Do these splines look good...?

[QTreiber]

I am slowly getting to know my '79 XS 1100 Standard, took off the rear wheel to inspect the splines.

Well, I have no idea if they look good, do they look OK?








Does a visual check suffice or is it necessary to take any measurements?

Thanks in advance for any advice!

Greetings from Colorado,
Armin

[Ken Talbot]

Looks good to me. Clean them up nice, pack in lots of grease, put them back together, and forget about them until your next rear tire change.

[DGXSER]

Splines look fine to me. I always use the molybdenum Disulfide grease on those splines when installing.

While you have it down that far, I would highly recommend you go ahead and pull the four nuts holding the final drive to the swing arm so you can put some of that same moly grease on the splines where the final drive and the drive shaft mesh. That grease fitting on the swing arm is basically useless at getting grease where it is needed. And no, adding more and more grease does not get it where it needs to go, it just sends it up the driveshaft.

[natemoen]

Splines look fine to me. I always use the molybdenum Disulfide grease on those splines when installing.

While you have it down that far, I would highly recommend you go ahead and pull the four nuts holding the final drive to the swing arm so you can put some of that same moly grease on the splines where the final drive and the drive shaft mesh. That grease fitting on the swing arm is basically useless at getting grease where it is needed. And no, adding more and more grease does not get it where it needs to go, it just sends it up the driveshaft.

but eventually you would pack the whole driveshaft tube full of grease and there would be noplace else for the grease to go except for the right spot!

Yup splines look good.

[DGXSER]

but eventually you would pack the whole driveshaft tube full of grease and there would be noplace else for the grease to go except for the right spot!

You would think so, however, the other end is open to that nice rubber boot and the u-joint. Seems nature and physics set this one up to fail. I put a 750 FD on a fellow XSives bike and his entire drave shaft was coated in grease, as well as the tube it goes in on the swing arm. However, those splines in side the FD were not.

[natemoen]

If someone actually made it through the 3 or 4 full size tubes of grease it would even take to get to that point I would be surprised

[fredintoon]

If someone actually made it through the 3 or 4 full size tubes of grease it would even take to get to that point I would be surprised

Hi Nate,
one would need a "Bro with service station".
A service station that had an air-powered grease gun hooked up to a 20 gallon tub of grease.

[DGXSER]

What i can tell you form experience is that it may have been accumulation over time, but that drive shaft was coated top to bottom and cleaning it off made no difference once you put it back into the swing arm. Came out again coated top to bottom.

[QTreiber]

Moly-Graph grease

I was trying to find molybdenum disulfide grease at my local car part stores, but only found this type that contains molybdenum:

Sta-Lube Extreme Pressure Moly-Graph Multi-Purpose Grease

http://www.crcindustries.com/auto/co...?PN=SL3144&S=Y

Should I go to a motorcycle dealership to get grease, which specifically shows molybdenum disulfide?

What is the best way to clean the splines and remove the old grease, a brush and rags?

Thanks again!

Armin

[skids]

What is the best way to clean the splines and remove the old grease, a brush and rags?

If the grease is hard, use a screwdriver. Kerosene dissolves soft grease residue after you wipe-off the bulk of it with a rag.

[CaptonZap]

I was trying to find molybdenum disulfide grease at my local car part stores, but only found this type that contains molybdenum:

Sta-Lube Extreme Pressure Moly-Graph Multi-Purpose Grease

http://www.crcindustries.com/auto/co...?PN=SL3144&S=Y

Should I go to a motorcycle dealership to get grease, which specifically shows molybdenum disulfide?

What is the best way to clean the splines and remove the old grease, a brush and rags?

Thanks again!

Armin

Save your money, that grease will work. It has moly and graphite in it, according to the discription.
To clean, I use gasoline and a toothbrush, outside, with a drip pan to catch the gunk. Then I use a spray oiler with mineral spirits, or gas, to clean the residue. Here is the oiler, <http://www.dutton-lainson.com/proddetail.php?prod=56162> Don't forget your driveshaft splines, while your cleaning. CZ

[planedick]

Wheel grease

I use wheel bearing grease on the splines, both the drive shaft and the wheel splines. Stays there longer and is more impact absorbing.

[QTreiber]

Compression Spring; Bond No. 4

Thanks for all the help, finally making progress...: removed the final gear case, plenty of grease there. Will clean and add new grease.


During disassembly a spring fell out, part 90501-16491-00 (SPRING, COMPRESSION). What is the purpose of this spring?

The manual says to apply Yamaha Bond No. 4 when installing the final gear case.

I tried to find a source for it on the Internet, but did not succeed. Do Yamaha dealerships carry Bond No. 4 or can I use something different?

Thanks again for any advice,
Armin

[bikerphil]

The spring goes on the pinion where the nut is on the final drive. It pushes the driveshaft forward. You can use gasket maker (RTV) in place of Yamabond.

[QTreiber]

Rtv

The spring goes on the pinion where the nut is on the final drive. It pushes the driveshaft forward. You can use gasket maker (RTV) in place of Yamabond.

Thank you!

I only have "Ultra Copper High Temp RTV Silicone" from NAPA available. Can I use it or should I get regular (non-high-temp) RTV?

Armin