Yamaha TZ250M1 Owner's Service Manual page 255

YPVS SYSTEM
EC624000
COUPLERS AND LEADS CONNECTION
INSPECTION
1. Check:
• Couplers and leads connection
Rust/ Dust/ Looseness/Short-circuit ≥
Repair or replace.
EC642020
SERVOMOTOR OPERATION
1. Disconnect the fuel pump coupler to pre-
vent the fuel pump operating.
2. Inspect:
• Servomotor 1
Operative when the main switch is moved
to "RUN" ≥ OK
EC643001
SERVOMOTOR INSPECTION
1. Disconnect the YPVS cable from the servo-
motor.
%
2. Disconnect the servomotor lead.
3. Connect 12V battery to the servomotor
lead.
Battery (+) lead ≥
Battery (-) lead ≥
4. Inspect:
• Servomotor 1
Not operate ≥ Replace servomotor.
6-11
ELEC
≥ Black/Red lead 1 1
≥ Black/Brown lead 2 2