um UXPW125 - Drive Gear;Balancing Gear Service

UXPW 125 ENGINE SERVICE MANUAL AND EFI DIAGNOSTIC
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6.8. Drive gear – balancing gearshift arm (extraction and installation)
6.8.1. Balancing drive gear extraction
6.8.1.1. Dismantle locknut and washer of drive
gear
6.8.1.2. Take out drive gear.
6.8.1.3. Take out balancing gear
Note
Do not damage woodruff and
circumference of crankshaft when
removing drive gear and balancing
gear.
6.8.2. Drive gear and balancing drive gear
Assembly
6.8.2.1. Check woodruff key for looseness or,
abnormal wear. If the key is
damaged, replace it with a new one.
6.8.2.2. When assemble, align keyway of
balancing drive gear with woodruff
key on crankshaft, and with timing
mark on balancing drive gear.
6.8.2.3. Apply appropriate amount of engine
oil on balancing drive gear.