Crankcase Cover Installation - Mercury 150 EFI Service Manual

POWERHEAD
14. Verify that no piston rings were broken during installation by pressing in on each piston
ring thru exhaust port using a screwdriver. If no spring tension exists (ring fails to return
to position), it's likely the ring is broken and must be replaced.

Crankcase Cover Installation

1. Thoroughly remove all oil from mating surfaces of crankcase cover and cylinder block
with Loctite 7649 Primer.
2. Install gasket strips into grooves in crankcase cover. Trim end of each gasket strip flush
with edge of cover as shown.
Page 4A-62
a - Screwdriver
a
a - Gasket Strips
b - Edge of Cover
a
b
90-883728 JULY 2001
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