oil pressure YAMAHA YFM50R 2007 Owners Manual

EBU17420
TABLE OF CONTENTS
SAFETY INFORMATION ............................. 1-1
LOCATION OF THE WARNING AND
SPECIFICATION LABELS ............................ 2-1
DESCRIPTION .............................................. 3-1
Left view ..................................................... 3-1
Right view................................................... 3-1
Controls and instruments ........................... 3-2
INSTRUMENT AND CONTROL
FUNCTIONS .................................................. 4-1
Main switch ............................................... 4-1
Indicator light ............................................. 4-1
Handlebar switches ................................... 4-2
Engine stop switch with lanyard ................ 4-2
Throttle lever ............................................. 4-4
Speed limiter ............................................. 4-5
Front brake lever ....................................... 4-6
Rear brake lever ........................................ 4-6
Parking brake ............................................ 4-6
Drive select lever ....................................... 4-7
Fuel tank cap ............................................. 4-7
Fuel ........................................................... 4-8
Fuel cock ................................................... 4-9Choke ...................................................... 4-10
Seat ......................................................... 4-11
PRE-OPERATION CHECKS ..........................5-1
Pre-operation check list ............................. 5-1
Fuel ............................................................ 5-3
Engine oil ................................................... 5-3
Final gear oil .............................................. 5-3
Front and rear brakes ................................ 5-3
Throttle lever .............................................. 5-4
Tires ........................................................... 5-4
Measuring the tire pressure ....................... 5-5
Tire wear limit ............................................ 5-6
Chassis fasteners ...................................... 5-6
Instruments, lights and switches ................ 5-6
Battery ....................................................... 5-6
OPERATION...................................................6-1
Starting a cold engine ................................ 6-1
Starting a warm engine .............................. 6-3
Shifting ....................................................... 6-3
Engine break-in .......................................... 6-5
Parking ....................................................... 6-5
Parking on a slope ..................................... 6-6
Accessories and loading ............................ 6-7

8-4
1
2
3
4
5
6
78
9
10
11

7
*
Rear brake

Check operation and correct if necessary.

Check brake lever free play and adjust if neces-
sary.
√√√√√

Replace brake shoes. Whenever worn to the limit
8
*
Wheels

Check runout and for damage, and replace if nec-
essary.
√ √√√
9
*
Tires


Check tread depth and for damage, and replace if
necessary.

Check air pressure and balance, and correct if
necessary.
√ √√√
10
*
Wheel bearings


Check for looseness or damage, and replace if
necessary.
√ √√√
11
*
Drive shaft univer-
sal joint


Lubricate with lithium-soap-based grease.
√√√
12
*
Chassis fasteners


Make sure that all nuts, bolts, and screws are
properly tightened.
√√√√√
13
*
Shock absorber
assemblies


Check operation and correct if necessary.

Check for oil leakage and replace if necessary.
√√√
14
*
Knuckle shafts


Lubricate with lithium-soap-based grease.
√√√
15
*
Steering shaft


Lubricate with lithium-soap-based grease.
√√√
16
*
Steering system


Check operation and repair or replace if damaged.

Check toe-in and adjust if necessary.
√√√√√
17
*
Carburetor


Check choke operation and correct if necessary.

Check engine idling speed and adjust if neces-
sary.
√√√√
NO. ITEMCHECK OR MAINTENANCE
JOBINITIAL EVERY
Whichev-
er comes
firstmonth 1 3 6 6 12
km
(mi)320
(200)1200
(750)2400
(1500)2400
(1500)4800
(3000)
hours 20 75 150 150 300

10-3
1
2
3
4
5
6
7
8
910
11

Manufacturer/model:
DUNLOP/KT145
Rear tire:
Type:
Tubeless
Size:
AT16 x 8-7
Manufacturer/model:
DUNLOP/KT145
Loading:
Maximum loading limit:
40.0 kg (88 lb)
(Total weight of rider, cargo, accessories, and tongue)
Tire air pressure (measured on cold tires):
Recommended:
Front:
20.0 kPa (2.9 psi) (0.200 kgf/cm
2

)
Rear:
20.0 kPa (2.9 psi) (0.200 kgf/cm
2

)
Minimum:
Front:
17.0 kPa (2.5 psi) (0.170 kgf/cm
2

)
Rear:
17.0 kPa (2.5 psi) (0.170 kgf/cm
2

)
Maximum:
Front:
23.0 kPa (3.3 psi) (0.230 kgf/cm
2

)
Rear:
23.0 kPa (3.3 psi) (0.230 kgf/cm
2

)
Front wheel:
Wheel type:
Panel wheel
Rim size:
7x5.5AT
Rear wheel:
Wheel type:
Panel wheel
Rim size:
7x6.5AT
Front brake:
Type:
Drum brake
Operation:
Right hand operation
Rear brake:
Type:
Drum brake
Operation:
Left hand operation
Front suspension:
Type:
Leading arm
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
57 mm (2.3 in)
Rear suspension:
Type:
Swingarm