TROUBLESHOOTING
8-3
Excessive noise from engine
—
Worn camshaft lobe
Replace the camshaft.
Water or foreign material in fuel,
degraded fuel
Change fuel.
Contaminated throttle body or
clogged internal passage
Clean the throttle body.
Incorrectly adjusted throttle cable
Adjust the throttle grip free play.
Incorrectly adjusted idling speed
(idle screw)
Adjust the idle screw.
Incorrect throttle position sensor
angle
Adjust the throttle position sensor
angle.
Incorrect acceleration position
sensor angle
Adjust the acceleration position
sensor angle.
Faulty ECU
Replace the ECU.
Clogged vacuum hose
Clean the vacuum hose.
Cracks and damage in vacuum
hose
Replace the vacuum hose.
Damaged throttle body joint
Replace the throttle body joint.
Loose throttle body joint
Tighten the throttle body joint bolts
to the specified torque.
Clogged air filter element
Clean or replace the air filter ele-
ment.
Incorrect oil level (high)
Adjust the oil level to the specified
level.
Symptom
Possible cause
Actions
Noise heard from around cylinder
head
Incorrect valve clearance (too
wide)
Adjust the valve clearance.
Fatigued or broken valve spring
Replace the valve spring.
Worn or damaged camshaft lobe
Replace the camshaft.
Worn or damaged valve lifter
Replace the valve lifter and cylin-
der head as a set.
Worn or damaged camshaft jour-
nal
Replace the camshaft.
Worn or damaged cylinder head
(camshaft journal)
Replace the cylinder head.
Noise heard from around timing
chain
Worn or damaged timing chain
Replace the timing chain, cam-
shaft sprocket, camshaft, and tim-
ing chain tensioner as a set.
Worn or damaged camshaft
sprocket
Replace the timing chain, cam-
shaft sprocket, camshaft, and tim-
ing chain tensioner as a set.
Worn or damaged timing chain
guide
Replace the timing chain guide.
Cracked, damaged, or faulty tim-
ing chain tensioner
Replace the timing chain ten-
sioner.
Symptom
Possible cause
Actions
Содержание WR250F 2023
Страница 8: ......
Страница 15: ...LOCATION OF IMPORTANT LABELS 1 5...
Страница 16: ...LOCATION OF IMPORTANT LABELS 1 6 AUS NZL ZAF EUR...
Страница 56: ...TIGHTENING TORQUES 2 15...
Страница 90: ...ELECTRICAL SYSTEM 3 32...
Страница 94: ...GENERAL CHASSIS 4 2 a Projection b Slot c Rib side cover d Rib rear fender a a a 1 1 c c b b d d...
Страница 135: ...1 2 3 4 5 6 7 8 9 10 FUEL SYSTEM FUEL TANK 6 1 REMOVING THE FUEL TANK 6 1 INSTALLING THE FUEL TANK 6 1...
Страница 138: ...FUEL TANK 6 3...
Страница 146: ...ELECTRICAL COMPONENTS 7 7...
Страница 160: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 8 13...
Страница 170: ...CHASSIS 9 9...
Страница 172: ...PRINTED IN JAPAN E...