Gear box and final drive oils - BMW Luxury Touring Community
 
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post #1 of 19 Old Sep 22nd, 2011, 7:01 pm Thread Starter
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Gear box and final drive oils

I have just purchased an 03 k12 gt. Previous owner led me to believe all the service was up to date. It was not, now I am trying to do some of the minor stuff my self. I have no manual, but will purchase Clymers soon.

Can anyone tell me what type lubes for the gear box and final drive?

Also, have you seen a tutorial on this site? Seems straight forward, but like to see the pictures.

Thanks
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post #2 of 19 Old Sep 23rd, 2011, 5:30 am
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Re: Gear box and final drive oils

Trent,

I use 75W90 Mobile 1 gear oil in both the transmission and the rear drive. It takes just a bit under a quart to do both. You will need a 14mm allen wrench for the drain on the transmission.

Ron
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735,834 miles on touring motorcycles since 1990

IBA 45658 MOA167437

2000 LTC 90,600 miles KIA (new)
2003 LTE 164,188 miles Silver (Purchased with 1687)
2008 R1200RT 176,196 miles (Purchased with 16458)
2017 R1200RT 84,612 miles (new)
Total BMW miles 497,451
1982 GL1100 rode 84108 miles (bought with 12012 sold 96120)
1988 GL1500 rode 12067 miles (bought with 19893 totaled 31960)
1989 GL1500 rode 142208 miles (bought with 20302 sold 162510)
Goldwing miles 238,383

Last edited by kellenbenz; Sep 23rd, 2011 at 5:38 am.
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post #3 of 19 Old Sep 23rd, 2011, 1:57 pm Thread Starter
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Re: Gear box and final drive oils

Hey thanks

There is a lot of info on this site about using 80 w 90 non synthetic (what the local dealer said to use) vs a buch of folks using 75 w 140 synthetic.

Any thoughts as to why you would want to use the 75w140 syn? Would this not be a bit thick? What about seal expansion or contraction due to using synthetic?

Not much on oil expertise, but definitely want to use the best.
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post #4 of 19 Old Sep 23rd, 2011, 2:21 pm
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Re: Gear box and final drive oils

75-140 has been reported to be bad for some final drives. Heard this at a BMWOA
rally in a maintenance seminar. It is best to stick to the specified weight oil.

Ron
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post #5 of 19 Old Sep 23rd, 2011, 2:32 pm Thread Starter
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Re: Gear box and final drive oils

Thanks, I'll stick to the 80w90. How about Syn vs dino?
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post #6 of 19 Old Sep 23rd, 2011, 2:51 pm
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Re: Gear box and final drive oils

Trent,

I have put 241,000 miles on the 2 LT's that I have owned and all I have ever used was the Mobile 1. I finally had a final drive fail after 143700 miles on this second LT.

Ron


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735,834 miles on touring motorcycles since 1990

IBA 45658 MOA167437

2000 LTC 90,600 miles KIA (new)
2003 LTE 164,188 miles Silver (Purchased with 1687)
2008 R1200RT 176,196 miles (Purchased with 16458)
2017 R1200RT 84,612 miles (new)
Total BMW miles 497,451
1982 GL1100 rode 84108 miles (bought with 12012 sold 96120)
1988 GL1500 rode 12067 miles (bought with 19893 totaled 31960)
1989 GL1500 rode 142208 miles (bought with 20302 sold 162510)
Goldwing miles 238,383
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post #7 of 19 Old Sep 23rd, 2011, 3:00 pm Thread Starter
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Re: Gear box and final drive oils

Dino or synthetic?

Dealer said non synthetic, but still a house divided amoungst bike owners.
Thanks
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post #8 of 19 Old Sep 23rd, 2011, 3:08 pm
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Re: Gear box and final drive oils

All Mobile 1 gear oil is synthetic ...but there are 2 weights available

I use the 75W-90 as pictured here:

http://www.mobiloil.com/USA-English/..._75W-90LS.aspx

Ron


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735,834 miles on touring motorcycles since 1990

IBA 45658 MOA167437

2000 LTC 90,600 miles KIA (new)
2003 LTE 164,188 miles Silver (Purchased with 1687)
2008 R1200RT 176,196 miles (Purchased with 16458)
2017 R1200RT 84,612 miles (new)
Total BMW miles 497,451
1982 GL1100 rode 84108 miles (bought with 12012 sold 96120)
1988 GL1500 rode 12067 miles (bought with 19893 totaled 31960)
1989 GL1500 rode 142208 miles (bought with 20302 sold 162510)
Goldwing miles 238,383
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post #9 of 19 Old Sep 23rd, 2011, 3:22 pm Thread Starter
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Re: Gear box and final drive oils

Thta's actually what I just purchased. Have you heard anything about shrinking seals caused by synthetics?

