2003 YAMAHA BIG BEAR PRO 400 brake

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Page 238 of 388

YAMAHA BIG BEAR PRO 400 2003  Owners Manual 7-65
CROSSING THROUGH SHALLOW WATER
The ATV can be used to cross slow moving, shal-
low water of up to a maximum of 35 cm in depth.
Before entering the water, choose your path care-
fully. Enter where

Page 240 of 388

YAMAHA BIG BEAR PRO 400 2003  Owners Manual 7-67
1. Check hose
1. Flexible de contrôle
1. Manguito de retención
Test your brakes after leaving the water. Do not
continue to ride your ATV without verifying that
you have regained proper braking

Page 244 of 388

YAMAHA BIG BEAR PRO 400 2003  Owners Manual 7-71
SLIDING AND SKIDDING
Care should be used when riding on loose or slip-
pery surfaces since the ATV may slide. If unex-
pected and uncorrected, sliding could lead to an
accident.
To reduce the ten

Page 248 of 388

YAMAHA BIG BEAR PRO 400 2003  Owners Manual 7-75
WHAT TO DO IF...
This section is designed to be a reference guide
only. Be sure to read each section on riding tech-
niques completely.
WHAT TO DO...
If your ATV doesn’t turn when you want it

Page 250 of 388

YAMAHA BIG BEAR PRO 400 2003  Owners Manual 7-77
If your ATV can’t make it up a hill you are trying
to climb:
Turn the ATV around if you still have forward
speed. If not, stop, dismount on the uphill side
of the ATV and physically turn the A

Page 252 of 388

YAMAHA BIG BEAR PRO 400 2003  Owners Manual 7-79
If your ATV encounters shallow water:
Ride slowly and carefully through slow moving
water, watching for obstacles. Be sure to let
water drain from the ATV and CHECK YOUR
BRAKES FOR PROPER OPERAT

Page 260 of 388

YAMAHA BIG BEAR PRO 400 2003  Owners Manual 8-7
EBL00262PERIODIC MAINTENANCE/LUBRICATION
ITEM ROUTINEINITIAL EVERY
1
month3 
months6 
months6 
months1
year
Valves*•Check valve clearance.
•Adjust if necessary.Spark plug•Check condition.

Page 261 of 388

YAMAHA BIG BEAR PRO 400 2003  Owners Manual 8-8 * It is recommended that these items be serviced by a Yamaha dealer.
NOTE:
Recommended brake fluid: DOT 4

Brake fluid replacement:
1. When disassembling the master cylinder or caliper cylinder,