Yamaha MBK X-MAX 300 2017 Service Manual page 165

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.
TIP
Do not allow any foreign materials to enter the
hydraulic unit assembly or the brake hoses
when installing the hydraulic unit assembly.
2. Remove:
• Rubber plugs or bolts (M10 × 1.25)
3. Install:
• Front brake hose (front brake master cylinder
to hydraulic unit) "1"
• Front brake hose (hydraulic unit to front brake
caliper) "2"
• Rear brake hose (hydraulic unit to rear brake
caliper) "3"
• Rear brake hose (rear brake master cylinder
to hydraulic unit) "4"
Front brake hose union bolt (hy-
draulic unit assembly side)
29 N·m (2.9 kgf·m, 21 lb·ft)
Rear brake hose union bolt (hy-
draulic unit assembly side)
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 (front brake
master cylinder to hydraulic unit) "1" so
that its projection "a" contacts the front
brake hose (hydraulic unit to front brake
caliper) "2", and then temporarily tighten
the union bolt for the front brake hose
(front brake master cylinder to hydraulic
unit).
c. Position the front brake hose (hydraulic
unit to front brake caliper) "2" so that its
projection "b" contacts the front brake
hose (front brake master cylinder to hy-
draulic unit) "1", and then temporarily tight-
en the union bolt for the front brake hose
(hydraulic unit to front brake caliper).
ABS (ANTI-LOCK BRAKE SYSTEM)
d. Position the rear brake hose (hydraulic
unit to rear brake caliper) "3" so that its
projection "c" contacts the rear brake hose
(rear brake master cylinder to hydraulic
unit) "4", and then temporarily tighten the
union bolt for the rear brake hose (hydrau-
lic unit to rear brake caliper).
e. Position the rear brake hose (rear brake
master cylinder to hydraulic unit) "4" so
that its pipe "d" contacts the rear brake
hose (hydraulic unit to rear brake caliper)
"3".
f. Tighten the brake hose union bolts to
specification.
4
2
b
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".
4-66
d c
3
a
1
a
1