Mercury Optimax 150 User Manual

DIRECT FUEL INJECTION
90-855347R1 JANUARY 1999 Page 3B-47
COMPRESSOR REMOVAL
1. Disconnect battery cables from battery terminals.
2. Remove top cowling.
IMPORTANT: Prior to removing flywheel cover, remove vent hose from fitting on
flywheel cover.
3. Remove flywheel cover.
4. Use 3/8 inch (9.5 mm) drive on belt tensioner arm to relieve belt tension. Remove belt.
b
a
56142
a
b
a-Belt Tensioner
b-3/8 in. (9.5 mm) drive
CAUTION
If engine has been recently run, air pressure outlet hose fittings may be extremely
hot. Allow components to cool off before beginning disassembly.
5. Disconnect air pressure outlet hose.

Mercury Optimax 150 Specifications

General

Horsepower	150 HP
Engine Type	V6
Alternator Output	60 amp / 756 watt
Starting	Electric
Steering	Remote
Displacement	2.5 L
Fuel Induction System	2-Stage Direct Fuel Injection (DFI)
Shaft Length	20", 25"
Dry Weight	431 lbs (20 in), 439 lbs (25 in)