2018 YAMAHA FJR1300AS cooling

For your safety – pre-operation checks
4-1
4
EAU63440
Inspect your vehicle each time you use it to make sure the vehicle is in safe oper-
ating condition. Always follow the inspection and maintenance procedures and
schedules described in the Owner’s Manual.
WARNING
EWA11152
Failure to inspect or maintain the vehicle properly increases the possibility
of an acci dent or equipment d amage. Do not operate the vehicle if you fin d
any prob lem. If a pro blem cannot be corrected b y the proce dures provi ded
in this manual, have the vehicle inspecte d b y a Yamaha d ealer.
Before using this vehicle, check the following points:
ITEM CHECKSPAGE
Fuel • Check fuel level in fuel tank.
• Refuel if necessary.
• Check fuel line for leakage.
• Check fuel tank overflow hose for obstructions, cracks
or damage, and check hose connection. 3-31,
3-33
En gine oil • Check oil level in engine.
• If necessary, add recommended oil to specified level.
• Check vehicle for oil leakage. 6-11
Final gear oil • Check vehicle for oil leakage. 6-14
Coolant • Check coolant level in reservoir.
• If necessary, add recommended coolant to specified
level.
• Check cooling system for leakage. 6-16
Front brake • Check operation.
• If soft or spongy, have Yamaha dealer bleed hydraulic
system.
• Check brake pads for wear.
• Replace if necessary.
• Check fluid level in reservoir.
• If necessary, add specified brake fluid to specified level.
• Check hydraulic system for leakage. 6-24,
6-25
Rear brake • Check operation.
• If soft or spongy, have Yamaha dealer bleed hydraulic
system.
• Check brake pads for wear.
• Replace if necessary.
• Check fluid level in reservoir.
• If necessary, add specified brake fluid to specified level.
• Check hydraulic system for leakage. 6-24,
6-25
YCC-S clutch • Check operation.
• Check fluid level in reservoir.
• If necessary, add specified brake fluid to specified level.
• Check hydraulic system for leakage. 6-22,
6-25
UB95E1E0.book Page 1 Tuesday, September 26, 2017 12:01 PM

Periodic maintenance an d a djustment
6-36
6 En
gine overheatin g
WARNING
EWAT1041
Do not remove the ra diator cap when the en gine an d ra diator are hot.
Scal din g hot flui d an d steam may b e blown out un der pressure, which
coul d cause serious injury. Be sure to wait until the eng ine has cooled.
 Place a thick ra g, like a towel, over the ra diator cap, an d then slowly ro-
tate the cap counterclockwise to the detent to allow any resi dual pres-
sure to escape. When the hissin g soun d has stopped , press down on the
cap while turnin g it counterclockwise, an d then remove the cap.
TIP
If coolant is not available, tap water can be temporarily used instead, provided
that it is changed to the recommended coolant as soon as possible.
W ait until the engine
has cooled.
Check the coolant
le vel in the reser voir
and radiator.Add coolant.
(See TIP.)
The coolant le vel is
OK.
There is no leakage.
There is leakage.
The coolant le vel is
lo w.
Check the cooling
system for leakage.
Ha ve a Yamaha
dealer check and
repair the cooling
system.
Start the engine. If the engine o verheats again,
ha ve a Yamaha dealer check and repair the cooling
system.
UB95E1E0.book Page 36 Tuesday, September 26, 2017 12:01 PM

Specifications
8-1
8
Dimensions:
Overall length:2230 mm (87.8 in)
Overall width:
750 mm (29.5 in)
Overall height: 1325/1455 mm (52.2/57.3 in)
Seat height: 805/825 mm (31.7/32.5 in)
Wheelbase:
1545 mm (60.8 in)
Ground clearance: 125 mm (4.92 in)
Minimum turning radius: 3.2 m (10.50 ft)
Wei ght:
Curb weight:
296 kg (653 lb)
Engine:
Combustion cycle:
4-stroke
Cooling system:
Liquid cooled
Valve train: DOHC
Cylinder arrangement: Inline
Number of cylinders:
4-cylinder
Displacement: 1298 cm³
Bore × stroke:
79.0 × 66.2 mm (3.11 × 2.61 in)
Compression ratio:
10.8 : 1
Starting system: Electric starter
Lubrication system: Wet sump
Engine oil:
Recommended brand:
YAMALUBE
SAE viscosity grades: 10W-40
Recommended engine oil grade:
API service SG type or higher, JASO
standard MA
Engine oil quantity:
Oil change:3.80 L (4.02 US qt, 3.34 Imp.qt) With oil filter removal:
4.00 L (4.23 US qt, 3.52 Imp.qt)
Final gear oil:
Type:
Yamaha genuine shaft drive gear oil SAE
80W-90 API GL-5
Quantity:
0.20 L (0.21 US qt, 0.18 Imp.qt)
Coolant quantity:
Coolant reservoir (up to the maximum level
mark):0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator (including all routes): 2.60 L (2.75 US qt, 2.29 Imp.qt)
Air filter:
Air filter element:
Dry element
Fuel:
Recommended fuel:Regular unleaded gasoline (Gasohol [E10]
acceptable)
Fuel tank capacity: 25 L (6.6 US gal, 5.5 Imp.gal)
Fuel reserve amount:
5.5 L (1.45 US gal, 1.21 Imp.gal)
Fuel injection:
Throttle body:ID mark: B881 00
Spark plu g(s):
Manufacturer/model:
NGK/CPR8EA-9
Spark plug gap: 0.8–0.9 mm (0.031–0.035 in)
Clutch:
Clutch type:
Wet, multiple-disc
Drivetrain:
Primary reduction ratio:1.563 (75/48)
Final drive:
Shaft
Secondary reduction ratio: 2.693 (34/36 x 21/27 x 33/9)
Transmission type: Constant mesh 6-speed
Gear ratio:
1st: 2.500 (35/14)
UB95E1E0.book Page 1 Tuesday, September 26, 2017 12:01 PM