Cooling System - Yamaha VK PROFESSIONAL-II 2016 Owner's Manual

Tightening torque:
Oil filter cartridge:
17 N·m (1.7 kgf·m, 12 lb·ft)
14. Install the engine oil drain bolts and their
new gasket, and then tighten the bolts to
the specified torques.
Tightening torques:
Engine oil drain bolt (crankcase):
10 N·m (1.0 kgf·m, 7.2 lb·ft)
Engine oil drain bolt (oil tank):
16 N·m (1.6 kgf·m, 12 lb·ft)
15. Add 2.0 L (2.11 US qt, 1.76 Imp.qt) of the
recommended engine oil to the oil tank,
and then install and tighten the oil filler
cap and the cylinder head cap.
16. Start the engine, warm it up for several
minutes, and then turn it off.
17. Remove the oil filler cap, and then add
sufficient oil of the recommended type to
raise it to the "H" level mark on the dip-
stick. (See above for the checking proce-
dure.) NOTICE: When adding the
engine oil, be careful not to fill above
the "H" level mark on the dipstick. Use
only the recommended oil. (See page
80.) Make sure that no foreign material
enters the engine oil tank.
1. "H" level mark
2. "L" level mark
Periodic maintenance and adjustment
[ECS00463]
Recommended engine oil:
See page 80.
Oil quantity:
With oil filter cartridge replacement:
3.3 L (3.49 US qt, 2.90 Imp.qt)
Without oil filter cartridge replace-
ment:
3.1 L (3.28 US qt, 2.73 Imp.qt)
Total amount:
4.0 L (4.23 US qt, 3.52 Imp.qt)
18. Install and tighten the oil filler cap.
19. Start the engine, and then let it idle for
several minutes while checking it for oil
leakage. If oil is leaking, immediately turn
the engine off and make sure that the en-
gine oil drain bolt, oil tank drain bolt, cyl-
inder head cap, and the oil filler cap are
installed correctly.
20. Turn the engine off, and then connect the
oil level gauge coupler. NOTICE: If oil is
leaking or the oil level warning indica-
tor comes on when the engine is run-
ning, immediately turn the engine off
and have a Yamaha dealer check the
snowmobile. Continuing to operate
the engine under such conditions
could cause severe engine damage.
[ECS00472]
21. Install the bottom panel and the right
side cover, and then close the shroud.
ESU12026

Cooling system

The coolant level should be checked before
each ride. In addition, the cooling system
must be bled at the intervals specified in the
periodic maintenance and lubrication chart.
EWS00391
WARNING
Do not remove the radiator cap when the
engine is hot. Scalding hot fluid and steam
may be blown out under pressure, which
could cause serious injury.
53