2003 YAMAHA GP800R Owners Manual

Page 57 of 118

YAMAHA GP800R 2003  Owners Manual 3-14
E
1. Launch the watercraft and start the
engine. (See page 3-15 for engine start-
ing procedures.) 
2. Run the engine at the lowest possible
speed for 5 minutes. 
3. Gradually open the throttle t

Page 58 of 118

YAMAHA GP800R 2003  Owners Manual 3-15
E
EJU01065 
Starting the engine  
WARNING@ Never start the engine or let it run for any
length of time in an enclosed area.
Exhaust fumes contain carbon monox-
ide, a colorless, odorless gas that

Page 59 of 118

YAMAHA GP800R 2003  Owners Manual 3-16
E
2. Turn the fuel cock knob to the “ON” posi-
tion. 
NOTE:@ Before starting the watercraft, after it has
been sitting, remove the fuel tank filler cap
to release any built-up pressure in the

Page 60 of 118

YAMAHA GP800R 2003  Owners Manual 3-17
E
5. While lightly squeezing the throttle lever,
push the start switch (green button). 
WARNING@ On this watercraft, the engine is con-
nected directly to the jet pump. Starting
the engine immedi

Page 61 of 118

YAMAHA GP800R 2003  Owners Manual 3-18
E
EJU01066 
Stopping the engine  
To stop the engine, release the throttle
lever, and then push the engine stop switch
(red button). 
WARNING@ You need throttle to steer. Shutting off
the engine

Page 62 of 118

YAMAHA GP800R 2003  Owners Manual 3-19
E
EJU01068 
Operating your watercraft 
EJU01069 
Getting to know your 
watercraft  
Operating your watercraft requires skills
acquired through practice over a period of
time. Take the time to lea

Page 63 of 118

YAMAHA GP800R 2003  Owners Manual 3-20
E
Wear protective clothing. Severe internal
injuries can occur if water is forced into body
cavities as result of falling into the water or
being near the jet thrust nozzle. Normal
swimwear does

Page 64 of 118

YAMAHA GP800R 2003  Owners Manual 3-21
E
EJU01837
Starting the watercraft 
WARNING@ Scan constantly for people, objects,
and other watercraft. Be alert for con-
ditions that limit your visibility or block
your vision of others. 
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