Engine does not start (Start failure)
Check the gasoline in the tank
Yes
Oil warning lamp turns on when the recoil is pulled
None
warning lamp is on
Add gasoline
Check the oil level
Low
Add oil (up to the rated volume)
No
Fuel cock is in the ON position
Yes
Gasoline leaks when the carburetor drain is loosened
No Open the cock
No Clean, change
| Good |
Confirm of the oil sensor | |
E/g |
|
GND | Tester |
| |
Resistance
value≒0Ω
Change Oil sensor
Yes
the filter
No continuity
Check for
gasoline deterioration
Good
Remove the spark plug and check the electrode
Wet
| Deteriorated | Change |
| Change the Inverter unit | |||
|
|
| gasoline |
|
|
| |
| Dry |
|
|
|
|
|
|
|
| Blockage of the fuel passage or |
| ||||
|
|
|
| ||||
|
|
| jets of carburotor |
|
| ||
|
|
|
|
|
|
|
|
Attach the plug to the plug cap, and check for sparks by pulling the recoil starter
No or
poor sparks ・Check for dirty electrodes, or gap 
・Check the connection of coupler,
high tension cord and spark plug cap
Good Sparks
Check the compression at the spark plug hole by pulling recoil starter
Poor compression
Valve clearance adjustment
– 56 –
