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Gs850 rear tire locking up???

  • Thread starter Thread starter Nate12b
  • Start date Start date
N

Nate12b

Guest
I just recently bought an 82 gs850 and now when I try to ride it the rear tire will lock up after moving about 200 feet. The weird part is that after I let it sit it will roll again. Its almost like there is some thing broke in the rear pig. Tranny shifts fine in all gears.
 
You might want to check the rear caliper to see if it's locked up from corrosion.
 
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I checked the brake caliper and it's working fine so just for the heck of it I took the pads out so they wouldn't make contact with the rotor and the rear tire will still lock up
 
I'd remove the rear wheel next and then check the driven spline, wheel bearings, and try shifting though the gears with the engine running while on the center stand. You might want to check for oil in the rear end too.
 
Thanks for the info I'll take it apart and check the splines, and bearings
 
Greetings and Salutations!!

Greetings and Salutations!!

Hi Mr. Nate12b,

You may also want to take a look at the u-joint inside the boot at the back of the gearbox.

Anyway, let me dump a TON of information on you and share some GS lovin'. :D

I just stopped by to welcome you to the forum in my own, special way.
big_hi.gif


If there's anything you'd like to know about the Suzuki GS model bikes, and most others actually, you've come to the right place. There's a lot of knowledge and experience here in the community. Come on in and let me say "HOoooowwwDY!"....
hat1.gif


Here is your very own magical, mystical, mythical, mind-expanding "mega-welcome". Please take notice of the "Top 10 Common Issues", "Top 15 Tips For GS Happiness", the Carb Cleanup Series, and the Stator Papers. All of these tasks must be addressed in order to have a safe, reliable machine. This is what NOT to do: Top 10 Newbie Mistakes. Now let me roll out the welcome mat for you...

carpet.jpg


Please click here for your mega-welcome, chock full of tips, suggestions, links to vendors, and other information. Then feel free to visit my little BikeCliff website where I've been collecting the wisdom of this generous community. Don't forget, we like pictures! Not you, your bike! :D

Thanks for joining us. Keep us informed. I will put you on my prayer list.

Thank you for your indulgence,

BassCliff
 
Thanks for the info, and the welcoming. I will post the damages as soon as I get it torn down. Hopefuly it just something simple since there are no grinding noises or chattering.
 
Oh and by the way my name is "Nathan". Sorry for not putting my name on the post.
 
Nate12b said:
Oh and by the way my name is "Nathan". Sorry for not putting my name on the post.
Click to expand...

Nathan,

Welcome to GSR.

Interseting that you just got the bike... and this just starts to happen. .... hum ...

Do check the other post in the link posted above by 7981GS.
That is my vote for what haws happened to your bike.

You will also want to check the hub-spline in the rear wheel (to at least learn about that). But my expereince is that a problem there will more likley cause rear wheel to turn freely (like it was in netural), not lock up.
GS850G_H5a1.jpg

When we say rear hub (or spline) we are refering to this #15. Pretty much do Have to remove from rear wheel to inspect it.



Will also suggest that you add your model and year in your signature line and put your general location in your prifile. THen both of those show up in every post. (Goto UserCP ....)

850s are great bikes.

Tell us more what you find.

Dave

.
 
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Needs gear oil in the secondary drive box. Check the pumpkin too.
 
Well I think I have a major problem. I took the drain out of the secondary drive (that's where the drive shaft goes into?). And it was glittery and it had metal shavings. And there was only about 2 ounces of gear oil in it. Oh and another thing there is a bolt missing that's located on the bottom of the case directly beneath the starter it seems like it might be a drain or something. There was rtv sealant plugging the hole.
 
Nate12b said:
Well I think I have a major problem. I took the drain out of the secondary drive (that's where the drive shaft goes into?). And it was glittery and it had metal shavings. And there was only about 2 ounces of gear oil in it. Oh and another thing there is a bolt missing that's located on the bottom of the case directly beneath the starter it seems like it might be a drain or something. There was rtv sealant plugging the hole.
Click to expand...
The hole under the starter drains the starter cavity and is supposed to be there.
 
