2016 YAMAHA YZ250F maintenance

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Page 6 of 356

YAMAHA YZ250F 2016  Owners Manual EAS1SM9003
INTRODUCTION
Congratulations on your purchase of a Yamaha YZ series. This model is the culmination of Yamaha’s 
vast experience in the production of pacesetting racing machines. It repres

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YAMAHA YZ250F 2016  Owners Manual STARTING AND BREAK-IN.......................................................................... 1-20
FUEL ..............................................................................................

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YAMAHA YZ250F 2016  Owners Manual STARTING AND BREAK-IN
1-21
7. To stop the engine, push the engine stop 
switch “1”.
TIP
Continue pushing the engine stop switch till the 
engine comes to a full stop.
EAS1SM9042STARTING A WARM ENG

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YAMAHA YZ250F 2016  Owners Manual MAINTENANCE AFTER BREAK-IN
1-22
EAS1SM9044
MAINTENANCE AFTER BREAK-IN
After a break-in, perform careful maintenance 
to get ready for the next practice or race.
Refer to “PRE-OPERATION INSPECTION 
A

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YAMAHA YZ250F 2016  Owners Manual 3
PERIODIC CHECKS AND ADJUSTMENTS
MAINTENANCE INTERVALS.......................................................................... 3-1
MAINTENANCE INTERVALS ............................................

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YAMAHA YZ250F 2016  Owners Manual MAINTENANCE INTERVALS
3-1
EAS1SM9063
MAINTENANCE INTERVALS
EAS1SM9064MAINTENANCE INTERVALSECA@
NOTICE
• After a break-in or before each race, always check the points shown in “TORQUE-CHECK 
POINTS

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YAMAHA YZ250F 2016  Owners Manual MAINTENANCE INTERVALS
3-2
PISTON RING
Inspect Check the end gap of the pis-
ton ring.
Replace Replace the piston, piston pin, 
piston pin clip, and piston ring 
all as a set.
PISTON PIN
Inspect
Replac

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YAMAHA YZ250F 2016  Owners Manual MAINTENANCE INTERVALS
3-3
NUT (ROTOR)
Retighten Check for tightening torques.
EXHAUST PIPE, SI-
LENCER, PROTEC-
TOR
Inspect and re-
tightenCheck for exhaust leaks, and 
tightening torques.
Clean
Repla
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