Yamaha YZ250 2022 User Manual

SOLENOID VALVE SYSTEM
8-3
EAM20196
SOLENOID VALVE SYSTEM
EAM30581
TROUBLESHOOTING
If the solenoid valve will not operate, use the following inspection steps.
TIP
Before troubleshooting, remove the following part(s):
1. Seat
2. Fuel tank
Use 12 V battery in this inspection.
1. Check each couplers and wire con-
nection.
NG
Reconnect.
OK
2. Check solenoid valve. (Check sole-
noid valve operation. Solenoid
valve coil)
Refer to “CHECKING THE SOLE-
NOID VALVE OPERATION” on
page 8-10 and “CHECKING THE
SOLENOID VALVE COIL” on page
8-10.
NG
Replace the solenoid valve.
OK
3. Check CDI magneto. (Source coil)
Refer to “CHECKING THE
SOURCE COIL” on page 8-9.
NG
Replace the source coil.
OK
Replace the CDI unit.

Yamaha YZ250 2022 Specifications

General

Engine Type	249cc liquid-cooled 2-stroke; reed-valve inducted
Bore x Stroke	66.4mm x 72.0mm
Compression Ratio	8.9~10.6:1
Ignition	CDI
Transmission	5-speed; multiplate wet clutch
Final Drive	Chain
Suspension Rear	KYB® single shock; fully adjustable, 12.4-in travel
Brakes Front	Hydraulic disc, 270mm
Tires Front	80/100-21
Tires Rear	110/90-19
Seat Height	38.2 in
Wheelbase	58.5 in
Ground Clearance	14.2 in
Fuel Capacity	2.1 gal
Wet Weight	227 lb
Suspension Front	KYB® inverted fork; fully adjustable, 11.8-in travel
Brakes Rear	Hydraulic disc, 245mm