KYMCO BET & WIN 50 Manual page 27

1
. GENERAL INFORMATION
ENGINE LACKS POWER
Inspection/Adjustment
Start engine and
accelerate lightly for
observation.
Check ignition timing
(using a timing light).
Test cylinder
compression (using a
compression gauge)
Check carburetor for
clogging
Remove spark plug
and
inspect
Check if engine
overheats
1-25
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Symptom
Engine speed does
Engine speed
not increase
increases
sufficiently
Correct timing Incorrect timing
Normal
compression
Not Clogged
Plug not fouled or
Plug fouled or
discolored
discolored








Abnormal

compression


Clogged


BET & WIN 50
Probable Cause
Clogged air cleaner
Clogged fuel filter
Clogged exhaust
muffler
Faulty auto bystarter
Faulty charcoal canister
Faulty CDI unit
Faulty A.C. generator
Worn cylinder and
piston rings
Blown cylinder head
gasket
Faulty reed valve
Clogged carburetor jets
Fouled spark plug
Incorrect heat range
plug