GENUINE Blur 150, Service Manual

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2.Weak acceleration:
air cleaner blocked
fuel supply system abnormal
fuel tank cover blocked
muffler blocked
fuel pump is malfunctioned
auto chock is malfunctioned
CDI unit is out of order
alternator flywheel magneto
out of order
cylinder, piston ring worn out
cylinder gasket leakage
cylinder body has sand hole
Reed valve malfunction(2T engine)
Clean the carburetor
clean the dirt
specification is not correct
Check and Adjust
Trouble condition
The reason
Start engine and open throttle
Gradually, check and inspect
Engine can rotate up
Engine can’t rotate
Up completely
Check ignition timing, check
With ignition timing lamp
Timing is correct
Timing is not correct
Check cylinder
Compression pressure
(use cylinder compression
pressure gauge)
Pressure is normal
Pressure is
Not normal
Check carburetor
Is blocked or not
No blocked blocked
Remove spark plug and Check it
No dirty and no color change Dirty, color change