Sym Quad Lander 600 - Page 21

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1. GENERAL INFORMATION
G. Loss power
Check and adjustment Fault condition Probable causes
Raise wheels off ground and
spin by hand
 Brake dragging
 Drive chain too tight
 Damaged wheel bearing
 Wheel bearing needs lubrication
Spin freely
A
bnormal
 Punctured tire
 Faulty tire valve
 Fuel / air mixture ratio too rich or lean
 Clogged in air cleaner
 Clogged in muffler
 Restricted fuel flow
 Clogged fuel tank cap breather hole
 Faulty pulse generator
 Faulty CDI unit
 Leaking head gasket
 Worn cylinder and piston rings
 Clean
 Clean the spark plug
 Spark plug is incorrect heat range
 Excessive carbon deposited in
combustion chamber
 Wrong type of fuel
 Fuel / air mixture ratio is lean
 Use of poor quality fuel
 Worn piston and cylinder
 Fuel / air mixture ratio is lean
 Wrong type of fuel
 Ignition timing too advanced
 Excessive carbon deposited in
combustion chamber
Check tire pressure
Normal
A
bnormal
A
ccelerate lightly, engine speed
can be increase
Normal
A
bnormal
Check ignition timing
Normal
A
bnormal
Test cylinder compression
Normal
A
bnormal
Check carburetor
Normal Clogged
Check spark plug
Normal Fouled or discolored
Check for engine overheating
Normal Overheating
A
ccelerate or run at high speed
Knocks Normal
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