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REGULAR INSPECTION AND ADJUSTMENTS

MAINTENANCE INTERVALS

• The following schedule is intended as a general guide to maintenance and lubrication. Bear in mind that such factors as
weather, terrain, geographical location, and individual usage will alter the required maintenance and lubrication intervals.
If you are a doubt as to what intervals to follow in maintaining and lubricating your machine, consult your Yamaha dealer.
• Periodic inspection is essential in making full use of the machine performance. The service life of the parts varies sub-
stantially according to the environment in which the machine runs (e.g., rain, dirt, etc.). Therefore, earlier inspection is
required by reference to the list below..
Item
ENGINE OIL
Replace
VALVES
Check the valve clearances
Inspect
Replace
VALVE SPRINGS
Inspect
Replace
VALVE LIFTERS
Inspect
Replace
CAMSHAFTS
Inspect
Replace
CAMSHAFT SPROCKETS
Inspect
Replace
PISTON
Inspect
Clean
Replace
PISTON RING
Inspect
Replace
PISTON PIN
Inspect
Replace
Every
Every
Every
third
After
race
(about
(about
break-
(about
in
2.5
7.5
hours)
hours)
hours)
3-1
MAINTENANCE INTERVALS
fifth
As re-
quired
12.5
The engine must be cold.
Check the valve seats and valve
stems for wear.
Check the free length and the tilt.
Check for scratches and wear.
Inspect the camshaft surface.
Inspect the decompression system.
Check for wear on the teeth and for
damage.
Inspect crack.
Inspect carbon deposits and eliminate
them.
Replace the piston, piston pin, piston
pin clip, and piston ring all as a set.
Check ring end gap.
Replace the piston, piston pin, piston
pin clip, and piston ring all as a set.
Replace the piston, piston pin, piston
pin clip, and piston ring all as a set.
Remarks
3

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  • Rob Apr 28, 2017 08:33:
    Thank you for the manuals. Yzf450 braap!