technical data YAMAHA YZ85 2007 Owners Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
6-2
6
EAU41794
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.NOTE:

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 technicalskills.
NO. ITEM ROUTINEAfter
break-inEvery
raceEvery
third raceEvery
fifth raceAs
required
1
*PistonCheck piston for carbon deposits and cracks or dam-
age.
Clean.√
√ √
Replace.
√ √
2*
Piston ringsCheck piston ring end gap and rings for damage.√
Replace.
3*Piston pin and small
end bearingCheck piston pin and small end bearing for damage.√√√
Replace.√
√ 4*Cylinder headCheck cylinder head for carbon deposits.
Clean.√
√ √
Check cylinder head gasket for damage.
Replace cylinder head gasket. Tighten cylinder head bolts if necessary.√
U5PA85E0.book Page 2 Thursday, April 13, 2006 3:06 PM