2017 YAMAHA VIKING brake fluid

8-34
8
EBU32490Checking the parking brake padsEach brake pad is provided with a wear indi-
cator groove, which allows you to check the
brake pad wear without having to disassem-
ble the brake. If a brake pad has worn to the
point that the wear indicator groove has al-
most disappeared, have a Yamaha dealer re-
place the brake pads as a set.
EBU32500Checking the brake fluid levelBefore riding, check that the brake fluid is
above the minimum level mark. Check the
brake fluid level with the top of the reservoir
level. Replenish the brake fluid if necessary.
1. Brake pad wear indicator groove
1
1. Brake pad wear indicator groove
1
UB427BE0.book Page 34 Friday, February 5, 2016 2:14 PM

8-35
8
WARNING
EWB02721Improper maintenance can result in loss of
braking ability. Observe these precau-
tions:
Insufficient brake fluid may allow air to
enter the brake system, reducing brak-
ing performance. 
Clean the filler cap before removing. Use
only DOT 4 brake fluid from a sealed
container.
 Use only the specified brake fluid; other-
wise, the rubber seals may deteriorate,
causing leakage.
 Refill with the same type of brake fluid.
Adding a brake fluid other than DOT 4
may result in a harmful chemical reac-
tion.
 Be careful that water does not enter the
brake fluid reservoir when refilling. Wa-
ter will significantly lower the boiling
point of the fluid and may result in vapor
lock.
NOTICEECB01161Brake fluid may damage painted surfaces
or plastic parts. Always clean up spilled
fluid immediately.
1. Minimum level markSpecified brake fluid: DOT 4
1
UB427BE0.book Page 35 Friday, February 5, 2016 2:14 PM

8-36
8
As the brake pads wear, it is normal for the
brake fluid level to gradually go down. A low
brake fluid level may indicate worn brake
pads and/or brake system leakage; therefore,
be sure to check the brake pads for wear and
the brake system for leakage. If the brake fluid
level goes down suddenly, have a Yamaha
dealer check the cause before further riding.EBU32520Brake fluid replacementComplete fluid replacement should be done
only by trained Yamaha service personnel.
Have a Yamaha dealer replace the following
components during pe riodic maintenance or
when they are damaged or leaking.
 Replace the oil seals every two years.
 Replace the brake hoses every four years.EBU32530Checking the brake pedalHave a Yamaha dealer check the brakes at
the intervals specified in the periodic mainte-
nance and lubrication chart. There should be no free play in the brake pedal. The brakes
should operate smoothly
and there should be
no brake drag. If the brakes feel soft or
spongy, this could indicate air in the brake
system. Have a Yamaha dealer check the
brake system if necessary.
EBU32540Parking brake lever free play adjust-
mentPeriodically check the parking brake lever
free play and adjust it if necessary.1. Brake pedal
2. No brake pedal free play
1
2
UB427BE0.book Page 36 Friday, February 5, 2016 2:14 PM

10-4
10
Rear:120.0 kPa (1.200 kgf/cm², 17 psi)
Front wheel:Wheel type:
Cast wheel (YXM70VPSH)
Panel wheel (YXM70VPHH, YXM70VPXH)
Rim size:
12 x 6.0AT (YXM70VPSH)
12 x 7.5AT (YXM70VPHH, YXM70VPXH)Rear wheel:Wheel type:Cast wheel (YXM70VPSH)
Panel wheel (YXM70VPHH, YXM70VPXH)
Rim size: 12 x 7.5ATFront brake:Type:
Hydraulic disc brake
Operation: Unified brake
Specified brake fluid: DOT 4Rear brake:Type:Hydraulic disc brake
Operation: Unified brake
Specified brake fluid:
DOT 4
Front suspension:Type:Double wishbone
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel: 205 mm (8.1 in)Rear suspension:Type:
Double wishbone
Spring/shock absorber type: Coil spring/gas-oil damper
Wheel travel: 205 mm (8.1 in)Electrical system:Ignition system:TCI
Charging system: AC magnetoBattery:Model:U1-H11L
Voltage, capacity: 12 V, 28.0 AhHeadlight(s):Bulb type:Halogen bulbBulb voltage, wattage × quantity:Headlight:
12 V, 35.0/35.0 W × 2
UB427BE0.book Page 4 Friday, February 5, 2016 2:14 PM

12-1
12
INDEX
AAccelerator pedal ......................................................... 4-12
Accelerator pedal, Pre-operation check ........................ 5-6
Air filter case/duct check hose, cleaning ..................... 8-30
Air filter element, cleaning ............................................ 8-25
Auxiliary DC jack .......................................................... 4-24
Axle boots .................................................................... 8-22BBasic guide for safe use ................................................. 7-1
Battery, Periodic maintenance ..................................... 8-42
Brake fluid level, checking ........................................... 8-34
Brake fluid, replacing ...................................................8-36
Brake light switch, adjusting ........................................ 8-38
Brake pedal .................................................................. 4-12
Brake pedal and accelerator pedal, lubrication ........... 8-38
Brake pedal, checking ................................................. 8-36
Brakes, Periodic maintenance ..................................... 8-33
Brakes, Pre-operation check ......................................... 5-3CCable, inspecting and lubrication ................................ 8-38
Cargo bed .................................................................... 4-21
Cleaning ......................................................................... 9-1
Control cables, Pre-operation check ............................. 5-8
Coolant, Periodic maintenance .................................... 8-21
Coolant, Pre-operation check ........................................ 5-6
Coolant temperature warning light ................................. 4-4
Cup holders .................................................................. 4-20DDifferential gear oil, Periodic maintenance .................. 8-19Differential gear, Pre-operation check ........................... 5-6
Doors ........................................................................... 4-15
Driver seat position ...................................................... 4-16
Drive select lever .......................................................... 4-14
Drive select lever operation and reverse driving ............ 6-3
EEngine break-in .............................................................. 6-1
Engine oil and oil filter cartridge, Periodic
maintenance .............................................................. 8-11
Engine oil, Pre-operation check ..................................... 5-5
Engine trouble warning light .......................................... 4-4
EPS warning light ........................................................... 4-5FFinal gear oil, Periodic maintenance ............................ 8-16
Final gear, Pre-operation check ..................................... 5-6
Fittings and fasteners, Pre-operation check .................. 5-7
Front and rear brake pads, checking ........................... 8-33
Front and rear shock absorber assemblies ................. 4-23
Fuel, Pre-operation check .............................................. 5-3
Fuel tank cap ............................................................... 4-14
Fuse, replacing ............................................................. 8-47GGlove compartment ..................................................... 4-18HHeadlight beam, adjusting ........................................... 8-52
Headlight bulb, replacing ............................................. 8-50
Helmet indicator light ..................................................... 4-5
High-range indicator light .............................................. 4-2
Hood ............................................................................ 8-10
Horn switch .................................................................. 4-12
UB427BE0.book Page 1 Friday, February 5, 2016 2:14 PM