charlie99
VIP
Number of posts : 11701
this is a crankcase breather ,,,,that as you can see lets the air pass between the motor and the plenum (intake manifold )
on the k100 if air gets into this section via other means than the afm (airflow meter ) in the top of the air box the bike will run lean ...as there is no way to measure the air passing in
symptoms could be, that the bike idles poorly etc
if it is just a crack in the outer rubber and not yet sucking air, all should be ok ...but get a spare whilst you can they aren't dear from motobins or motoworks
you can simulate the leak affect by undoing the oil filler on the right hand side with bike running .
hope that helps a little
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cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )
'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
'86 k100 rs.. #######.. "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
1987 k100rs ######## "Red" - (red sports rs TWB style )
1989 K100rt #009637 "Black Betty" (naked rt ala Nigel , now sporting an rs main fairing )