BOMBARDIER Johnson 90 Service Manual page 59

PERIODIC MAINTENANCE
OIL PRESSURE
4. lnstall oil pressure gauge in place of pressure switch
hole.
1gg; _ 1
5000902: Oil pressure gauge
350930: Oil pressure gauge adapter
5. Attach engine tachometer to ignition coil high tension
cord.
h' i xih
Engine tachometer
6. Start engine and allow to warm up as follows:
Summer: 5 min. at 2000 rpm
Winter: 1 O
min.
at 2000 rpm
7. After warming up, shift into torward gear and íncrease
engine speed to 3000 rpm then compare pressure indi­
cated on gauge to specifications.
8. After testing, reinstall oíl pressure switch. (See page 3-
50)
9. Reinstall air duct.
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