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Starting system:Electric starter
Lubrication system: Dry sumpEngine oil:Recommended brand:
SAE viscosity grades:
5W-30, 10W-30, 10W-40, 15W-40, 20W-40, 20W-50
Recommended engine oil grade: API service SG type or higher, JASO standard MA
Quantity: Oil change: 1.75 L (1.85 US qt, 1.54 Imp.qt) With oil filter removal:
1.85 L (1.96 US qt, 1.63 Imp.qt)
Coolant quantity:Radiator (including all routes):
1.68 L (1.78 US qt, 1.48 Imp.qt)
Coolant reservoir (up to the maximum level mark): 0.25 L (0.26 US qt, 0.22 Imp.qt)Air filter:Air filter element:
Wet element
Air filter oil grade: Foam air-filter oilFuel:Recommended fuel:
Regular unleaded gasoline (Gasohol [E10] acceptable)
Minimum research octane: 91
Fuel tank capacity: 11 L (2.9 US gal, 2.4 Imp.gal)
Fuel reserve amount:
1.6 L (0.42 US gal, 0.35 Imp.gal)Throttle body:ID mark:1S3HSpark plug (s):Manufacturer/model:NGK/CR8E
Spark plug gap: 0.7–0.8 mm (0.028–0.031 in)
0 10 30 50 70 90 110 130 ˚F
–20 –10 0 10 20 30 40 50 ˚CSAE 5W-30
SAE 10W-30
SAE 10W-40
SAE 15W-40
SAE 20W-40SAE 20W-50
UBCX61E0.book  Page 2  Friday, January 22, 2021  1:54 PM 
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INDEX
AAccessories and loading  ................................................ 7-6
Air filter element, cleaning ............................................ 9-21BBattery .......................................................................... 9-45
Brake and clutch levers, checking and lubricating  ...... 9-41
Brake fluid, changing  ...................................................9-33
Brake fluid level, checking  ........................................... 9-30
Brake lever  ..................................................................... 5-6
Brake lever free play, checking the front  ..................... 9-33
Brake light switches  ..................................................... 9-36
Brake pads, checking the front and rear  ..................... 9-29
Brake pedal  .................................................................... 5-6
Brake pedal, checking and lubricating  ........................ 9-41
Brake pedal height, checking  ...................................... 9-34
Brakes .......................................................................... 9-29
Brakes, front and rear  .................................................... 6-4
Brake/tail light  .............................................................. 9-52CCables, checking and lubricating ................................. 9-40
Chassis fasteners  ........................................................... 6-7
Cleaning ....................................................................... 10-1
Clutch lever  .................................................................... 5-5
Clutch lever free play, adjusting ................................... 9-36
Coolant ................................................................. 6-4, 9-18
Coolant temperature warning light ................................. 5-2DDrive chain  ..................................................................... 6-5
Drive chain, lubricating  ................................................ 9-40 Drive chain slack  .......................................................... 9-38
EEngine break-in  .............................................................. 7-5
Engine idling speed ...................................................... 9-27
Engine oil  ....................................................................... 6-4
Engine oil and oil filter element  .................................... 9-12
Engine, start  ................................................................... 7-1
Engine stop switch ......................................................... 5-4
Engine trouble warning light  .......................................... 5-3FFuel ...................................................................... 5-10, 6-4
Fuel level warning light ................................................... 5-2
Fuel tank cap  ................................................................. 5-9
Fuses, replacing  ........................................................... 9-49HHandlebar switches  ....................................................... 5-3
Headlight beam, adjusting  ........................................... 9-52
Headlight bulb, replacing  ............................................. 9-50IIdentification numbers  ................................................... 1-1
Indicator lights and warning lights  ................................. 5-1
Instruments, lights and switches  ................................... 6-7LLabel locations  ............................................................... 2-1
Light switch  .................................................................... 5-4MMain switch  .................................................................... 5-1
Maintenance chart, emission control system  ................ 9-3
UBCX61E0.book  Page 1  Friday, January 22, 2021  1:54 PM