Honda CRF250R 2006 User Manual

64 Servicing Your Honda
12.Remove the engine hanger nuts (3) and engine
hanger plates (4).
(3) engine hanger nuts
(4) engine hanger plates
(4)
(3)
Piston/Piston Rings/Piston Pin
Cylinder Head Removal
1. Clean the area above the engine before
disassembly to prevent dirt falling into the
engine.
2. Drain the engine oil (page 37).
3. Drain the radiator coolant after cooling the
motorcycle (page 42).
4. Remove the seat and fuel tank (page 30).
5. Remove the subframe (page 32).
6. Remove the carburetor (page 119).
7. Remove the exhaust pipe (page 90).
8. Disconnect the spark plug (page 55).
9. Remove the cylinder head cover (page 56).
10. Position the piston at top dead center on the
compression stroke (page 56).
Remove the camshaft (page 58).
11. Loosen the water hose clamp (1) and
disconnect the water hose (2).
(1) water hose clamp
(2) water hose
(2)
(1)

Honda CRF250R 2006 Specifications

General

Engine Type	Liquid-cooled single-cylinder four-stroke
Displacement	249 cc
Bore x Stroke	78.0mm x 52.2mm
Compression Ratio	12.9:1
Transmission	5-speed
Ignition	CDI
Final Drive	Chain
Front Suspension	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Front Brake	Single 240 mm disc with twin-piston caliper
Rear Brake	Single 240 mm disc
Front Tire	80/100-21
Rear Tire	100/90-19
Wheelbase	58.5 inches
Seat Height	37.6 inches
Fuel Capacity	1.9 gallons
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustability separated into low-speed (13 positions) and high-speed (3.5 turns)
Fuel System	Carburetion: Keihin FCR 40 mm flat-slide carburetor with throttle position sensor (TPS)