ENGINE STALLING
1. I mproper idling r/min.
SER II/Cl C I FORMA'J'I01
4-3
2. Compression leakage from cran kcase (oil seal, mating surface)
3.
Fou led or worn spark plug
4.
Lean fuel/a i r m ixtu re
•
C logged fuel hose
•
Clogged gasoline tan k cap
•
Clogged carbu retor jet
•
I ncorrect carburetor fuel level
•
A i r screw out of adjustment
NOT ENOUGH ENGINE POWER
1. Worn cylinder, piston or piston rings
2. Sticking piston ring
3. D efective spark plug gap
4.
Clogged carbu retor jet
5.
I ncorrect carburetor fuel level
6. Clogged air cleaner
7. Clogged exhaust muffler
8. Sl i pping clutch (see clutch slippage)
POOR ENGINE PER FORMANCE AT LOW-SPEED
1. Carbu retor adjustment
•
A i r screw adjustment
•
I dl ing r/min out of adjustment
•
I ncorrect fuel level
2. I gnition system
•
I mproperly timed ignition (improper stator mounting posit ion )
•
I ncorrect spark plug gap
3.
A i r cleaner element ripped or leaking
4. A i r i ntake th rough i nlet hose
5.
Damaged reed valve
POOR ENGINE PERFORMANCE AT HIGH -SPEED
1.
Clogged carbu retor jet
2. Defective jet needle clip piston
3. Clogged air cleaner element
4. I mproperly ti med ignition ( improper stator mounting position)
5.
Defective ignition coil
6.
I ncorrect spark plug gap
Summary of Contents for FZ50 1979
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Page 65: ...4 8 SER VICI re Ii FORMll no WIRE AND CABLE ROUTI NG WIRING ROUTING ...
Page 74: ...SUZUKI MOTOR 1CO LTD ...