Checking The Hydraulic Unit Assembly; Checking The Proportioning Valve And Metering Valve; Checking The Brake Pipes; Installing The Hydraulic Unit Assembly - Yamaha FJR13AG Service Manual

• When using a bolt, do not tighten the bolt until
the bolt head touches the hydraulic unit. Other-
wise, the brake pipe seating surface could be
deformed.
a
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EAS30198
CHECKING THE HYDRAULIC UNIT
ASSEMBLY
1. Check:
• Hydraulic unit assembly
Cracks/damage → Replace the hydraulic unit
assembly and the brake pipes that are con-
nected to the assembly as a set.
EAS31851
CHECKING THE PROPORTIONING VALVE
AND METERING VALVE
1. Check:
• Proportioning valve
Cracks/damage → Replace the proportioning
valve.
• Metering valve
Cracks/damage → Replace the metering
valve
EAS30935

CHECKING THE BRAKE PIPES

The following procedure applies to all of the
brake pipes.
1. Check:
• Brake pipe end (flare nut)
Damage → Replace the hydraulic unit, brake
pipes, and related parts as a set.
ABS (ANTI-LOCK BRAKE SYSTEM)
EAS30200
INSTALLING THE HYDRAULIC UNIT
ASSEMBLY
1. Install:
• Hydraulic unit assembly
TIP
Do not allow any foreign materials to enter the
hydraulic unit assembly or the brake hoses or
brake pipes when installing the hydraulic unit as-
sembly.
ECA18260
NOTICE
Do not remove the rubber plugs or bolts
(M10 × 1.0) installed in the flare nut holes be-
fore installing the hydraulic unit assembly.
2. Remove:
• Rubber plugs or bolts (M10 × 1.0)
3. Connect:
• ABS ECU coupler "1"
TIP
Push the coupler ejection slider down until a
click is heard, making sure that is installed se-
curely.
4. Install:
• Brake pipe/lower joint assembly "1"
• Brake pipe/middle joint assembly "2"
• Brake pipe/joint assembly stay "3"
• Brake pipe/upper joint assembly "4"
TIP
Temporarily tighten the brake pipe/joint assem-
bly flare nuts and bolts.
5. Tighten:
• Brake pipe/joint assembly flare nuts "5"
• Brake pipe/joint assembly bolts "6"
Brake pipe/joint assembly flare
nut
16 Nm (1.6 m·kgf, 12 ft·lbf)
Brake pipe/joint assembly bolt
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
4-80
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