Suzuki Intruder 1978 - Page 76

Engine Problem (Continued)
Engine will not start -
fuel will not ignite.
Engine does not
idle or idle
RPM fluctuates.
Engine develops power loss or
runs on one cylinder.
Condition
1. Air leak between carbure-
tor, silencer seal or cylinder.
2. Carburetor adjusted in -
correctly.
3. Water in carburetor.
4. Engine is
flooded.
5. No compression (worn or
broken ri
ngs, scored piston,
hole
in piston or damaged
cylinder).
6. Blown head gasket.
1. Air screw adjusted in -
correctly.
2. Idle screw adjusted in-
correctly.
3. Defective fuel pump (check
valve).
4. Idle screw broken and em-
bedded in
main carburetor
body casti ng.
5.
Impulse line cracked,
kinked or broken.
6. Enrichener cab le adjusted
incorrectly.
7. Oil seals leaking.
8. Air leak (pressure
check engine).
9. Throttle slide valves
not synchronized.
1.
Fouled or defective spark
plug(s).
2. Obstruction inside of
muffler.
3. Defective CDI igni ter .
Remedy
1. Tighten mounting bolt and
nuts .
2.
Adjust the carburetor.
3.
Disassemble and clean
carburetor.
4.
Turn key switch OFF, re-
move spark
plugs and dry
them - crank engine over 5-10
times . Install spark plugs and
start engine . If engine con-
tinues to
flood, check
carburetor .
5. Check compression, re -
place worn or damaged parts.
6.
Replace head gasket.
1. Adjust air screw .
2.
Adjust idle screw .
3.
Service the fuel pump (check
valve).
4. Replace the idle screw and
the main carburetor body
casting.
5.
Replace or repair impulse
line.
6. Adjust enrichener cable.
7. Replace oil seals.
8. Disassemble and
replace worn, defective,
or damaged parts.
9.
Synchron i ze throttle
sl ide valves.
1. Replace the spark plug(s).
2. Remove obstruction or re-
place m uffler .
3. Replace CDI igniter .
TROUBLESHOOTING 3-3