Vento Phantom R4i - Ignition Timing Test

VENTO MOTORCYCLES
Rev no.01/ page 74of 84
IGNITION TIMING TEST
1. Remove the ignition timing inspection hole cap.
2. Connect the timing light (Stroboscope).
3. Start the engine and aim the timing light at ignition mark on the magneto fly wheel (As shown in figure).
•During idling speed
Ignition mark “F” align with “I” mark of timing inspection hole i.e., 13º before TDC @1400 RPM
(See Tachometer).
•During Acceleration
“II”FULL ADVANCE index mark align with“I”mark of timing inspection hole i.e. 28º before
TDC @ 4000 RPM.If the ignition timing is not correct, replace CDI, and then check with new one.