TABLE OF CONTENTS SAFETY INFORMATION.................. 1-1
Further safe-riding points................. 1-5
DESCRIPTION ................................... 2-1
Left view .......................................... 2-1
Right view ........................................ 2-2
Controls and instrument s................. 2-3
INSTRUMENT AND CONTROL
FUNCTIONS ....................................... 3-1
Main switch/steering lock................. 3-1
Keyhole cover .................................. 3-2
Indicator lights and warning lights ... 3-2
Tachometer ..................................... 3-3
Fuel gauge....................................... 3-4
Multi-function display ....................... 3-4
Handlebar switches ......................... 3-6
Front brake lever ............................. 3-7
Rear brake lever .............................. 3-7
Fuel tank cap ................................... 3-8
Fuel.................................................. 3-8
Fuel tank breather hose and overflow hose ............................................. 3-9
Catalytic converter ......................... 3-10
Seat ............................................... 3-10
Passenger footrest ........................ 3-11
Helmet holder ................................ 3-11
Storage compartments .................. 3-12
Shock absorber assembly ............. 3-13
Luggage hook ................................ 3-14
Sidestand....................................... 3-14 Ignition circuit cut-
off system ......... 3-15
FOR YOUR SAFETY – PRE-OPERATION
CHECKS ............................................ 4-1
OPERATION AND IMPORTANT RIDING
POINTS .............................................. 5-1
Starting the engine .......................... 5-1
Starting off ....................................... 5-2
Acceleration and deceleration ......... 5-2
Braking ............................................ 5-3
Tips for reducing fuel consumption ................................ 5-3
Engine break-in ............................... 5-3
Parking ............................................ 5-4
PERIODIC MAINTENANCE AND
ADJUSTMENT ................................... 6-1
Owner’s tool kit................................ 6-2
Periodic maintenance chart for the
emission control system .............. 6-4
General maintenance and lubrication chart ............................................. 6-5
Removing and installing panels ...... 6-8
Checking the spark plug.................. 6-9
Engine oil and oil strainer .............. 6-10
Final transmission oil..................... 6-12
Coolant .......................................... 6-13
Air filter and V-belt case air filter elements .................................... 6-15 Checking the engine idling
speed............ ............................ .. 6-16
Checking the throttle grip free play ............................................. 6-17
Valve clearance ............................. 6-17
Tires ............................................... 6-17
Cast wheels ................................... 6-19
Checking the front and rear brake
lever free play ............................. 6-20
Checking the front and rear brake pads............................................ 6-20
Checking the brake fluid level ........ 6-21
Changing the brake fluid ............... 6-22
Checking and lubricating the cables ......................................... 6-22
Checking and lubricating the throttle grip and cable ............................. 6-22
Lubricating the front and rear brake levers .......................................... 6-23
Checking and lubricating the
centerstand and sidestand ......... 6-23
Checking the front fork................... 6-24
Checking the steering .................... 6-25
Checking the wheel bearings......... 6-25
Battery ........................................... 6-25
Replacing the fuses ....................... 6-27
Replacing the headlight bulb ......... 6-28
Tail/brake light ............................... 6-28
Front turn signal light ..................... 6-28
Replacing a rear turn signal light bulb............................................. 6-29
8-1
2
3
4
5
6
789
SPECIFICATIONS
EAU5091K
Dimensions:Overall length:2030 mm (79.9 in)
Overall width: 715 mm (28.1 in)
Overall height: 1295 mm (51.0 in)
Seat height:
795 mm (31.3 in)
Wheelbase: 1405 mm (55.3 in)
Ground clearance: 93 mm (3.66 in)
Minimum turning radius:
2100 mm (82.7 in)Weight:Curb weight:148 kg (326 lb)Engine:Engine type:Liquid cooled 4-stroke, SOHC
Cylinder arrangement: Single cylinder
Displacement:
125 cm
3
Bore × stroke:
52.0 × 58.7 mm (2.05 × 2.31 in)
Compression ratio: 11.0 : 1
Starting system:
Electric starter
Lubrication system: Wet sump
Engine oil:Type:
SAE 10W-40
Recommended engine oil grade: API service SG type or higher, JASO stan-
dard MA or MB
*Engine oil quantity: Periodic oil change:
0.95 L (1.00 US qt, 0.84 Imp.qt)Final transmission oil:Type:SAE 10W-30 type SE motor oil
Quantity:
0.20 L (0.21 US qt, 0.18 Imp.qt)Cooling system:Coolant reservoir capacity (up to the maxi-
mum level mark):0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator capacity (including all routes): 0.56 L (0.59 US qt, 0.49 Imp.qt)
Air filter:Air filter element:Oil-coated paper elementFuel:Recommended fuel:Regular unleaded gasoline
Fuel tank capacity:
7.4 L (1.96 US gal, 1.63 Imp.gal)Fuel injection:*Throttle body:ID mark:52S1 01Spark plug(s):Manufacturer/model:
NGK / CPR8EA
