Page 1
6. ENGINE REMOVAL/INSTALLATION
6-0
MX’er 50
6
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ENGINE REMOVAL/INSTALLATION
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SERVICE INFORMATION -------------------------------------------- 6- 1
ENGINE REMOVAL --------------------------------------------------- 6- 2
ENGINE INSTALLATION -------------------------------------------- 6- 4
6
Page 2
6. ENGINE REMOVAL/INSTALLATION
6-1
MX’er 50
SERVICE INFORMATION
GENERAL INSTRUCTIONS
• A floor jack or other adjustable support is required to support and maneuver the engine. Be
careful not to damage the machine body, cables and wires during engine removal.
• Use shop towels to protect the motorcycle body during engine removal.
• Parts requiring engine removal for servicing:
æ Crankcase
æ Crankshaft
Page 3
6. ENGINE REMOVAL/INSTALLATION
6-2
MX’er 50
ENGINE REMOVAL
Remove the two bolts attaching the air
cleaner case.
Loosen the band between the air cleaner and
carburetor to remove the air cleaner case.
Remove the carburetor cap.
Disconnect the auto bystarter, A.C.
generator and starter motor wire connectors.
Remove the spark plug cap.
Bolts
Band
Starter Motor
Wire Connector
A.C.Generator Wire Connector
Carburetor Cap
Auto Bystarter
Wire Connector
Page 4
6. ENGINE REMOVAL/INSTALLATION
6-3
MX’er 50
Disconnect the oil pump control cable from
the pump body.
Disconnect the oil inlet line from the oil
pump.
Remove the two carburetor lock nuts.
Remove the carburetor.
Remove the rear drive chain gear on the
bolts.
Remove the drive chain gear.
Remove the two nuts attaching the exhaust
muffler.
Remove the two nuts attaching the exhaust
pipe.
Remove the exhaust muffler lock bolts.
Remove the exhaust muffler and exhaust
pipe. (!2-5)
Oil Inlet Line
Control Cable
Nuts
Nuts
Bolts
Drive Chain Gear
Carburetor Lock Nuts
After the oil inlet line is disconnected,
plug the oil line opening to prevent oil
from flowing out.
°Ø
Page 5
6. ENGINE REMOVAL/INSTALLATION
6-4
MX’er 50
ENGINE REMOVAL
Remove the engine any connector thing.
Remove the engine back bracket bolt, nut
and collar.
Remove the engine front right bracket bolt
and nut.
Remove the engine front left bracket bolt
and nut.
ENGINE INSTALLATION
Install the engine and tighten the engine
mounting bolts.
Torque: 3.5_ 4.5kgf-m
Install the removed parts in the reverse
order of removal.
Bolt
Bolt
Nut
Route the wires and cables properly.
°Ø
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