Suzuki F6A Service Manual page 36

Condition
Poor starting
(hard starting)
34
Possible Cause
Starter will not run
1. Main fuse blown
2. Contact not closing in main switch, or this switch
open–circuited
3. Run–down battery
4. Defective magnetic switch to starter
5. Loose battery terminal connection
6. Defective brushes in starter
7. Loose battery cord connection
8. Open in field or armature circuit of starter
No Spark
1. Defective spark plug
2. Contact not closing positively in main switch,
or this switch open–circuited
3. Loose or blown fuse
4. Defective ignition coil
Faulty intake and exhaust systems
1. Fuel pump not discharging adequately
2. Clogged fuel filter
3. Loose intake manifold
4. Clogged fuel hose or pipe
5. Not enough fuel in the tank
6. Malfunctioning fuel cut solenoid valve
Abnormal engine internal condition
1. Ruptured cylinder head gasket
2. Improper valve clearance
3. Weakened or broken valve spring
4. Loose manifold, permitting air to be
drawn in
5. Worn pistons, rings or cylinders
Correction
Replace
Repair or replace
Recharge
Replace
Clean and retighten
Replace
Retighten
Repair or replace
Adjust gap, or replace
Repair or replace
Replace
Set right or replace
Replace
Replace
Clean, or replace
Retighten
Clean or replace
Refill
Check solenoid valve for
proper operation and
replace if necessary
Replace
Adjust
Replace
Retighten and, as necessary,
replace gasket
Replace worn rings and pis-
tons and rebore as necessary