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Madb

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Posts posted by Madb

  1. 8 hours ago, Dezza said:

    An xr69 has an aircooled engine though doesn't it? So it's an xr69 looky-likely, with a gsxr (??) engine........

    @dezza yes and yes. It's within the spirit of the rules. supposingly output of 180bhp+. Nice,(read on the net somewhere) but i stand corrected if it's way out.

  2. them pipes look like aftermarket srad ones. you would need to move #2 and #3 pipes further apart to fit as the cam chain moved from the inside to the offside of the engine  on later w/c engines. spacing would also be different between #1 and#2 and #3 and #4 so need to heat them up to fit proper. but do-able ish.

  3.  

    13 hours ago, Legotoy said:

    I have done this myself just recently and I feel the need to jump in and point out a few details I don't think have been covered yet. The pivot bearing sleeves from braced arm do indeed slip inside the earlier banana arm bearings, but that is where the easy stuff ends...

    You will find the spacer tube between the bearings is different between the two arms. The banana arm spacer has to be used otherwise your sleeves will not be kept in place.  And the banana spacer DOES NOT slip inside the braced arm spacer. I had to trim 2mm from the overall length too as the are not the same width either - meaning your bearing sleeves sit proud and don't allow full tightening of the spindle. On a dry build the arm floated side to side by about 2mm.

    I would love to hear how MadB got around this? Also which dust seals to use? I used braced arm ones with banana spacers left proud by the corresponding amount. They have thrust washers inside and so need to be part of the overall solution.

    Basically it was all done in a day but involved a great deal of trial fitting, very careful measuring and consideration of which combo of parts to use. And finally stuff did need modification, wasn't a bolt in job.

    The arms are the same weight (checked on scales) but the braced looks a million times better which makes it worthwhile IMO.

    don't know which arm you may be using @Legotoy? Mine fits straight in and as for the weight, my braced arm is nearly half the weight of the banana arm.  the sleeves slide straight in and had no problems with the width either. maybe i am a lucky sod,eh. didn't have to trim anything. as for the inner spacer sleeve, maybe someone already swapped mine before i got it. don't know but inner sleeve didn't  move inwards as i tried pushing them in further but just stopped.

    floated? you have an adjuster on the left side to take out any play and you also have shims/seals either side aswell.

    Don't know if anyone else has had your problems with fitting  this arm but everyone  i've read about has been fairly simple.

     

     

     

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