Hi,

Ding! Ding! Ding! Ding!

Another reference to the "mystery hole"! :)

mystery2.jpg


mystery1.jpg


Fill your secondary gear case back up with good synthetic 75w90 gear oil. See: Secondary Gear Oil Change

Hopefully there isn't too much damage. You might want to change it a few times inside of 1000 miles just to clean it out well.


Thank you for your indulgence,

BassCliff
 
Nate12b said:
Well I think I have a major problem. I took the drain out of the secondary drive (that's where the drive shaft goes into?). And it was glittery and it had metal shavings. And there was only about 2 ounces of gear oil in it.
Click to expand...
Before you go adding oil and blasting off, you might want to determine where the shavings came from. Lack of oil and shavings wouldn't stop those bevel gears from turning, but a broken gear tooth or some such fragment would. Put bike on centerstand in neutral and rotate rear wheel in both directions and see if it will lock up.
 
I put the bike on a stand to get the rear tire off the ground, i then added new oil to it and i ran it threw all the gear at very low wheel speeds. after that i drained the oil back out of it. the tire never locked up while it was on the stand but the rear wheel had a slight wobble in it while it was on the stand. so i guess if have more problems elsewhere to. so my next question would be is how would i check the internals of the secondary gear case. And what would make the rear tire wobble.

By the way i want to thank everyone for all your help with this project. For the past six years i've been building race cars, so motorcycles are new to me.
 
Hi,

I just wanted to make sure you knew the difference between the secondary gear oil and the final drive unit oil. They are two separate cases to change/fill with gear oil. The crankcase oil is also separate. It's all documented on my little website.

Forgive me if I state the obvious. :o


Thank you for your indulgence,

BassCliff
 
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Yes i understand the differences between them, there no bad feeling for stating it though. would you happen to know what would cause the rear wheel to wobble. possibly wheel bearings? but it could be a optical allusion the tires are old and do need to be replaced so it could be the tires. I will check and see for sure if its the wheel when i get a chance to.
 
Nate12b said:
Well I think I have a major problem. I took the drain out of the secondary drive (that's where the drive shaft goes into?). And it was glittery and it had metal shavings. And there was only about 2 ounces of gear oil in it. Oh and another thing there is a bolt missing that's located on the bottom of the case directly beneath the starter it seems like it might be a drain or something. There was rtv sealant plugging the hole.
Click to expand...

Nate12b said:
I put the bike on a stand to get the rear tire off the ground, i then added new oil to it and i ran it threw all the gear at very low wheel speeds. after that i drained the oil back out of it. the tire never locked up while it was on the stand but the rear wheel had a slight wobble in it while it was on the stand. so i guess if have more problems elsewhere to. so my next question would be is how would i check the internals of the secondary gear case. And what would make the rear tire wobble.

By the way i want to thank everyone for all your help with this project. For the past six years i've been building race cars, so motorcycles are new to me.
Click to expand...


Nate,

Please clarify which unit was it that had only 2oz and had the shiney flakes...
.. the final drive (at rear wheel, maybe called pumpkin by auto guys).
.. the secondary drive (at rear of engine, front of shaft).

The hole you described sounds like the drain hole under the starter motor. But if it is infact the drain for the gear lube (secondary drive)... that is a bbigger problem. That gear lube drain hole will be larger and is threaded for a plug. (and should have a plug, and should have gear lube, and if doesnt have gear lube, something bad can happen, like, ah, gears break and lock up rear wheel.)

Rear wheel wobble. Can you grab the rear wheel and make it slide sideways on the axle? Should not be able to. There should be spacers there on the axle, and they need to be in right place. Can you grab the wheel and make it do the wobble?
When you have the rear wheel off, you can check the bearings.

Even if the rear hub in rear wheel is partly failed or completley failed, I dont think it will make the wheel wobble.

Describe the wobble somemore, and tell us whatelse you find.

.
 
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