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Final Driven Gear Spline Lube

  • Thread starter Thread starter Giblet
  • Start date Start date
G

Giblet

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OK, as promised in the GS Discussion forum here is what I have found in my newly acquired GS1100G factory service manual. On page 7-29 & 7-39 there is a line that states - Apply the grease (#99000-25010 SUZUKI super grease "A") just prior reinstalling the rear wheel. I'm going to look some more but so far no recommended interval including in periodic maintainance. Hmmmmm. Do I smell a plot to sell lots of wheel hub adapters :? ? If I find something I'll post it here but seems the consensus on the minimum is at least every time you pull the rear wheel.
 
Thanks Poot! Was thinking I should go get that link from the earlier post. Sorry this is getting so long. I'm just hoping to save someone else some grief.

dpep said:
dude said:
focus frenzy said:
suzuki changed the metal (not hardened) for 1982 and the splines in the adapter often strip after about 30K miles.
the fix is to get a adapter from a shaft drive bike made before 1982 as they are made from a better (harder) metal and they don't strip out.
Click to expand...

My 82gs1100GK wore it out after 34,000 miles. The clutch was sliping before so I swapped out plates & springs and still had no go! With assistance from the technical forum I figured it out and fixed it with a new Suzuki part...should have found a old part?
Click to expand...
That is almost exactly where my 82GK stripped out. At least they are predictable.

On trips I carry a bunch of tools and parts. One thing I haven't seen mentioned so far is a little cheap multimeter from Harbor Freight.
Click to expand...

focus frenzy said:
Giblet said:
My guess is that if you keep it lubed, you probably won't have a problem.
Click to expand...

I remember seeing a post by someone who said they stripped theirs and that they kept it lubed.
Click to expand...

Are we doomed to spline failure? Don, I assuming that being the wise GK owner you are that your original adapter was well lubed. What vintage replacement part did you use? If one doesn't have a pre '82 adapter, perhaps its a good idea to start looking for one. Either way, KEEP IT LUBED!
 
Giblet said:
Are we doomed to spline failure? Don, I assuming that being the wise GK owner you are that your original adapter was well lubed. What vintage replacement part did you use? If one doesn't have a pre '82 adapter, perhaps its a good idea to start looking for one. Either way, KEEP IT LUBED!
Click to expand...

I only purchased the GK in the middle of '03. I had new tires put on by a shop along with a list of other items in prep for a long trip, so I had never seen the splines. The person doing the work was an older mechanic who had worked on GS's when they were new and had a G model himself, so I trusted him to know what he was doing. But who knows?

I had sometime earlier replaced the whole rear wheel on my 80 '850, so I had that hub on hand for a replacement when the GK stripped. But I am now researching what year bike that replacement rear wheel came from. My GK has the good splines now, but I have to make sure about my 850.

Yes, it is a good idea to stockpile hub parts for the shafties. Pre '82 is better, but I wouldn't turn away any year.
 
The early spline dealies are partially flat black -- it looks sort of like a flat black anodized finish.

The later ones have a silver cast finish all over.

At least the ones I've seen follow this pattern...
 
I thought all the 'replacement ones' were of the higher quality?
 
The one that failed on my GK has a bright finish (clear zinc or galvanized maybe). The replacement (80 model) has a dull dark look. I plan on picking up a couple of pre 82 parts to keep on hand. The new price from Alpha-Sports.com is about $125 but as I was told the metal change was done to prevent additional damage to the drive side of things. Just look it over closely to make sure it is in good condition. I had to buy a whole rear wheel assembly which also came with a brake disc that looks usable. Need to mic it to know for sure. The adapter was slathered in black grease. Just need to figure out where to dump/scrap the wheel. I also ended up leaving the 850 final drive on my bike as the splines on the 1100 drive unit were beveled, I aasume from being run dry and the ground metal flying around in there.
 
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