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marcmax
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R80ST
10/26/18 at 20:49:18
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Anyone familiar with an R80ST? I have an R65LS that I bought as a spare parts bike. missing the fuel tank, fenders and some small parts. I didn't use enough to justify parting it out so I am going to build a "frankenbike" out it. I found an R80ST tank recently for a great price (just cleaned and relined but bad paint) and bought it. Any ideas on if it will fit? It will be going on an R65LS bike (frame, etc.)?
  

Keep your bike in good repair:  motorcycle boots are not comfortable for walking.  

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Tony Smith
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Re: R80ST
Reply #1 - 10/26/18 at 23:19:16
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Will fit straight on.

I thought it was the same tank actually.
  

1978 R100RS| 1984 R65 | 1984 XT350 | 1992 KLE500 | 2002 R1150GSA
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BPT
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Re: R80ST
Reply #2 - 10/27/18 at 18:17:18
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Are all of the R80's of the same era interchangeable with the R65's?
I saw a thing on Facebook recently with a guy asking about an R100 tank.  I knew that wouldn't fit but wasn't sure which ones were a guarantee.
From my limited knowledge I think the main things are that the R65 tanks are offset underneath, to match the electricals, and they have that loop that latches the seat end to the frame tube.  Am I correct there?
Just curious.........
  

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Barry
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Re: R80ST
Reply #3 - 10/28/18 at 07:28:38
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The R80st tank is definitively a slightly different style and size to the R65 tank but I've heard that it fits albeit with a different height where it meets up with the seat.  I never heard that anything else will fit except perhaps an R80g/s.
  

Barry Cheshire, England 79 R45
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marcmax
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Re: R80ST
Reply #4 - 10/28/18 at 15:16:10
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My biggest concern was that the R80ST is a monoshock frame and I know there are differences between it and a dual shock. Didn't know if the top tube length is longer. The tank itself has a offset tunnel like an R65, it has the rubber bumpers and wire bail for attachment. It appears to have a larger, rounder front portion with a top that slopes downward from the filler to the seat. I guess I'll see once it gets here.
  

Keep your bike in good repair:  motorcycle boots are not comfortable for walking.  

1982 R65ls        1984 R65ls        1991 K75
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Justin B.
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Re: R80ST
Reply #5 - 10/28/18 at 23:55:22
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Many moons ago seems I remember reading that the tank and seat won't match up perfectly.  Can't remember if it was a length issue, or what.
  

Justin B.

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