Driveshaft lube: moly or synthetic grease? - Page 2 - Yamaha FJR Forum : Yamaha FJR Owners Forums
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post #11 of 25 (permalink) Old 08-02-2015, 04:40 PM
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Check BG video - he mentions the different greases at approx 19:45 mark - it's what I'm using

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post #12 of 25 (permalink) Old 08-02-2015, 04:58 PM Thread Starter
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You are right, Amazon doesn't carry the Honda moly 60 anymore and it looks like the replacement is M77, but I really don't know:

http://www.amazon.com/Genuine-Honda-.../dp/B0083BWUYW

I ordered mine a few months ago.

Yes, I hope I didn't miss the middle gear somewhere... :-)
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post #13 of 25 (permalink) Old 08-02-2015, 05:05 PM
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Quote:
Originally Posted by mmm View Post
You are right, Amazon doesn't carry the Honda moly 60 anymore and it looks like the replacement is M77, but I really don't know:

http://www.amazon.com/Genuine-Honda-.../dp/B0083BWUYW

I ordered mine a few months ago.

Yes, I hope I didn't miss the middle gear somewhere... :-)
They have some at boats.com ...

http://www.boats.net/parts/detail/ho...c5HxoCfRbw_wcB

Workin' them angels overtime ...
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post #14 of 25 (permalink) Old 08-02-2015, 05:51 PM
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many are doing ' preventative maintenance '

hoping to avoid issues / repairs / troubles down the road

they are to be commended

when taking your rear drives / shafts etc apart

good to mark them [ paint / DYKEM etc ] ' index ' them to put them back

the Exact SAME position as they were taken apart

on RARE occasions ......... s o m e have experienced vibrations

a result of parts not quite balanced................ going back to positions they were NOT in previously

essentially a hit / miss situation as it doesnt ALWAYS happen

sometimes there are unintended consequences

hopefully a helpful Tip ..................
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post #15 of 25 (permalink) Old 08-02-2015, 07:02 PM
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Thanks John, I already ordered a tube of Honda Moly 60 from Amazon. Thanks for the info, it looks like the loctite you mentioned is better as it had higher moly content.
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Thanks John, I already ordered a tube of Honda Moly 60 from Amazon. Thanks for the info, it looks like the loctite you mentioned is better as it had higher moly content.
Well, first, I doubt if there is any practical difference between 60% and 65% moly. And the Honda moly paste has been working fine for years.

Second, the Loctite goo comes in a relatively large (8 oz.) container. I put a healthy glob in an empty Altoids tin and pack it with my motorcycle tools. Two or three people could easily split a container.

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post #16 of 25 (permalink) Old 08-02-2015, 08:28 PM
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Don't forget to treat the Middle Gear, Universal and suspension linkages.
Why would I need to do anything with the middle gear assembly during routine maintenance? It lives inside the crankcase.

For those of you who are puzzled by a reference to "the middle gear", it is the gear assembly that couples the output of the transmission to the U-joint:
http://www.bikebandit.com/oem-parts/...AOvg#sch862351

Apparently, you cannot just couple the transmission output to the driveshaft through a right angle gear set.

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post #17 of 25 (permalink) Old 08-02-2015, 09:05 PM
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The middle gear IS a right angle gear set.
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post #18 of 25 (permalink) Old 08-02-2015, 10:35 PM
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The middle gear, bike 500kms old.



Pic of the splines of the universal.

mmm likes this.

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Last edited by Queensland Ken; 08-02-2015 at 10:39 PM.
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post #19 of 25 (permalink) Old 08-02-2015, 11:37 PM
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Just saw this on http://www.machinerylubrication.com/...e-right-grease. Interesting.

Greases containing moly are recommended for roller bearings subjected to very heavy loads and shock loading, especially in slow or oscillating motion such as found in universal joints and CV joints. If such greases are used in high-speed bearings, problems can be experienced with roller “skidding” where the bearing roller fails to rotate through the full 360 degrees due to reduced friction. As a result, the roller develops flat spots, and its service life is reduced.

some truth to what you say

yet the high speed you speak of resulting in ' skidding ' happens

with HI output / HI rpm engines & drive trains

actually directly related to ' loading '

observed far above what you could Ever achieve with an FJR

' lithium soap grease ' doesnt fare nearly as well

as other type o grease on 200 HP + / 200 mph + bikes
there again NOT an FJR !!

some grease actually Fail under those circumstances from Heat !!

thus the advent of ' Ceramic Bearings '


sometimes the splines in actually get slightly twisted from

torque or abuse resulting in binding .................

seldom happens from normal operation

splines straight = good

splines slightly twisted = NOT Good noticeable on

disassembly ................. seldom needs repair
[ parts need to be replaced ]

not drag racing or doing rolling burn outs = NO worries!

with bmw's steel parts would rust & bind severely affecting
rear suspension travel otherwise few ever notice
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post #20 of 25 (permalink) Old 08-03-2015, 01:06 PM Thread Starter
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Quote:
Originally Posted by Queensland Ken View Post
The middle gear, bike 500kms old.



Pic of the splines of the universal.

Thanks Ken! Do I just pull out the U joint after removing the driveshaft, to see what you showed in your 1st picture?

Mike
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