Honda CRF250R User Manual

Tires & Tubes
Servicing Your Honda 117
The tires that came on your CRF were designed to
provide a good combination of handling, braking,
durability, and comfort across a broad range of
riding conditions.
• W
hen replacing, use the original equipment
tires or equivalent tires of the same size,
construction, speed rating, and load range as
the original.
• Replace the tube any time you replace a tire.
The old tube will probably be stretched and, if
installed in a new tire, could fail.
Tire Replacement
WARNING
Installing improper tires on your
motorcycle can affect handling and
stability. This can cause a crash in which
you can be seriously hurt or killed.
Always use the size and type of tires
recommended in this owner’s manual.
Front
80/100-21 51M
DUNLOP MX52F
Rear
100/90-19 57M
DUNLOP MX52
Type bias-ply, tube

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)