Yamaha NMAX GPD155 2020 Owner's Manual page 74

Lithium-soap-based grease
The condition and operation of the
front fork must be checked as follows
at the intervals speci d in the periodic
maintenance and lubrication chart.
Check the inner tubes for scratches,
damage and excessive oil leakage.
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion.
[EWA10752]
2. While applying the front brake,
push down hard on the handle-
bars several times to check if the
front fork compresses and re-
bounds smoothly.
8-27
EAU23273
NOTICE
ECA10591