Yamaha YZ250 2021 User Manual

INCLUDED PARTS
1-7
EAM20088
INCLUDED PARTS
EAM30372
SIDESTAND (for YZ250)
This sidestand “1” is used to support only the
machine when standing or transporting it.
WARNING
EWA20260
• Never apply additional force to the sides-
tand.
• Remove this sidestand before starting out.
EAM30005
NIPPLE WRENCH
The nipple wrench “1” is used to tighten the
spoke.
EAM30534
VALVE JOINT
This valve joint “1” prevents fuel from flowing out
and is installed to the fuel tank breather hose.
NOTICE
ECA27110
In this installation, make sure the arrow fac-
es the fuel tank and also downward.
EAM30535
SET PIN
This set pin “1” is used to remove and install the
push rod of the engine.
NOTICE
ECA27140
Be sure to use the set pin. If the set pin is not
used, the power valve constituent parts will
result in damage.

Yamaha YZ250 2021 Specifications

General

Engine Type	249cc liquid-cooled 2-stroke; reed-valve inducted
Bore x Stroke	66.4mm x 72.0mm
Compression Ratio	8.9~10.6:1
Ignition	CDI
Transmission	5-speed; multiplate wet clutch
Final Drive	Chain
Suspension Rear	KYB® single shock; fully adjustable, 12.4-in travel
Brakes Front	Hydraulic disc, 270mm
Tires Front	80/100-21
Tires Rear	110/90-19
Width	32.5 in
Height	50.8 in
Wheelbase	58.5 in
Ground Clearance	14.2 in
Fuel Capacity	2.1 gal
Wet Weight	227 lb
Fuel Delivery	Keihin PWK38S carburetor
Suspension Front	KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
Brakes Rear	Hydraulic disc, 245mm