2015 YAMAHA XJ6-N cooling

FOR YOUR SAFETY – PRE-OPERATION CHECKS
4-1
4
EAU15598
Inspect your vehicle each time you use it to make sure the vehicle is in safe operating 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 damag e.
Do not operate the vehicle if you fin d any pro blem. 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 dealer.Before using this vehicle, check the following points:
ITEM CHECKS PAGE
Fuel • Check fuel level in fuel tank.
• Refuel if necessary.
• Check fuel line for leakage.
• Check fuel tank breather hose and overflow hose for obstructions, cracks or
damage, and check hose connections. 3-16, 3-17
En gine oil • Check oil level in engine.
• If necessary, add recommended oil to specified level.
• Check vehicle for oil leakage. 6-10
Coolant • Check coolant level in reservoir.
• If necessary, add recommended coolant to specified level.
• Check cooling system for leakage. 6-13
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, 6-24
UB61E0E0.book Page 1 Tuesday, July 15, 2014 10:27 AM

PERIODIC MAINTENANCE AND ADJUSTMENT
6-15
66. Remove the coolant reservoir cov-
er and coolant reservoir by remov-
ing the bolts. 7. Drain the coolant from the coolant
reservoir by turning it upside
down.
8. Remove the coolant drain bolt and its gasket to drain the cooling sys-
tem.
9. After the coolant is completely drained, thoroughly flush the cool-
ing system with clean tap water.
10. Install the coolant drain bolt and its new gasket, and then tighten
the bolt to the specified torque. 11. Install the coolant reservoir and its
cover by placing them in the origi-
nal position, and then installing the
bolts.
12. Pour the specified amount of the recommended coolant into the ra-
diator and reservoir.
13. Install the radiator cap.
14. Install the coolant reservoir cap.
15. Start the engine, let it idle for sev- eral minutes, and then turn it off.
16. Remove the radiator cap to check the coolant level in the radiator. If
necessary, add sufficient coolant
until it reaches the top of the radi-
1. Coolant reservoir cap
2. Coolant reservoir breather hose
3. Guide
1. Bolt
2. Coolant reservoir cover
3. Coolant reservoir
3
1
2
23
1
1. Coolant drain bolt
2. GasketTi
ghtenin g torque:
Coolant drain bolt: 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
2
1
Antifreeze/water mixture ratio:
1:1
Recommen ded antifreeze:
High-quality ethylene glycol anti-
freeze containing corrosion inhibi-
tors for aluminum engines
Coolant quantity:
Radiator (including all routes):2.00 L (2.11 US qt, 1.76 Imp.qt)
Coolant reservoir (up to the maxi-
mum level mark): 0.25 L (0.26 US qt, 0.22 Imp.qt)
UB61E0E0.book Page 15 Tuesday, July 15, 2014 10:27 AM

PERIODIC MAINTENANCE AND ADJUSTMENT
6-16
6
ator, and then install the radiator
cap, radiator cap retainer and ra-
diator cap retaining bolt.
17. Check the coolant level in the res- ervoir. If necessary, remove the
coolant reservoir cap, add coolant
to the maximum level mark, and
then install the cap.
18. Route the coolant reservoir breather hose through the guide
as shown. 19. Start the engine, and then check
the vehicle for coolant leakage. If
coolant is leaking, have a Yamaha
dealer check the cooling system.
20. Install the cowling and the panel.
EAU34426
Replacin g the air filter ele-
mentThe air filter element should be re-
placed at the intervals specified in the
periodic maintenance and lubrication
chart. Replace the air filter element
more frequently if you are riding in un-
usually wet or dusty areas.
1. Remove the seat. (See page 3-18.)
2. Remove the fuel tank bolts, and then lift the fuel tank away from
the air filter case.
3. Remove the air filter case cover by removing the screws. NOTICE:
When removin g the air filter
1. Radiator cap
2. Radiator cap retaining bolt
3. Radiator cap retainer
2
1
3
1. Coolant reservoir breather hose
2. Guide
2
1
1. Fuel tank bolt
1
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-47
6En
gine overheatin g
WARNING
EWA10401
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 be
b lown out un der pressure, which coul d cause serious injury. Be sure to wait until the en gine has coole d.
 After removin g the ra diator cap retainin g b olt, place a thick ra g, like a towel, over the rad iator cap, and then
slowly rotate the cap counterclockwise to the d etent to allow any residual pressure to escape. When the hiss-
in g soun d has stoppe d, press d own on the cap while turnin g it counterclockwise, an d then remove the cap.TIPIf coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended cool-
ant as soon as possible.
Wait until the
engine has cooled.
Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer checkand repair the cooling system.Add coolant. (See TIP.)
Start the engine. If the engine overheats again,
have a
Yamaha dealer check
and repair the cooling system.
There is
leakage.
There is
no leakage.
UB61E0E0.book Page 47 Tuesday, July 15, 2014 10:27 AM