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Author Topic: Got a lil trans problem.  (Read 909 times)

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Got a lil trans problem.
« on: March 29, 2015, 11:25:23 am »
I'm rebuilding my 90 250 motor. I got the bottom end all put back together. I feel as though I got everything right as I had the book next to me all the way through it.

I put the gear shift lever on it after I put the clutch together and figured I could **** through the gears to see if it was functional.. (Motor on the bench and without the side covers on it) I am able to go 1 firm click up from neutral and then one firm click down which should be 1st but is back to neutral. Other then that It will not give me a firm click into any other gears even with moving the crank and internal components. Is this normal or should I go back into the bottom end yet again? Also I was not able to find anything in the manual on how far I should put the clutch screws in, I put them to where they were flush with the top plate piece of the assembly Is that too much?
04 CRF 450R----> My Beast
03 LTZ 400------> Wife's Boy Friend
90 LT 250R------> Done and Ripping
01 CR 125-------> Traded For the LT

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Re: Got a lil trans problem.
« Reply #1 on: March 29, 2015, 02:58:56 pm »
Ohh yea this was an issue i ran into bigtime with my trx bottom end!! Went through 3 center case gaskets. Mine was a locking washer that only slide over the grooves when it was spun correctly. I would take back apart make sure all your stuff is correct. Also put some oil on your tranny if you havent already. That thing should shift through the gears but the trans needs to have a steady move for it to seem smooth. Otherwise itll feel like it isnt shifting. So get a good rotation on the counter or drive shaft or even the crank. Hope this helps you some

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Re: Got a lil trans problem.
« Reply #2 on: March 29, 2015, 06:52:02 pm »
Well I don't have any fluid in it currently.So I guess tomorrow I'll put my clutch cover on, fill it up and try shifting through the gears while someone rotates the crank. (I'll bring the wife along  ;D ) The only thing that I could think is that maybe I didn't get the forks in the shift barrel (for lack of better term) just right.
04 CRF 450R----> My Beast
03 LTZ 400------> Wife's Boy Friend
90 LT 250R------> Done and Ripping
01 CR 125-------> Traded For the LT

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Re: Got a lil trans problem.
« Reply #3 on: March 30, 2015, 12:11:28 am »
No no no just lube up the gears really well before turning them. It should click through all gears by hands before putting the rest on. You just got to fiddle with it im tellin ya. Can be a pain but youll get it

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Re: Got a lil trans problem.
« Reply #4 on: March 30, 2015, 09:18:47 am »
Not sure on the 250 but on the 500 trans you really need the cases together as it supports the dowel pins the shift forks sit on which keeps everything spaced properly and able to shift, otherwise they bind unless you hold them apart from each other. 

You can put a little type F or what ever you are going to use for tranny lube on it if you want but if you're worried about it not being done right I'd put the cases together dry with 2 or 3 bolts and make sure the tranny works then pull them back apart and seal them up with 1211 like they should be.


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Re: Got a lil trans problem.
« Reply #5 on: March 30, 2015, 01:01:43 pm »
I see, well everything is all good and lubed up, and I already have the case halves together. but it still feels like something is a miss. so looks like I will be digging back into it after this work week is over. where should I start when looking at what could be the problem?
04 CRF 450R----> My Beast
03 LTZ 400------> Wife's Boy Friend
90 LT 250R------> Done and Ripping
01 CR 125-------> Traded For the LT

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Re: Got a lil trans problem.
« Reply #6 on: March 30, 2015, 01:28:10 pm »
I think I figured it out!! It shifted fine before I put the actuator piece and its holder onto the shift barrel and case. I think I could of gotten piece 8 and 9 on the attached diagram reversed. because it looks like they slightly come into contact with number 12 which looks to be what is keeping it from shifting smoothly. If I remember right parts 9 and 8 have one side of the gap, for part 10s, is larger then the other side. does this make sense to anyone else but me?
04 CRF 450R----> My Beast
03 LTZ 400------> Wife's Boy Friend
90 LT 250R------> Done and Ripping
01 CR 125-------> Traded For the LT

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Re: Got a lil trans problem.
« Reply #7 on: March 30, 2015, 07:40:56 pm »
You may be right. Does the small paws have a rounded and flat sude? If so make sure they are in properly. Thats all i can make out of what you were sayin. Maybe post a pic of the clutch paws and them engaging on #12 from diagram.. Sounds like your close though

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Re: Got a lil trans problem.
« Reply #8 on: March 30, 2015, 08:56:45 pm »
I will be able to on Wednesday. I'll end up taking the clutch assembly off and take some pictures. then maybe Ill take the retainer piece off and see if it will shift correctly.

Thanks for the help.
04 CRF 450R----> My Beast
03 LTZ 400------> Wife's Boy Friend
90 LT 250R------> Done and Ripping
01 CR 125-------> Traded For the LT

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Re: Got a lil trans problem.
« Reply #9 on: March 31, 2015, 05:07:24 pm »
For the next time, when you get parts 7,8,9,10 back together correctly, get you a lid from a paint can. When you pull the assembly off, hold the "paws" and springs from coming out. It will fit nicely inside the inner round of the lid and hold it all together..

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Re: Got a lil trans problem.
« Reply #10 on: March 31, 2015, 05:50:47 pm »
heres the thread for the problem i had, you should look into it if you split the cases.


http://www.suzukiquadracerhq.com/lt250/advice-for-a-shifting-problem/


by the way i used a manuel when i listed the parts numbers and noticed that your picture had different numbers than mine so that might be confusing unless u have the same part page i used.

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Re: Got a lil trans problem.
« Reply #11 on: March 31, 2015, 10:11:04 pm »
Quadster: that is a great idea. I've just put a zip tie around the paws and the assembly but that would work even better.

Aint No Nancy: Thanks for the link I'll give it a look. Yea, I just grabbed the image from the net and posted it for a reference. I've noticed that even when ordering parts the websites don't always show the same numbers for the parts, does not seem to be too much uniformity. But it would probably help more if I actually knew the specific names for the individual components  :D

Will be looking at the motor again tomorrow so I'll post up some pics (if my camera decides to work) and results.
04 CRF 450R----> My Beast
03 LTZ 400------> Wife's Boy Friend
90 LT 250R------> Done and Ripping
01 CR 125-------> Traded For the LT

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Re: Got a lil trans problem.
« Reply #12 on: April 01, 2015, 09:11:07 pm »
ok, so I have some great news. I took the clutch assembly back off and after playing around with the gear shift assembly it started working just like it should. All i had to do was have someone spin the front sprocket, and in the right direction for that matter, and I was able to hit all of the gears smoothly. As soon as I get the stator and RM bearing and billet washers I'll have it all buttoned up and done.  +k2

Thanks all.
04 CRF 450R----> My Beast
03 LTZ 400------> Wife's Boy Friend
90 LT 250R------> Done and Ripping
01 CR 125-------> Traded For the LT

 

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