Checking The Throttle Grip Free Play; Valve Clearance - Yamaha Aerox GDR155 Owner's Manual

Periodic maintenance and adjustment
4. Apply oil of the recommended
type to the entire surface of the
sponge material,
squeeze the excess oil out.
TIP
 The air filter element should be
wet but not dripping.
 Check the air filter element for ex-
cessive dirt or damage and re-
place it if necessary.
9
Recommended oil:
Yamaha foam air filter oil or other
quality foam air filter oil
5. Insert the element into the V-belt
case.
6. Install the air filter element cover
by installing the screws.
Checking the throttle grip free
play
Measure the throttle grip free play as
shown.
A
A
and then
1. Throttle grip free play
Throttle grip free play:
3.0–5.0 mm (0.12–0.28 in)
Periodically check the throttle grip free
play and, if necessary, have a Yamaha
dealer adjust it.
EAU21386

Valve clearance

The valve clearance changes with use,
resulting in improper air-fuel mixture
and/or engine noise. To prevent this
from occurring, the valve clearance
must be adjusted by a Yamaha dealer
at the intervals specified in the periodic
maintenance and lubrication chart.
1
9-17
EAU21402