Grease type for the rear wheel.

[Millman]

Hi, what type of grease is to be used on the rear wheel gear? I saw something about moly grease being used. Is the Yamaha Moly grease the right type? We had the rear wheel off and thought we would clean the gear and grease it. Also at what point should I grease the splines on the drive shaft?

TIA

Greg.

 

[Don in Lodi]

I have 80,000 miles and have never had a reason to pull the differential off the bike, so no reason to grease the drive shaft splines. The hub splines get ordinary bearing grease every tire change, what, twice a year? Holds up fine.

 

[Juan]

Yamaha says ordinary grease for the hub splines. I put molly grease because I had it available.

 

[Millman]

Yamaha says ordinary grease for the hub splines. I put molly grease because I had it available.

Thanks. I have plenty of that.


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[SilverBullet]

I have 80,000 miles and have never had a reason to pull the differential off the bike, so no reason to grease the drive shaft splines. The hub splines get ordinary bearing grease every tire change, what, twice a year? Holds up fine.

No need to pull the differential to grease the shaft splines. Remove the four acorn nuts and the entire final drive pumpkin pulls off. Super easy. I do it every 20-30k miles or so. Never found it dry of grease yet. Also good to check the inside of swingarm for dirt. Especially if you ride off road with water crossings it can get in via the seep hole and accumulate.

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[Don in Lodi]

LOL, the final drive pumpkin is the differential. My experience with the Royal was the the drive shaft stays in the differential and pulls out of the front yoke. A total PIA to get the shaft back in the yoke. The Ten leaves the drive shaft in the front yoke? That's good to know.

 

[SilverBullet]

LOL, the final drive pumpkin is the differential. My experience with the Royal was the the drive shaft stays in the differential and pulls out of the front yoke. A total PIA to get the shaft back in the yoke. The Ten leaves the drive shaft in the front yoke? That's good to know.

I got my terminology mixed up. Shaft stays attached to the diferential. But super easy to remove and insert back into the front yoke. Just make sure you put in gear first.

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[worncog]

IIRC, moly has a higher pressure rating and is preferred for splined interfaces. I use it on the three shafted machines in the barn.

 

[WJBertrand]

The splines between the final drive and the drive shaft and those between the wheel and the final drive have slightly different demands. The splines on the shaft have to slide back and forth as the suspension travel moves up and down whereas the splines between the wheel and the final drive are stationary with respect to sliding. The gear reduction ratio puts some additional pressure on the wheel/final drive spines so what's needed there is better high pressure resistance to prevent galling, etc. The shaft/final drive splines need additional lubrication to accommodate the sliding action better and protect against abrasion wear.

BTW, I think we should refer the ring and pinion gear assembly as a final drive as technically it's not differential, what with a single drive wheel.

 

[taskmaster86]

I used green grease to grease everything on the bike including the drive shaft and wheel splines. In reality, any quality lithium grease that is multi-purpose, high temperature and extreme pressure rated will work. Grease that has good water resistance is important also.

I recently took the wheels off to have new tires put on and I learned the hard way that you should go easy on greasing the rear wheel splines. I went pretty heavy when I initially greased them and found a very grungy mixture of grease, dirt and sand all caked around the wheel hub.

I would recommend going a light on the grease between the final drive and wheel hub, then wipe off any excess grease that may have squeezed out.

 

[Pmlsfo]

I have 80,000 miles and have never had a reason to pull the differential off the bike, so no reason to grease the drive shaft splines. The hub splines get ordinary bearing grease every tire change, what, twice a year? Holds up fine.

Has the shaft been working well without greasing still ?

 

[Don in Lodi]

No binding on the slip joint up front that I can tell. Suspension does the full swing smoothly on big whoop de doos. I haven't ridden in the rain a lot or done deep water crossings much, rust has never been an issue. If your plugs are still in place and sealed and you keep full submersion to a reasonable frequency and length of time you should be fine even up north.

 

[whisperquiet]

I still have a few tubes of the discontinued Honda Moly 60 paste that was used on my ST1300s.

 

[Heresjeff]

I have 80,000 miles and have never had a reason to pull the differential off the bike, so no reason to grease the drive shaft splines. The hub splines get ordinary bearing grease every tire change, what, twice a year? Holds up fine.

Lucky. Every seal on my diff has leaked at 26k miles.


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