Yamaha BEAR TRACKER YFM250XR Owner's Manual page 358

Model
Air filter:
Fuel:
Type
Tank capacity
Reserve amount
Carburetor:
Type / manufacturer
Spark plug:
Type / manufacturer
Gap
Clutch type:
Transmission:
Primary reduction system
Primary reduction ratio
Secondary reduction system
Secondary reduction ratio
Transmission type
Operation
Dry type element
For Europe: Regular unleaded gasoline only
For Australia: Unleaded gasoline only
12 L
1.6 L
BST34/1/MIKUNI
DR7EA / NGK
0.6–0.7 mm
Wet, centrifugal automatic
Spur gear
73/22 (3.318)
Shaft drive
19/18 × 46/11 (4.414)
Constant mesh, 5-speed forward, 1-speed reverse
Left foot operation
10-3
YFM250X