Yamaha YZ65 2021 - Periodic Maintenance and Lubrication Chart

Periodic maintenance and adjustment
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EAU84193
Periodic maintenance and lubrication chart
The following chart is intended as a general guide to maintenance and lubrication.
Bear in mind that such factors as weather, terrain, geographical location, and in-
dividual usage will alter the required maintenance and lubrication intervals. If you
are in doubt as to what intervals to follow in maintaining and lubricating your mo-
torcycle, consult your Yamaha dealer.
TIP
Items marked with an asterisk should be performed by a Yamaha dealer as they
require special tools, data and technical skills.
NO. ITEM ROUTINE
After
break-in
Every
race
Every
third race
Every
fifth race
As
required
1 *
Piston
• Check piston for carbon deposits and
cracks or damage.

• Clean.
• Replace.

2 *
Piston rings
• Check piston ring end gap and rings
for damage.

• Replace.

3 *
Piston pin and small
end bearing
• Check piston pin and small end
bearing for damage.

• Replace.

4 *
Cylinder head
• Check cylinder head for carbon
deposits.

• Clean.
• Check cylinder head gasket for
damage.

• Tighten cylinder head bolts if
necessary.
• Replace cylinder head gasket.

5 *
Cylinder
6 *
YPVS
• Check cylinder for score marks or
wear.



• Clean.
• Replace.
• Check YPVS for carbon deposits and
cracks or damage.
• Clean.

UBR811E0.book Page 2 Thursday, March 21, 2019 10:27 AM