Check each carburetor hole and main
→clogged
Disassemble and clean
Check the air intake paper gasket and
the sealing of heat-insulation block of
→abnormal
Tighten the nuts securely, replace the
gasket or heat-insulation block
Test the cylinder compression
→abnormal
1. Check the valve clearance
2. Check combustion chamber for excess
carbon
3. Check the piston, piston ring and
cylinder for wear and damage.
Perform the throttle control system
f. Engine stops after starting (the smart throttle is in proper position)
Check the engine oil level and check if
oil level alarm activates when rotation
→oil level
alarm
Add oil and restart the engine
Check the fuel in fuel tank
Add fuel and restart the engine
Check for operation of fuel switch and
→clogged
Clean the fuel switch and filter
Check for blockage of fuel hoses
Clean or replace the hoses
Turn the ignition switch to ON position,
check the timing relay for output
→ has
Replace the timing relay
Check each carburetor hole and main
→clogged
Disassemble and clean
Check the intake gasket and the sealing
of carburetor heat-insulation block
→abnormal
Tighten the nuts securely, replace the
gasket or heat-insulation block
Measure the cylinder compression →abnormal
1. Check the valve clearance
2. Check if too much carbon in burning
room
3. Check the piston, piston ring and
cylinder for wear and damage.