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The exact point I was making back in post #6 Lb. 
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Greg
Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”
― Albert Einstein
80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.
The list changes.
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Word to yo mama
1980 XS1100SG "Black Mamba" 28K
1979 XS1100F 33k (Current Project)
1981 XS1100H "Blue Balls" (Crashed and under repair
)
1978 XS1100E "Partsy"
Work Hard, Play Harder!Comment
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Sorry.....I don't speak blinglish.
Greg
Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”
― Albert Einstein
80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.
The list changes.Comment
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ha ha, sorry, right on brother!1980 XS1100SG "Black Mamba" 28K
1979 XS1100F 33k (Current Project)
1981 XS1100H "Blue Balls" (Crashed and under repair)
1978 XS1100E "Partsy"
Work Hard, Play Harder!Comment
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how much?
when changing the middle and final drives how much gear oil does it take to do both? thanks!Comment
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Middle: 360cc
Final: 300cc2H7 (79) owned since '89
3H3 owned since '06
"If it ain't broke, modify it"
☮Comment
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thank you phil!!!Comment
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You are welcome my friend.
2H7 (79) owned since '89
3H3 owned since '06
"If it ain't broke, modify it"
☮Comment
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Yeah thank you phil, I will be doing that this week as well.
1980 XS1100SG "Black Mamba" 28K
1979 XS1100F 33k (Current Project)
1981 XS1100H "Blue Balls" (Crashed and under repair)
1978 XS1100E "Partsy"
Work Hard, Play Harder!Comment
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Here in America we don't need no stinkin' metric system!
12 oz middle drive
10 oz final driveComment
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LOL, nope it doesn't
1980 XS1100SG "Black Mamba" 28K
1979 XS1100F 33k (Current Project)
1981 XS1100H "Blue Balls" (Crashed and under repair)
1978 XS1100E "Partsy"
Work Hard, Play Harder!Comment
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Okay maybe we do need it sometimes. XS67 sounds kinda weird.Comment
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Sorry to resurrect an old thread. As a first gear oil change on a new-to-me machine, I went searching for the oil weight/rating to pour into the beast. The amount of controversy surrounding the GL-4/GL-5 lubricants is enormous. I went digging on the inter-webs, and found a number of interesting things.
First, it turns out that one GL-5 oil is not like to another GL-5: different manufacturers will use different type, quality, and level of additives in their oils, some of which are claimed to attack "yellow metals." The evidence of adverse effects of GL-5 seems anecdotal, however. The closest to an official statement about GL-4 VS. GL-5 controversy comes from a 2007 email by a Castrol sales rep to a forum for Bronco enthusiasts. The email states that these oils are engineered for fundamentally differing systems, and are not interchangeable.
The second find is of a greater value. I accidentally came across this: http://www.ringler.us/xs1100/ShaftDriveManual.pdf
Among other useful goodies, this gem contains a brief answer to the GL-5 question on page 9. For our purposes, it seems that GL-4, GL-5, and the obsolete GL-6 oils of appropriate weight are interchangeable. I am unfamiliar with the composition of our transmission, but this makes me assume two things: (1) our transmission does not contain many parts machined out of yellow metals, and (2) given that this manual is published by YAMAHA, GL-5 is benign enough to be used harmlessly in our systems. If either of these is true, then, given the higher apparent utility of GL-5 oils, they should be our rating of choice.
And that's all I have to say about that.
"What are you rebelling against?"
1980 XS1100 SG "Molly"
The heaviest cafe racer around.Comment
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