Checking The Rear Brake Hoses; Adjusting The Rear Brake Light Switch; Bleeding The Hydraulic Brake System - Yamaha XV19SW Service Manual

2. Check:
• Brake hose clamps
Loose → Tighten the clamp bolt.
3. Hold the vehicle upright and apply the brake
several times.
4. Check:
• Brake hoses
Brake fluid leakage → Replace the damaged
hose.
Refer to "FRONT BRAKE" on page 4-31.
EAS21290

CHECKING THE REAR BRAKE HOSES

1. Remove:
• Rider seat
Refer to "GENERAL CHASSIS" on page 4-1.
2. Check:
• Brake hoses "1"
Cracks/damage/wear → Replace.
1
1
3. Check:
• Brake hose clamp
Loose connection → Tighten the clamp bolt.
4. Check:
• Brake hose guide
Loose → Tighten the guide bolt.
5. Hold the vehicle upright and apply the brake
several times.
6. Check:
• Brake hoses
Brake fluid leakage → Replace the damaged
hose.
Refer to "REAR BRAKE" on page 4-43.
1
1
1
3-22
EAS21330
ADJUSTING THE REAR BRAKE LIGHT
SWITCH
NOTE:
The rear brake light switch is operated by move-
ment of the brake pedal. The rear brake light
switch is properly adjusted when the brake light
comes on just before the braking effect starts.
1. Check:
• Rear brake light operation timing
Incorrect → Adjust.
2. Adjust:
• Rear brake light operation timing
M MMM M MMM M M MMM M M MMM M
a. Hold the main body "1" of the rear brake light
switch so that it does not rotate and turn the
adjusting nut "2" in direction "a" or "b" until the
rear brake light comes on at the proper time.
Direction "a"
Brake light comes on sooner.
Direction "b"
Brake light comes on later.
1
2
a
L LLL L LLL L L LLL L L LLL L
EAS21350
BLEEDING THE HYDRAULIC BRAKE
SYSTEM
EWA13100
WARNING
Bleed the hydraulic brake system whenever:
• the system is disassembled.
• a brake hose is loosened, disconnected or
replaced.
• the brake fluid level is very low.
• brake operation is faulty.
1. Remove:
• Rider seat
Refer to "GENERAL CHASSIS" on page 4-1.
CHASSIS
M MMM M M MMM M MMM
b
L LLL L L LLL L LLL