Suzuki DR650SE User Manual

7-1 SERVICING INFORMATION
TROUBLESHOOTING
ENGINE
Complaint
Symptom and possible causes
Engine
will not start,
Compression too low
or is hard to start.
1. Out of adjustment valve clearance.
2.
Worn valve guides or poor seating of valves.
3. Mistiming valves.
4. Excessively worn piston rings.
5.
Worn-down cylinder bores.
6.
Too slowly starter motor cranks.
7. Poor seating of spark plugs.
Plugs not sparking
1. Fouled spark plugs.
2.
Wet spark plugs.
3.
Defective ignition coil.
4.
Open or short in high-tension cords.
5.
Defective generator or CDI unit.
6.
Defective side stand switch or side stand relay.
No fuel reaching the carburetor
1. Clogged fuel tank cap.
2. Clogged
or defective fuel valve.
3. Defective carburetor needle valve.
4. Clogged fuel hose or vacuum hose.
5. Clogged fuel
filter.
Engine stalls easily.
1. Fouled spark plugs.
2.
Defective signal generator or CDI unit.
3. Clogged fuel hose.
4. Clogged jets in carburetor.
5. Out of adjustment valve clearance.
Noisy engine.
Excessive
valve chatter
1. Too large valve clearance.
2.
Weakened or broken valve springs.
3.
Worn down rocker arm or rocker arm shaft.
4. Worn and burnt camshaft journal.
Noise seems to come from piston
1. Worn down piston or cylinder.
2. Fouled with carbon combustion chamber.
3. Worn piston pins or piston pin bore.
4. Worn piston rings or ring grooves.
Noise seems to come from timing chain
1. Stretched chain.
2.
Worn sprocket.
3. Not working tension adjuster.
Noise seems to come from clutch
1. Worn splines of countershaft or hub.
2.
Worn· teeth of clutch plates.
3.
Distorted clutch plates, driven and drive.
4. Worn clutch release bearing.
5.
Weakened clutch dampers.
Remedy
Adjust.
Repair or replace.
Adjust.
Replace.
Replace
or rebore.
See electrical section.
Retighten.
Clean.
Clean and
dry.
Replace.
Replace.
Replace.
Replace.
Clean
or replace.
Clean
or replace.
Replace.
Clean
or replace.
Clean
or replace.
Clean.
Replace.
Clean.
Clean.
Adjust.
Adjust.
Replace.
Replace.
Replace.
Replace.
Clean.
Replace.
Replace.
Replace.
Replace.
Repair
or replace.
Replace.
Replace.
Replace.
Replace.
Replace
the primary
driven gear.

Suzuki DR650SE Specifications

General

Brand	Suzuki
Model	DR650SE
Category	Motorcycle
Language	English