Troubleshooting - Chassis - Suzuki DR350 Service Manual

SERVICING INFORMATION J.6
CHASSIS
Complaint
Symptom and possible causes
Remedy
Handling feels too 1. Steering slem nut overtightened. Adjust.
heavy . 2.
Worn roller bearing or race In sl eering stem.
Replace.
3. Distorted s teering s lem.
Replace .
4.
No t enough pressure in lires. Adjust.
Steering oscillat ion . 1. loss o f
balance
between right end
lell
suspensions . Adju st.
2. Bent front fork .
Repair or repetee.
3.
Bent front axle or crooked tire .
Replace .
4 .
Loose st eering stem nUl . Adjust.
5.
Worn or incorrect tires or wrong tite pressure. Adjust or rep/ace.
Wobbly front wheel. 1. OiSloned wheel.
Replace.
2.
Worn fr ont wheel bearings. Replace .
3.
Oef ective or incorrect t ire .
Replace .
4 .
Loose nul on axle .
Retighten.
5.
loose nuts on rear shock. Retighten.
6.
Worn swingarm bearings.
Replace.
Front suspension 1. Weaknend springs. Replace .
too soft.
2.
Not enoug h fork oil. Refill.
3.
W rong weight fork oil. Replace.
Front suspension 1. FOlk oil too viscous. Replace.
100 stiff.
2.
Too much fork oil. Drain excess oil.
3.
Front 8xle bent . Replace.
4.
Fork t ubes not adjust ed evenly in forks st em and Adjust.
steering st em head
Noisy f ronl 1. Not enough fork oil , Refill.
lUlpentlon .
2.
l oose nuts on suspension . Retighten.
Wobbly rear wheel.
1.
Distort ed wheel rim . Replace.
2.
Worn-down rear wheel bearings or swingarm bearings, Replace.
3. Defective or incorrec t t ire. Replace .
4.
Worn swingarm bearings. Replace.
5.
loosen nuts on rear suspention. Re t igh ten .
6.
loosen nut on axle. Retighten.
Rear suspension
1. Weakened spring .
Replace .
100 soft.
2.
Rear suspension adjuster improperl y set. Reset .
3.
Oil leakage o f rea r shock absorber . Replace.
Resr suspension 1. Rear suspension adjuster Im properl y set .
Ad just.
too stiff.
2.
Shock ebsorber shah bent.
Replece .
3.
Swlngarm bent . Replace.
4.
Worn swingsrm bearings.
Repl ace.
Noisy reer 1. loose nut on rear suspension , Retighten .
suspenskln .
2.
Worn swingarm bearings. Replatce.