13.4 LOSS POWER
RAISE WHEELS OFF GROUND DOES NOT SPIN FREELY
AND SPIN BY HAND
SPIN FREELY
PESSURE LOW CHECK TIRE
POSSIBLE REASON
★
Brake dragging
★
Drive chain too tight
★
Damaged wheel bearing
★
Wheel bearing needs lubrication
★
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
OVERHEATING
FOULED OR DISCOLOED
O.K.
O.K.
N.G.
ENGINE SPEED INCREASE
ENGINE SPEED DOES
NOT INCREASE
ACCELERATE OR RUN
AT HIGH SPEED
CHECK FOR ENGINE
OVERHEATING
CHECK SPARK PLUG
TEST CYLINDER COMPRESSION
CLOGGED
O.K.
TOO LOW
O.K.
CHECK CARBURETOR
CHECK IGNITION TIMING
CHECK TIRE PRESSURE
PRESSURE NORMAL
ACCELERATE LIGHTY
O.K.
KNOCKS
59
Summary of Contents for ATV BXL 100
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