Yamaha Z250D Manuel d'entretien - Page 9

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6. Keep a supply of clean, lint-free cloths for

wiping up spills, etc.

Good working practices

Special service tools

Use the recommended special service tools

to protect parts from damage. Use the right

tool in the right manner—do not improvise.

Tightening torques

Follow the tightening torque specifications

provided throughout the manual. When tight-

ening nuts, bolts, and screws, tighten the

large sizes first, and tighten fasteners starting

in the center and moving outward.

Non-reusable parts

Always use new gaskets, seals, O-rings, cot-

ter pins, circlips, etc., when installing or

assembling parts.

60V3E11

Safety while working

1. Use compressed air to remove dust and

dirt during disassembly.

2. Apply engine oil to the contact surfaces

of moving parts before assembly.

3. Install bearings with the manufacture

identification mark in the direction indi-

cated in the installation procedure. In

addition, be sure to lubricate the bearings

liberally.

4. Apply a thin coat of water-resistant

grease to the lip and periphery of an oil

seal before installation.

5. Check that moving parts operate nor-

mally after assembly.

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