also passed neutral, when you hand shifted the first time, and went to second. Then, without knowing it, your really trying to pull up into third. I'm fairly sure they won't click up through all the gears while not in motion.
Anyway, I don't think there's anything wrong with your mighty 12. Caught it just where it would give you fits. I've had to try a couple times to find neutral, they're not perfect. No bike is(no matter what da Boosa Boys say...)The simple fact that it now works fine tells me no worries.
Jeff
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loosenutz
Parking Attendant
Posts: 19
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posted December 19, 2006 04:15 PM
thanks 12r1, i talked to a shop today and he said if nothin was hangin out of the motor,thrash it....
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you never know!!!!!!!
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MadMike
Moderator
FEAR THE BLACK FLAG!!!!!!!!
Posts: 6579
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posted December 19, 2006 05:02 PM
Yep I have to agree with Jeff on this one!!
MM
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200-MPH CLUB MEMBER!
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VincentHill
Needs a life
Posts: 6520
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posted December 19, 2006 06:51 PM
There are 3 Balls in the Gear that stop it from going into 2nd while sitting still. This does not stop and overshift where you are not quite there. Clutch drag is the #1 problem in getting the bike into Neutral
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eastbaydave
Needs a job
Posts: 2245
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posted December 24, 2006 10:04 AM
quote:
There are 3 Balls in the Gear that stop it from going into 2nd while sitting still. This does not stop and overshift where you are not quite there. Clutch drag is the #1 problem in getting the bike into Neutral
Drag is my biggest problem. Installing the Muzzy billet basket & clutch kit made the whole transmission stiff. It never has loosened up since. I've pulled it 5 times & measured stack height/etc. til I'm blue in the face...
Works fine w/o the clutch/clutchless upshifts are smooth as butter when done correctly. Makes me sure it's a clutch problem...or maybe my shift forks? Only 8K miles....hmmm...
Can't find the problem. Help?
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Enjoy the ride!
02' ZRX1200
00' ZX12R sold
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lonniemac
Expert Class
Posts: 225
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posted December 25, 2006 03:48 AM
i would say shift forks. they can be damaged easily. the good thing is you can replace them without pulling the motor. i would not ride anymore because if it is the forks you are damaging the gears, then big $$. i would pull them and inspect them. if there is the slightest touch of a gear on either side of any forks then. replace that one. i heard some- where that R & D has heavy duty forks you can replace them with. i replaced my shift shaft with the Brock Davidson shafts and my trans has been working well. the next time i will be using R & D stuff. Including the drum. I would also go ahead and pull the drum for a careful inspection as well you would be right there when you get to the forks. Also get underneath with a light and move the gears around and look for any damage that can be seen from there. look at the teeth and the dawgs.You need a manual, if you dont have one. everything in the trans has to be right or damage would be prevelant.
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BADBOYINDC
Novice Class
2007 ZX14 Black
Posts: 82
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posted January 03, 2007 06:05 AM
CAN ANYONE CHANGE A SHIFT FORK WITH BASIC SKILLS OF WORING ON A BIKE
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eastbaydave
Needs a job
Posts: 2245
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posted January 03, 2007 07:17 AM
quote:
i would say shift forks. they can be damaged easily. the good thing is you can replace them without pulling the motor. i would not ride anymore because if it is the forks you are damaging the gears, then big $$. i would pull them and inspect them. if there is the slightest touch of a gear on either side of any forks then. replace that one. i heard some- where that R & D has heavy duty forks you can replace them with. i replaced my shift shaft with the Brock Davidson shafts and my trans has been working well. the next time i will be using R & D stuff. Including the drum. I would also go ahead and pull the drum for a careful inspection as well you would be right there when you get to the forks. Also get underneath with a light and move the gears around and look for any damage that can be seen from there. look at the teeth and the dawgs.You need a manual, if you dont have one. everything in the trans has to be right or damage would be prevelant.
thanks for the advice....will be looking into it...
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Enjoy the ride!
02' ZRX1200
00' ZX12R sold
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VincentHill
Needs a life
Posts: 6520
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posted January 03, 2007 11:23 AM
Dave. to work correctly, the Stack Height has to be on the high side of the figures. I usually have to add a thin plate somewhere. Also lay the steels down on a piece of Glass ans see if any are warped. Question is, are you putting all of the steels in facing the same direction? I usually put them in with the Rounded side out (Nost do it the other way). My reason is, the pressure plate is a Positive force and when you release the clutch there is nothing to "Pull" them apart so there should be nothing to interfer with the release.
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MadMike
Moderator
FEAR THE BLACK FLAG!!!!!!!!
Posts: 6579
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posted January 03, 2007 02:53 PM
quote:
CAN ANYONE CHANGE A SHIFT FORK WITH BASIC SKILLS OF WORING ON A BIKE
could you replace your stock clutch basket with a billet basket? if you can do that then you should be good to go in replacing your shift forks...
MM
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200-MPH CLUB MEMBER!
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BADBOYINDC
Novice Class
2007 ZX14 Black
Posts: 82
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posted January 04, 2007 06:46 AM
THANKS MIKE I WIL LOOK AT IT THIS WEEKEND
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Brock exhust 16/45 sprockets,
Nos, Mactosh arm 8inches over
Powercammander ajustable lowering links airshifter all the good shit Crome Rc wheels
LET IT DO WHAT IT GOING TO DO
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ninja12
Needs a job
Posts: 3310
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posted January 05, 2007 11:38 AM
If you pull the shift drum, be careful of the spring and tab in the other end.
No need to pull the drum when changing the forks, but not a bad idea if you
want to inspect it. A few years of racing the zx12 and I have never
hurt one YET, use that info as you will.
Like Mike said Basket , Pipe and Pan and you have this job licked.
A bike lift makes it nice, but you can do it with the bike on stands
if you don't mind getting on the ground to see under the bike.
P.S. A large cookie sheet or cardboard box is needed, because
the engine never stops dripping oil . 
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entropy
Moderator
Posts: 8671
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posted January 05, 2007 03:28 PM
good advice, Gerard!
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