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Old 02-08-2013, 01:27 PM   #1
Big Bamboo OP
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Will a Monolever Tank fit a R100RS?

Curious, does anyone know for sure if a gas tank built for a 1985-on Monolever BMW will fit a 1978 R100RS without issues?
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Old 02-08-2013, 03:16 PM   #2
outfit
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Location: Orkney Isles
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Quote:
Originally Posted by Big Bamboo View Post
Curious, does anyone know for sure if a gas tank built for a 1985-on Monolever BMW will fit a 1978 R100RS without issues?
Yes is the short answer.
It's the other way round that wont.
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Old 02-08-2013, 03:46 PM   #3
bmwloco
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I know for a hard stone cold fact that a R80G/S Paris Dakar tank will fit. My Iron Butt Bike in '92 was set up that way.
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'66 BMW R60/2, '83 BMW R100RS,'81 BMW R100RS "Das Beast", '87 BMW R850R '77 Honda XL125
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Old 02-08-2013, 03:54 PM   #4
Cogswell
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Location: Riding with my pal Richard Cranium
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Wider tunnel in the mono lever tank for the extra electrics on the backbone.


Mike
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The good thing is, your damn motor can't read. If it says oil on the container, it's pretty much OK to dump in there.... ED.
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Old 02-09-2013, 10:37 AM   #5
Big Bamboo OP
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Thanks all, I wonder how much fuel capacity is lost with the wider tunnel?
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Old 02-09-2013, 10:44 AM   #6
dr650dave
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6.34 US gallons vs 5.81 US gallons
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1978 R100/7
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Old 02-09-2013, 12:46 PM   #7
sigpe57
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Quote:
Originally Posted by bmwloco View Post
I know for a hard stone cold fact that a R80G/S Paris Dakar tank will fit. My Iron Butt Bike in '92 was set up that way.
Do you have any pictures of the setup?
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Old 02-10-2013, 04:29 PM   #8
gsd4me
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Quote:
Originally Posted by dr650dave View Post
6.34 US gallons vs 5.81 US gallons
24 litres vs 22 litres.
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Old 02-10-2013, 09:09 PM   #9
supershaft
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My Mono tank holds 6.1 gal according to the gas pump down the street but I have the fill neck modified so you can put more gas in.
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Old 02-11-2013, 12:54 PM   #10
Sniper X
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Yes, and sadly NOT the other way round....
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