E-TON Viper 90R Owner's Manual page 53

TIP
This model is equipped with an ignition circuit cut-
off system. The engine can be started only when
the rear brake lever is applied.
5. Use the choke in reference to the figure:
Ambient temp./choke position
0° 10°
30° 50°
1
2
1
1. Fully open
2. Half open (warming up position)
3. Closed
4. Choke
°C
20° 30°
90° °F
70°
3
4
3
Position (1):
Cold engine start with ambient temperature be-
low 30 °C (90 °F).
Position (2):
Warming up position.
Position (3):
Cold engine start with ambient temperature
above 25 °C (80 °F).
6. Completely close the throttle lever and start
the engine by pushing the start switch.
TIP
If the engine fails to start, release the start switch,
then push it again. Pause a few seconds before
the next attempt. Each cranking should be as short
as possible to preserve battery energy. Do not
crank the engine more than 10 seconds on each
attempt.
6-2
6 6