Yamaha YZF-R1 98 Service Manual page 94

CHANGING THE ENGINE OIL
15.Check:
• engine oil pressure
a. Slightly loosen the oil gallery bolt 1.
b. Start the engine and keep it idling
c. Check the engine oil passages, the oil
d. Start the engine after solving the
e. Tighten the oil gallery bolt to specifi-
3 - 27
until engine oil starts to seep from the
oil gallery bolt. If no engine oil com es
out after one m inute, turn the engine
off so that it w ill not seize.
filter cartridge and the oil pum p for
dam age or leakage. Refer to " OIL
PAN AND OIL PUM P" in chapter 4.
problem (-s) and check the engine oil
pressure again.
cation.
Oil gallery bolt
20 Nm (2.0 m • kg)
CHK
ADJ