Track fuel tank? - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 5 (permalink) Old 07-02-2015, 08:52 AM Thread Starter
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Track fuel tank?

Hey I know they use these on the older GP and track bikes (never see them on road bikes) but can anyone tell me the difference/benefit of the fuel tank in the following video at the 0:58 mark vs the stock tank and fuel lines? Looks like it has 2 filler caps (even though I doubt thats what it is. Also a hose maybe for overflow or something for being on the track with the heavy lean angles? Help me learn!

https://www.youtube.com/watch?v=XqQPgjxi0Ds

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post #2 of 5 (permalink) Old 07-02-2015, 09:33 AM
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Beautiful bike. I've never seen that swingarm before. The hose is a breather line because the fuel cap(s) is/are sealed. The bike would have to be on its side for it to leak gas out of it. Hot days and a really full tank may dribble some from expansion as well.
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post #3 of 5 (permalink) Old 07-02-2015, 10:43 AM
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That is vwhelmot's bike. He is a member as well.

Harris swingarm... custom made.

That tank is a QB carbon tank and the line is a breather line as the lids are not vented.

My ETI carbon/kevlar tank has no breather line as the lid is vented.

-2001 Honda RC51 sp1 " Slightly Modified "
-2001 Honda 929RR Erion Edition
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post #4 of 5 (permalink) Old 07-02-2015, 12:43 PM Thread Starter
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So whats the benefit of have a sealed tank? I'm guessing for track use so if you do crash it limits the possibility of spraying fuel all over the course etc.

Thats one sweet bike and those headers/mids look really nice. Can't wait to get my ladybirds bolted on!
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post #5 of 5 (permalink) Old 07-02-2015, 11:58 PM
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I don't think there's a benefit other than a simpler and lighter cap design. The composite tanks may also require more venting as well but I don't know. All my plastic dirt bike tanks have vented caps.

Anyway, it looks trick as hell.
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