Yamaha TZ250M1 Owner's Service Manual page 261

FUEL PUMP SYSTEM
EC624000
COUPLERS AND LEADS CONNECTION
INSPECTION
1. Check:
• Couplers and leads connection
Rust/ Dust/ Looseness/Short-circuit ≥
Repair or replace.
EC672000
FUEL PUMP STOP SWITCH INSPECTION
1. Remove:
• Fuel pump stop switch 1
2. Inspect:
%
• Fuel pump stop switch conduct
To inspect, tilt the fuel pump stop switch to
the right and left.
Tester (+) lead ≥
Tester (-) lead ≥
u
Tilted 90˚
Normal
Continuous if normal ≥ Replace.
Not continuous if tilted 90˚ ≥ Replace.
EC673000
FUEL PUMP RELAY INSPECTION
1. Remove:
• Fuel pump relay 1
6-17
ELEC
≥ Black lead 1 1
≥ Black lead 2 2
B B Tester selector
1 1 2 2
position
Ω X X 1