technical data YAMAHA YZ85 2012 Owners Manual

PERIODIC MAINTENANCE AND ADJUSTMENT
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EAU41798
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 individual 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 motorcycle, consult your Yamaha dealer.TIP

From the seventh race, repeat the maintenance intervals starting from “Every race ”.


Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical
skills.
NO. ITEM ROUTINEAfter
break-in Every
race Every
third race Every
fifth race As
required
1 *Piston 
Check piston for carbon deposits and cracks or dam-
age.
 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.
 Replace cylinder head gasket.

Tighten cylinder head nuts if necessary. √
U1SN80E0.book Page 2 Thursday, June 9, 2011 11:24 AM