Will stop beating this horse after this
Thanks
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post #10 of 19 Old Sep 23rd, 2011, 3:33 pm
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Re: Gear box and final drive oils

I use Redline Shockproof Heavy in
gearbox and final drive..................
Sure smoothed out shifting...........

Allan..Illinois, Oregon, Arkansas, and tomorrow the Universe
2003 K1200LT trike - Starfighter
2004 R1150RTP - Combat Touring
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post #11 of 19 Old Sep 23rd, 2011, 3:48 pm Thread Starter
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Re: Gear box and final drive oils

Wow, thats SAE 75W250. That's a long way from the dealer recommended 80w90. Whatt about the ivs difference??

I will say that I have the loud "clunk" everyone talks about, especially from nuetral to first.
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post #12 of 19 Old Sep 24th, 2011, 6:35 am
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Re: Gear box and final drive oils

actually...............................
"Film thickness greater than an SAE 75W250, yet low fluid friction like 75W90"

Allan..Illinois, Oregon, Arkansas, and tomorrow the Universe
2003 K1200LT trike - Starfighter
2004 R1150RTP - Combat Touring
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post #13 of 19 Old Sep 27th, 2011, 8:30 pm Thread Starter
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Re: Gear box and final drive oils

May give that a try next go round. Thanks for the advice.
Haven't seen it in any of the auto parts places.
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post #14 of 19 Old Oct 4th, 2011, 2:39 am
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Re: Gear box and final drive oils

Quote:
Originally Posted by STARFIGHTER
I use Redline Shockproof Heavy in
gearbox and final drive..................
Sure smoothed out shifting...........
+1 for gearbox and shifting improvement

Doug Holck
Lodi, Ca

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but when I do I prefer BMW's.
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post #15 of 19 Old Oct 14th, 2011, 9:15 pm
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Re: Gear box and final drive oils

bTW - there is no Clymer manual for the GT. Only a crappy DVD from BMW for Big Bucks

Tom "Hoop" Hooper
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post #16 of 19 Old Jan 13th, 2012, 1:01 am
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Re: Gear box and final drive oils

Humm. Just bought one-amazon. 1999-06, K1200LT, RS and GT. Must be a miss print.

Phil in Marin
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post #17 of 19 Old Jan 13th, 2012, 8:24 am
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Re: Gear box and final drive oils

Quote:
Originally Posted by Hoop
bTW - there is no Clymer manual for the GT. Only a crappy DVD from BMW for Big Bucks
Quote:
Originally Posted by MarinPhil
Humm. Just bought one-amazon. 1999-06, K1200LT, RS and GT. Must be a miss print.
The original poster was asking about a 2003 K1200GT with the flying brick engine. A Clymer manual is available for the flying brick engine models (LT, RS, and GT).

This thread is in the forum for the 2006 and later K1200GTs and K1300GTs, which have a "Slant 4" engine. Unfortunately, there is no Clymer manual for those bikes, only the official BMW DVD.

This thread should be moved to the appropriate forum for the earlier flying brick K1200GTs.
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post #18 of 19 Old Jan 16th, 2012, 4:38 pm
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Re: Gear box and final drive oils

BMW dealer used 75-140 in my final drive. I use: 75-90. I think that is what the manual says. But I have a LT.

Jim G - Rochester, MN
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post #19 of 19 Old May 2nd, 2012, 5:07 pm
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Re: Gear box and final drive oils

Quote:
Originally Posted by XMagnaRider
The original poster was asking about a 2003 K1200GT with the flying brick engine. A Clymer manual is available for the flying brick engine models (LT, RS, and GT).

This thread is in the forum for the 2006 and later K1200GTs and K1300GTs, which have a "Slant 4" engine. Unfortunately, there is no Clymer manual for those bikes, only the official BMW DVD.

This thread should be moved to the appropriate forum for the earlier flying brick K1200GTs.

I thought that he was asking about my old Brick..you're right he was.


....middle gear oil in the NexGen? Is there such a thing?
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