Yamaha NEO'S YN50 Service Manual download pdf (Page 82)

MOT

ASSEMBLY AND ADJUSTMENT OF ENGINE

4-31

SECONDARY PULLEY WHEEL

When assembling the secondary pulley

wheel, reverse the disassembly procedure.

Remember the following points:

1. Apply:

• Assembly grease

(in the sliding/fixed pulley wheel)

2. Install:

• Sliding pulley wheel 

NOTE:

Take care that the lips of the oil seals do not

turn when the pulley wheel is installed.

3. Apply:

• Assembly grease

(on the torsion cam grooves and o-rings)

4. Check:

• Sliding pulley wheel.

Faulty operation



Repair.

5. Install:

• Clutch positioning bolt

Use the clutch spring compressor 

6. Tighten:

• Clutch positioning nut

Use the pulley wheel clamp 

Spanner (41 MM).

Clutch spring compressor

90890-01337

Pulley wheel clamp

90890-01701

5.0 m • kg

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Markus Ruckdeschel 17 Aug 2025 | 15:29:57

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Yamaha NEO'S YN50 Service Manual Page 82