Kymco Agility 50 - Service manual > Drive belt

REMOVAL

Remove the left crankcase cover.

INSPECTION

Check the drive belt for cracks, separation or abnormal or excessive wear.

Measure the drive belt width.

Service Limit: 16.5mm

REPLACEMENT

Remove the eight left crankcase cover bolts and left crankcase cover. Hold the clutch outer with an universal holder and remove the clutch outer nut.

Universal Holder

Hold the drive pulley using a holder and remove the drive face nut, starting ratchet and washer.

Remove the drive pulley face.

Remove the drive belt from the clutch/driven pulley.

INSTALLATION

Turn the driven pulley clockwise to widen the drive belt groove and lay a new drive belt on the driven pulley.

Set the drive belt on the drive pulley face collar.

Install the drive pulley face, starting ratchet washer. Install and tighten the drive face nut.

When installing, align the tooth space of the drive pulley face and starting ratchet with the crankshaft tooth and then tighten the nut.

DRIVE PULLEY

REMOVAL

Hold the drive pulley using a holder and remove the drive face nut, starting ratchet and washer.

Remove the drive pulley face.

DISASSEMBLY

Remove the movable drive face assembly and drive pulley collar from the crankshaft.

Remove the ramp plate.

Remove the weight rollers.

INSPECTION

Check each weight roller for wear or damage.

Measure each weight roller O.D.

Service Limit: 12.4mm replace if below

Check the drive pulley collar for wear or damage.

Measure the O.D. of the drive pulley collar sliding surface.

Service Limit: 19.97mm replace if below

INSTALLATION

Install the drive pulley collar and movable drive face onto the crankshaft.

Set the drive belt on the drive pulley collar.

Install the drive pulley face and tighten the drive face nut. Torque: 5.5~6.5kgf-m

Do not get oil or grease on the drive belt or pulley faces.

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