as always unsure where to post lol.
anyway iv got a 2012 xtx with 600 miles on clock now.
love it gonna do this n that. was told there great but fueling is shyte. etc etc. usual don't get one get this.
anyway mind was set I was getting one. covered about 180 miles now.
but it seems to hold back its jurky hesitant not nice.if im going up the revs its fine if I go up down the gears its fine if I excellerate its fine. but if I say pick any gear including top and hold at a certain speed or rev its horrid.
have Yamaha really got it that wrong with fueling.
iv got cans on way just need to sort other mods airbox etc .
will this sort it out. it feels like its running to lean to me

Iv'e found just the same (clacked on here and there about it). My advice would be to at least go for the kev mods before worrying too much. there may be some left in your sprocket/cush chain but most of it is directly reduced by sorting out the fueling. Those, rip off the snorkle, block the AIS pipe. Much better at idle and off the throttle.

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XTX 09

What is the AIS pipe ?

Andy, FFS, come over mate, ride mine and i'll go through all the Mods with you and show you where they are on the bike.

(including sprocket/cush)

I'm at home all day today/tomorrow if it's any use to you ?

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Will take you up on the offer. Not sure when though maybe try plan summin soon if possible cheers