Honda CRF250R User Manual

44 Servicing Your Honda
Fuel System
Empty the fuel tank into an approved gasoline
container using a commercially available hand
siphon or an equivalent method.
Be careful not to damage the fuel pump while
draining the fuel in the fuel tank.
Removal
1. Relieve the fuel pressure (page 41).
2. Disconnect the fuel line from the fuel pump
(page 41).
3. Remove the fuel tank (1) by releasing the
stopper cable (2) from the hook (3) of the frame.
4. Disconnect the fuel pump connector B (4).
5. Remove the fuel pump mounting bolts (5),
stopper cable guide (6), stopper cable (2),
washers (7), collars (8), conical spring washers
(9) and fuel pump plate (10).
6. Remove the fuel pump unit (11) and O-rings
(12).
Be careful not to damage the fuel pump unit.
7. Disconnect the fuel pump wire terminals (13)
from the fuel pump base (14).
Be careful not to damage the wires when
disconnecting the fuel pump wire terminals.
Fuel Pump Filter Replacement
WARNING
Gasoline is highly flammable and
explosive. You can be burned or seriously
injured when handling fuel.
• Stop the engine and keep heat, sparks
and flame away.
• Handle fuel only outdoors.
• Wipe up spills immediately.
(1) fuel tank (3) frame hook
(2) stopper cable
(1)
(3)
(2)
(2) stopper cable
(4) fuel pump connector B
(5) fuel pump mounting bolts
(6) stopper cable guide
(7) washers
(8) collars
(9) conical spring washers
(10) fuel pump plate
(2)
(6)
(5)
(7)
(8)
(9)
(10)
(4)
(11) fuel pump unit (12) O-rings
(13) fuel pump wire terminals
(14) fuel pump base
(12)
(11)
(13)
(14)

Honda CRF250R Specifications

General

Engine Type	Liquid-cooled single-cylinder four-stroke
Displacement	249cc
Bore x Stroke	79.0mm x 50.9mm
Compression Ratio	13.9:1
Starter	Electric
Transmission	Close-ratio 5-speed
Final Drive	Chain
Front Brake	Single 260mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	100/90-19
Wheelbase	58.3 inches
Seat Height	37.8 inches
Ground Clearance	13.1 inches
Fuel Capacity	1.7 gallons
Valve Train	Unicam OHC, four-valve
Induction	Programmed Fuel Injection (PGM-FI)
Throttle Bore	44mm
Ignition	Full transistorized ignition
Front Suspension	49mm inverted Showa coil-spring fork with rebound and compression damping adjustability; 12.2 inches travel
Rear Suspension	Pro-Link Showa single shock with adjustable spring preload, rebound and compression damping; 12.4 inches travel
Rake	27.2°
Trail	115mm (4.5 inches)