Installing The Hydraulic Unit Assembly - Yamaha FZ 25 2021 Supplementary Service Manual

EAS30200
INSTALLING THE HYDRAULIC UNIT
ASSEMBLY
1. Install:
• Hydraulic unit assembly
Hydraulic unit assembly bolt
7 N·m (0.7 kgf·m, 5.2 lb·ft)
TIP
Do not allow any foreign materials to enter the
hydraulic unit assembly or the brake hoses
when installing the hydraulic unit assembly.
ECA21110
NOTICE
Do not remove the rubber plugs or bolts
(M10  1.25) installed in the brake hose union
bolt holes before installing the hydraulic unit
assembly.
2. Remove:
• Rubber plugs or bolts (M10  1.25)
3. Install:
• Rear brake hose (brake master cylinder to
hydraulic unit) "1"
• Front brake hose (brake hose joint to hydrau-
lic unit) "2"
• Front brake hose (hydraulic unit to brake
hose joint) "3"
• Rear brake hose (hydraulic unit to brake cali-
per) "4"
Front brake hose union bolt
29 N·m (2.9 kgf·m, 21 lb·ft)
Rear brake hose union bolt
29 N·m (2.9 kgf·m, 21 lb·ft)
ECA21121
NOTICE
If the brake hose union bolt does not turn
easily, replace the hydraulic unit assembly,
brake hoses, and related parts as a set.
a. Temporarily install the brake hoses as
shown in the illustration.
b. Position the front brake hose (hydraulic
unit to front brake caliper) "2" so that pin
shall touch to end fitting of bracket "a" and
then temporarily tighten the union bolt for
the brake hose "2".
ABS (ANTI-LOCK BRAKE SYSTEM)
4-25
c. Position the front brake hose (hydraulic
unit to front brake master cylinder) "1" so
that pin shall contact "b" of front brake
hose (hydraulic unit to front brake caliper)
"2" and then temporarily tighten the union
bolt for the brake hose "1".
d. Position the rear brake hose (hydraulic
unit to rear brake master cylinder) "3" so
that pin shall contact "d" of front brake
hose (hydraulic unit to front brake master
cylinder) "1" and then temporarily tighten
the union bolt for the brake hose "3".
e. Position the rear brake hose (hydraulic
unit to rear brake caliper) "4" so that pin
shall contact "c" of rear brake hose (hy-
draulic unit to rear brake master cylinder)
"3" and then temporarily tighten the union
bolt for the brake hose "4".
f. Tighten the brake hose union bolts to
specification.
4. Connect:
• ABS ECU coupler "1"
TIP
• Connect the ABS ECU coupler, and then push
the lock lever "a" of the coupler in the direction
of the arrow shown.
• Make sure that the ABS ECU coupler is con-
nected in the correct position as shown in illus-
tration "A".
a
CHAS
1