Spark plug gap: 0.8–0.9 mm (0.031–0.035 in)Clutch:Clutch type:
Dry, centrifugal automaticTransmission:Primary reduction ratio:1.000
Final drive:
Gear
Secondary reduction ratio: 8.787 (45 / 13 × 33 / 13)
Transmission type: V-belt automaticChassis:Frame type:Backbone
Caster angle: 26.00 °
–20 –10 0 1020 30 40 50 C
10 30 50 70 90 110
0 130 F
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40SAE 10W-50
INDEXAAcceleration and deceleration....................5-2
Air filter and V-belt case air filter
elements ................................................6-15
Auxiliary light ............................................6-30BBattery......................................................6-25
Brake fluid, changing ...............................6-22
Brake fluid level, checking .......................6-21
Brake lever, front........................................3-7
Brake lever, rear ........................................3-7
Brake levers, lubricating...........................6-23
Braking .......................................................5-3CCables, checking and lubricating .............6-22
Care ...........................................................7-1
Catalytic converter ...................................3-10
Centerstand and sidestand, checking and
lubricating ..............................................6-23
Coolant.....................................................6-13
Coolant temperature warning light .............3-3DDimmer switch ...........................................3-7EEngine break-in ..........................................5-3
Engine idling speed, checking .................6-16
Engine oil .................................................6-10
Engine serial number .................................9-1
Engine trouble warning light.......................3-3FFinal transmission oil ...............................6-12
Front and rear brak e lever free play,
checking ................................................6-20
Front and rear brake pads, checking .......6-20 Front fork, checking ................................. 6-24
Front turn signal light ............................... 6-28
Fuel............................................................ 3-8
Fuel consumption, tips
for reducing........... 5-3
Fuel gauge................................................. 3-4
Fuel tank breather hose and overflow hose ........................................................ 3-9
Fuel tank cap ............................................. 3-8
Fuses, replacing ...................................... 6-27
HHandlebar switches ................................... 3-6
Headlight bulb, replacing ......................... 6-28
Helmet holder .......................................... 3-11
High beam indicator light ........................... 3-2
Horn switch ................................................ 3-7IIdentification numbers ............................... 9-1
Ignition circuit cut-off system ................... 3-15
Indicator lights and warning lights ............. 3-2KKeyhole cover ............................................ 3-2LLicense plate light bulb, replacing ........... 6-30
Luggage hook .......................................... 3-14MMain switch/steering lock........................... 3-1
Maintenance and lubrication, periodic ....... 6-5
Maintenance, emission control system...... 6-4
Matte color, caution ................................... 7-1
Model label ................................................ 9-1
Multi-function display ................................. 3-4PPanels, removing and installing ................. 6-8
Parking ...................................................... 5-4 Part locations ............................................ 2-1
Passenger footrest .................................. 3-11
Pass switch ............................................... 3-7
SSafe-riding points ...................................... 1-5
Safety information ..................................... 1-1
Seat ......................................................... 3-10
Shock absorber assembly ....................... 3-13
Sidestand ................................................ 3-14
Spark plug, checking ................................. 6-9
Specifications ............................................ 8-1
Starting off ................................................. 5-2
Starting the engine .................................... 5-1
Start switch................................................ 3-7
Steering, checking................................... 6-25
Storage...................................................... 7-4
Storage compartments ............................ 3-12TTachometer ............................................... 3-3
Tail/brake light ......................................... 6-28
Throttle grip and cable, checking and
lubricating ............................................. 6-22
Throttle grip free play, checking .............. 6-17
Tires ........................................................ 6-17
Tool kit....................................................... 6-2
Troubleshooting ...................................... 6-30
Troubleshooting charts............................ 6-32
Turn signal indicator lights ........................ 3-2
Turn signal light bulb (rear), replacing..... 6-29
Turn signal switch ..................................... 3-7VValve clearance....................................... 6-17
Vehicle identification number .................... 9-1