thanks for your advice knackeredMk1 i will keep delving into it its def a casting on the l,h.s. servo crankcase with japanese writing as well i will work out a way of getting a photo on have to ask my son as im a tecnophobe of 62years old

thanks it sounds like it might a carb kite it feels like its getting a boost from somewhere ! im just enjoying it

cant see anything mugen related on FAQ only other item ive heard of is a mugen aftermarket piston i wonder if its had a reed replacement as it seems to leap forward once the revs build my other ar has a much more linear power curve ?

thanks will do

any help with a paint for the gold casings on an ar i have a very nice 1997 imported street bike with 10k only fab paint and graphics but usual worn paint on crankcase covers im keeping it as a road bike with avons on for the summer just want it perrrfect

sorry knackered i just mean the ecu unit it is a very quick bike and i wonder what else may be mugen related 1997 bike 160kph easy on 14\42 sprockets i have another ar 2000 owned from nearly new 14 years also with a mugen ecu so im used to the model tom at leisure trail waw not much help if anyone k...

anybody know the importance or information behind this factory casting on an ar it also has a mugen brain above the airbox

ta w ot a speedy result thanks for your help ive had my ar for over nine years 2000 v reg one of the last . clocked 26km only ever had to replace f.pegs with i.m.s ones excellent. usual bearings amd swingarm spindle probs .kickstart worn easy to spot weld a heal on it.watch out for seized p.v cables...

help; anybody know of a gear lever that will fit a crm250ar leisure trail used to do them for 45 qd aftermarket poss a ccm? mine is a bit shagged i noted that the ar on ebay went for 1475 any comments