Checking The Setting Of The Tvc System - KTM 250 1998 Repair Manual

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1.5 Checking the setting of the TVC system

N : T TVC
OTE HE FUNCTION OF THE
T
HIS TEST CHECKS THE START OF ADVANCE AND THE END OF ADVANCE
– For this, remove the left control cover.
– Connect a rev counter (either to the ignition cable or to the blue/white cable in
the electronics box, depending on the rev counter design).
– Start engine, accelerate gently and observe when the TVC system starts to advan-
ce (tooth segment creeps upwards).
S :
TART OF ADVANCE
250: at 5400 rpm
300: at 5300 rpm
380: at 5200 rpm
– If necessary, turn the adjusting screw
N : T
OTE WISTING THE ADJUSTING SCREW IN DELAYS THE COMMENCEMENT OF ADJUSTMENT BY
TVC ,
THE SYSTEM TWISTING THE ADJUSTING SCREW OUT MEANS THAT THE
PERFORM THE ADJUSTMENT EARLIER
SYSTEM IS CHECKED WITH THE ENGINE RUNNING
.
E :
ND OF ADVANCE
at 7550 rpm
at 7400 rpm
at 7200 rpm
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TVC
SYSTEM WILL