just getting back into this trials lark and have got hold of a 1998 techno.

bike seems to run just fine but is a little noisy and i'm looking to repack/clean the rear box.

i took off the rear cover but centre tube does not appear to be removable, is it just a matter of dragging out all the old packing and re-stuffing the box ? how tightly do i pack it ?

is there any way of cleaning the centre tube as i am assuming this is some sort of baffle ?

thanks

i just clean the silencer with some wd or similar, then ring John Lampkin's i know they supply cartridge inserts for the rev 3 so will probably do one for a techno