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Refitting an 1150RT fuel filler with the 1100 part?


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I know it isn't much, but I've heard you can actually get a bit more fuel into your tank if you have the 1100 filler neck instead of the 1150.

  • Is that true?
  • How much extra are we talking about?
  • What is the part number I would need to order?
  • Is it easy to do?
  • Any complications to expect?

Anyone done this? Did you think it worth the effort?



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You can modify your filler neck to accomplish the same thing. Remove the thing, noting which hose goes where, there are two. Drill 2 1/4" holes just below where the cap gasket seals in the hole. The gasket is tapered so allow for a bit further down. You will have to remove it due to the vent line coiled around the neck and soldered in place. You don't want a hole there.


Now replace it. Careful of the language as you try to wrestle that O-ring back into place and not cross thread the screws.


You can now proudly get about another quart of gas in there, maybe a little more. Only you can decide if it was worth it or not.

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Thanks for the information. 1/4 gallon? hmmmm, about 10 miles down the road... doesn't seem worth the effort now.


Of course I might think differently if I have to push the bike for 10 miles some time.. wink.gif

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