
E
TROUBLE ANALYSIS
TRBL
ANLS
TROUBLE ANALYSIS
NOTE:
The following items should be checked before the "Trouble analysis" chart is consulted.
1.The battery is charged and its specified gravity is within specification.
2.There are no incorrect wiring connections.
3.Wiring connections are properly secured and are not rusty.
4.The lanyard is attached to the engine stop switch.
5.The shift position is in neutral.
6.Fuel is reaching the carburetor.
7.The rigging and engine settings are correct.
8.The engine is free from any "Hull problem".
TROUBLE ANALYSIS CHART
9-1
ENGINE WILL NOT START
ROUGH IDLING
ENGINE STALLS
ENGINE WILL NOT STOP
POOR PERFORMANCE
OVERHEATING
LOOSE STEERING
HARD SHIFTING
Trouble mode
Check elements
Relative part
Reference
Chapter
FUEL SYSTEM
4
4
4
4
Fuel hose
4
4
4
Fuel joint
4
4
4
4
Fuel filter
4
4
4
Fuel pump
4
4
4
4
Carburetor
3
4
4
4
8
Idle speed
*3
3
3
4
4
4
4
4
4
4
4
4
4
4
8
Pilot screw*
8
Pilot jet
Throttle cable
POWER UNIT
3
4
4
4
4
Spark plug
3
4
4
4
Compression
3
4
Valve clearance
3
4
4
4
T.C.I. air gap
5
4
4
4
Intake and exhaust valves
5
4
4
4
Intake and exhaust valve seat
5
Cylinder head gasket
5
4
4
4
4
Piston rings
5
4
4
4
4
Piston
5
Thermostat
5
Water passage
*Except for USA
Содержание F4
Страница 106: ...E FUEL PUMP FUEL 4 7 SERVICE POINTS Fuel pump inspection 1 Inspect 9Diaphragm Damage Replace ...
Страница 296: ...E TRBL ANLS CHAPTER 9 TROUBLE ANALYSIS TROUBLE ANALYSIS 9 1 TROUBLE ANALYSIS CHART 9 1 ...
Страница 306: ......
Страница 307: ...Printed in JAPAN February 1998 2 09 1 n 67D 28197 Z8 C1 F4AMH Printed on recycled paper YAMAHA MOTOR CO LTD ...