Sym Citycom 300i - Valve Clearance

11. When there is an abnormal condition or a trouble
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DIAGNOSIS WHEN ENGINE DOES NOT START
(1).Has the ignition switch key
been turned to “ ” position?
(2).Is there enough fuel in the fuel
tank?
(3).Is the rea
r or front wheel brakes
applied when pressing starting
button?
(4). Do you rotate the throttle valve handle while
pressing starting the button?
(5). Turn the ignition switch key “
”, and press horn
button down, if the horn does not sound, the fuse
may have been blown.
【Have your scooter checked by SYM authorized dealer or franchised dealer immediately if there are no
problems with the above items and engine still can not be started.】
12. SUGGESTIONS ON ENGINE FUEL
 This scooter is designed to use UNLEADED gasoline of Octane No. 90 or higher.
 If the scooter is operated in high attitude (where the atmosphere pressure is lower), it is suggested that
the air/fuel ratio should be readjusted to maximize the engine performance.
13. TRANSMISSION OIL
 Recommended Oil: Genuine SYM HYPOID GEAR OIL (SAE 85W-140)
 Use SAE85-90 when outside temperature is below 0℃(32℉)
Turn signal light
switch
Horn button
For Front Wheel
For Rear Wheel