Engines And Transmissions; Engines - Hunter 50CC Operation Manual

The following is a list of components associated with
your engines and transmissions.
• Engine
• Controls
• Engine Monitoring
• Engine Cooling
• Emergency Equipment
• Engine Exhaust
• Transmission (s)
• Shifters and Controls

11.1 Engines

The engine on your boat is at the heart of your boat.
Proper attention to and maintenance of your engine
will assure you many hours of pleasurable, safe
boating, and will prevent unnecessary engine prob-
lems. You must, therefore, become thoroughly famil-
iar with all aspects of the engines proper operation
outlined in the manufacturers Operator's Manuals.
A general maintenance program consists of proper lubri-
cation, cleaning of fuel filters, fuel lines, and air filters.
SYSTEMS SCHEMATIC FOR STERN DRIVE ENGINE
ENGINE
WATER INTAKE
EXHAUST
FUEL SYSTEM
FEED
RETURN
TANK
FILTER
VALVE @ TANK
RUNNING GEAR
SHAFT
COUPLING
DRIPLESS
CONTROLS
SHIFT
THROTTLE
PANEL HARNESS
ELECTRICAL
SYSTEM
BATT SW STARTING BATTERY
HOUSE BATTERY
OPT. INVERTER
12V SYSTEM
110V SYSTEM
SEE PLAN ABOVE FOR PROP SHAFT & STUFFING BOX
Fig. 11.2
Hunter 50
CC
SEE ELEVATION BELOW FOR CABLES TO PEDESTAL
THRU-HULL
SEA COCK
RETURN FUEL LINE
STRAINER
ELBOW
HOSE
MUFFLER
MUFFLER
INSTUMT. PANEL WIRE HARNESS
CONTROL
ENGINE STOP CABLE
CABLES TO
(FLEX SHUT OFF)
PEDESTAL
THROTTLE CABLE
SHIFT CABLE
SHORE POWER
FUEL RETURN
TO
FUEL
TANK
FUEL FEED W/FILTER
MUFFLER
ELEVATION

• Engines and Transmissions

Take proper care when washing down, or clean-
ing your engines, that water does not enter the air
intakes. Water in the air intakes may go directly to
the cylinders, resulting in rust and possibly internal
shows you propulsion unit and components
aboard your boat.
COMPARTMENT ENCLOSURE
FUEL FEED & FILTER
STUFFING BOX/SHAFT
RAW WATER FEED
PLAN
ENGINE ENCLOSURE
RAW WTR.FEED W/STRAINER
HULL BOTTOM
NOTE: THIS DWG. IS GENERIC SCHEMATIC FORM
11.2
CAUT I ON
!
engine damage.
COOLANT
RESV.
ENGINE
BATTERY
HOSES TO
WATER HTR.
STARTING SYSTEM
COOLANT
RESV.
A.C.
PANEL
INV.PANEL
ENGINE
BATTERY
HEAT EXCHANGE
BLEEDER VALVE
HOSES TO
HOUSE SYSTEM
WAT.HTR.
!
BATT. SWITCH
DC
PANEL
SHORE PWR
TO
APPLIANCES
OPT.
BATT. CHGR.
/ INVTR.