Yamaha Vector RS90RX, Owner'S Manual

Page: 56 / 90

Periodic maintenance
50
13. Install the engine oil drain bolts, and then
tighten them to the specified torques.
14. Add 1.5 L (1.6 US qt) (1.3 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.)
CAUTION:
ECS00461
●
When adding the engine oil, be careful
not to fill above the “H” level mark on the
dipstick.
●
Use only 4-stroke engine oil.
●
Make sure that no foreign material en-
ters the engine oil tank.
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 bolts, the cylinder head cap,
and the oil filler cap are installed correct-
ly.
18. Turn the engine off, and then connect the
oil level gauge coupler.
CAUTION:
ECS00470
If oil is leaking or the oil level warning indi-
cator comes on when the engine is run-
ning, immediately turn the engine off and
have a Yamaha dealer check the snowmo-
bile. Continuing to operate the engine un-
der such conditions could cause severe
engine damage.
19. Install the bottom panel and the right low-
er cover.
20. Install the top cover, the right side cover,
and the shroud.
ESU12940
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.
Tightening torque:
Oil filter cartridge:
17 Nm (1.7 m·kgf, 12 ft·lb)
Tightening torques:
Engine oil drain bolt (crankcase):
10 Nm (1.0 m·kgf, 7.2 ft·lb)
Engine oil drain bolt (oil tank):
16 Nm (1.6 m·kgf, 11 ft·lb)
Recommended engine oil:
See page 74.
Oil quantity:
With oil filter cartridge replacement:
2.5 L (2.64 US qt) (2.20 Imp.qt)
Without oil filter cartridge replacement:
2.3 L (2.43 US qt) (2.02 Imp.qt)
Total amount:
3.2 L (3.38 US qt) (2.82 Imp.qt)
U8GM10E0.book Page 50 Friday, April 27, 2007 6:43 PM