1
. GENERAL INFORMATION
1-36
MXU 500
ENGINE LACKS POWER
Clogged air cleaner
Restricted fuel flow
Clogged fuel tank cap breather hole
Clogged exhaust muffler
Carburetor fuel level too low
Faulty ignition unit
Faulty pulser coil
Improper valve clearance
adjustment
Excessively worn valve seat
(protruded valve stem)
Improper valve and seat contact
Worn cylinder and piston rings
Leaking cylinder head gasket
Improper valve timing
Clean and unclog
Fouled spark plug
Incorrect heat range plug
Oil level too high
Oil level too low
Oil not changed
Clogged oil line
Faulty oil pump
Coolant level too low
Worn cylinder and piston rings
Mixture too lean
Poor quality fuel
Excessive carbon build-up in
combustion chamber
Ignition timing too early
Excessive carbon build-up in
combustion chamber
Poor quality fuel
Clutch slipping
Mixture too lean
Ignition timing too early
Start engine and
accelerate lightly for
observation
Inspection/Adjustment
Symptom
Probable Cause
Engine speed
increases
Correct timing
Engine speed does not
increase sufficiently
Incorrect timing
Check ignition timing
(using a timing light)
Test cylinder compression
Check carburetor for
clogging
Rapidly accelerate or run
at high speed
Remove spark plug and
inspect
Check if engine overheats
Check valve clearance
Correct
Incorrect
Normal
compression
Abnormal
compression
Remove oil dipstick and
check oil level and condition
Remove cylinder head oil
pipe bolt and inspect
Engine overheats
Engine does not
overheats
Plug not fouled or
discolored
Plug fouled or
discolored
Correct and not
contaminated
Incorrect or
contaminated
Valve train lubricated
properly
Valve train not
lubricated properly
Engine does not knock
Engine knocks
Not clogged
Clogged
Содержание MXU 500
Страница 1: ...OWNER S MANUAL KWANG YANG MOTOR CO LTD MXU 500 ON ROAD Issued 01 31 2006...
Страница 2: ......
Страница 20: ...FRAME SERIAL NUMBER The frame serial number is stamped on the rear of the frame 1 Frame serial number 10 1...
Страница 21: ...ENGINE SERIAL NUMBER The engine serial number is stamped on the left crankcase 11 1 Engine serial number 1...
Страница 85: ...RIDING YOUR ATV 75...
Страница 138: ...1 Lower level mark Hand brake lever L 1 1 1 Lower level mark Foot brake pedal 2 Upper level mark Foot brake pedal 128 2...
Страница 166: ......
Страница 171: ...1 GENERAL INFORMATION 1 1 MXU 500 SERIAL NUMBER 1 Location of Engine Serial Number 1 Location of Frame Serial Number...
Страница 212: ...2 FRAME COVERS EXHAUST MUFFLER 2 1 MXU 500...
Страница 262: ...4 LUBRICATION SYSTEM 4 1 MXU 500 LUBRICATION SYSTEM DIAGRAM...
Страница 279: ...5 FUEL SYSTEM 5 1 MXU 500...
Страница 300: ...6 COOLING SYSTEM 6 1 MXU 500 SYSTEM FLOW PATTERN...
Страница 331: ...8 CYLINDER HEAD VALVES 8 1 MXU 500 SCHEMATIC DRAWING...
Страница 361: ...9 CYLINDER PISTON 9 1 MXU 500 SCHEMATIC DRAWING...
Страница 371: ...10 DRIVE PULLEY DRIVEN PULLEY CLUTCH 10 1 MXU 500 SCHEMATIC DRAWING...
Страница 398: ...11 FINAL REDUCTION TRANSMISSION SYSTEM 11 1 MXU 500...
Страница 427: ...12 LEFT CRANKCASE CRANKSHAFT BALANCE SHAFT 12 1 MXU 500...
Страница 434: ...13 DRIVE TRAIN 13 1 MXU 500 FRONT DRIVE REAR DRIVE...
Страница 457: ...13 DRIVE TRAIN 13 24 MXU 500 ASSEMBLY Before reassembly thoroughly clean all parts in cleaning solvent...
Страница 499: ...14 FRONT WHEEL FRONT SUSPENSION STEERING SYSTEM 14 1 MXU 500...
Страница 533: ...15 REAR WHEEL AXLE SHOCK ABSORBER SWING ARM 15 1 MXU 500...
Страница 553: ...16 BRAKE SYSTEM 16 1 MXU 500...
Страница 600: ...17 BATTERY CHARGING SYSTEM 17 1 MXU 500 CHARGING SYSTEM LAYOUT CHARGING CIRCUIT IC 12V 18AH BATTERY...
Страница 614: ...18 IGNITION SYSTEM 18 1 MXU 500 IGNITION SYSTEM LAYOUT...
Страница 615: ...18 IGNITION SYSTEM 18 2 MXU 500 IGNITION CIRCUIT ON ROAD OFF ROAD...
Страница 622: ...19 STARTER SYSTEM 19 1 MXU 500 STARTING SYSTEM LAYOUT...
Страница 623: ...19 STARTER SYSTEM 19 2 MXU 500 STARTING CIRCUIT ON ROAD OFF ROAD...
Страница 638: ...19 STARTER SYSTEM 19 17 MXU 500 Pull the rope and check that the ratchet is pushed out...
Страница 659: ...21 WIRING DIAGRAMS 21 0 MXU 500 21 21...
Страница 660: ...21 WIRING DIAGRAMS 21 1 MXU 500...
Страница 661: ...21 WIRING DIAGRAMS 21 0 MXU 500 21 21...
Страница 662: ...21 WIRING DIAGRAMS 21 1 MXU 500...