Yamaha TZ250M1 Owner's Service Manual page 28

CONTROL FUNCTIONS
EC15a000
FUEL PUMP STOP SWITCH, FUEL PUMP
RELAY
The fuel pump stop switch 1 and fuel pump
relay 2 are provided so as to control the fuel
pump and prevent the carburetor overflowing
during a turnover.
If the machine is turned over, the fuel pump
stop switch is turned "ON" which allow electric
current to flow in the coil 3 inside the relay,
causing the relay switch 4 to turn "OFF" and
shutting of the electric current flow to the fuel
pump 5. Thus, the pump comes to a stop.
Fuel pump
q
stop switch 1 relay switch 4
During run OFF
During
turnover
NOTE:
• When the machine is picked up from turnover,
the fuel pump is restored to an operation con-
dition.
• Install the fuel pump stop switch so that
"UPPER" mark a faces upward.
EC15M011
CATCH TANK
Put the tip of the breather hose into the catch
tank 1 and frame 2. Take care not to allow
the fuel, oil and cooling water to spill on the
course.
3 Radiator breather hose
4 Fuel tank breather hose
5 Transmission oil breather hose
NOTE:
When putting in the transmission oil breather
hose, its tip having a cut a should be on the
frame side.
1-13
GEN
INFO
Fuel pump
Fuel pump 5
ON
ON OFF OFF
ON