Cooling System - Yamaha RS Venture RST90Y Owner's Manual

Tightening torque:
Oil filter cartridge:
17 Nm (1.7 m·kgf, 12 ft·lbf)
13. Install the engine oil drain bolts, and then
tighten them to the specified torques.
Tightening torques:
Engine oil drain bolt (crankcase):
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Engine oil drain bolt (oil tank):
16 Nm (1.6 m·kgf, 11 ft·lbf)
14. 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.
15. Start the engine, warm it up for several
minutes, and then turn it off.
16. Add sufficient oil of the recommended
type to raise it to the "H" level mark on the
dipstick. (See above for the checking pro-
cedure.) NOTICE: When adding the en-
gine oil, be careful not to fill above the
"H" level mark on the dipstick. Use
only the recommended oil. (See page
72.) Make sure that no foreign material
enters the engine oil tank.
Periodic maintenance and adjustment
[ECS00462]
Recommended engine oil:
See page 72.
Oil quantity:
With oil filter cartridge replacement:
3.0 L (3.17 US qt, 2.64 Imp.qt)
Without oil filter cartridge replacement:
2.8 L (2.96 US qt, 2.46 Imp.qt)
Total amount:
3.7 L (3.91 US qt, 3.26 Imp.qt)
17. 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.
18. 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.
[ECS00471]
19. Install the bottom panel and the right side
cover, and then close the shroud.
ESU12002

Cooling system

The coolant level should be checked before
each ride. In addition, the cooling system
must be bled of air at the intervals specified in
the periodic maintenance and lubrication
chart.
EWS00380
WARNING
Do not remove the coolant reservoir cap
when the engine is hot. Scalding hot fluid
and steam may be blown out under pres-
sure, which could cause serious injury.
47