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Specifications
of the CRF50F and XR50R |
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 |
CRF50F |
XR50R |
Engine
Type |
49cc
air-cooled single cylinder four-stroke |
49cc
air-cooled single-cylinder four-stroke |
Bore
and Stroke |
39.0mm
x 41.4mm |
39.0mm
x 41.4mm |
Compression
Ratio |
10.0
: 1 |
10.0
: 1 |
Valve
Train |
SOHC;
two-valve |
SOHC;
two-valve |
Carburetion |
13mm
piston-valve |
13mm
piston-valve |
Ignition |
CDI |
CDI |
Transmission |
Three-speed
with automatic clutch |
Three-speed
with automatic clutch |
Final
Drive |
#420
chain; 14T/37T |
#420
chain; 14T/37T |
Front
Suspension |
Inverted
telescopic fork; 3.5-inch travel |
Inverted
telescopic fork; 3.8-inch travel |
Rear
Suspension |
Single-shock;
3.5-inch travel |
Single-shock;
2.8-inch travel |
Front
Brake |
Drum |
Drum |
Rear
Brake |
Drum |
Drum |
Front
Tire |
2.50-10 |
2.50-10 |
Rear
Tire |
2.50-10 |
2.50-10 |
Wheelbase |
36.0
inches |
36.0
inches |
Seat
Height |
21.6
inches |
21.7
inches |
Ground
Clearance |
5.8
inches |
5.9
inches |
Dry
Weight |
104.0
pounds |
104.0
pounds |
Fuel
Capacity |
0.8
gallons, including 0.2-gallon reserve |
0.8
gallons, including 0.2-gallon reserve |