Honda CRF450R 2013 User Manual

Subframe
(cont’d)
Servicing Your Honda 37
Subframe
Refer to Important Safety Precautions on page23.
Removal
1. Remove the seat (page 33).
2. Remove the right and left mufflers (page 100).
3. Remove the rear fender mounting bolts (1) and
slightly pull the rear fender (2) backward.
4. Remove the air cleaner box (3) from the
subframe (4).
5. Remove the air cleaner mounting bolts (5) and
unhook the fuel tank band (6).
6. Remove the subframe lower bolts (7) and
subframe upper bolts (8).
Remove the subframe (9).
Installation
1. Loosely attach the upper and lower end of the
subframe to the main frame and loosely install
all subframe bolts.
2. Align the subframe with the rear wheel and
tighten the subframe upper bolts (1) and
subframe lower bolts (2) to the specified
torque:
subframe upper bolts:
24 lbf·ft (32 N·m, 3.3 kgf·m)
subframe lower bolts:
36 lbf·ft (49 N·m, 5.0 kgf·m)
(1) rear fender mounting bolts
(2) rear fender
(3) air cleaner box (4) subframe
(1)
(2)
(4)
(4)
(3)
(5) air cleaner mounting bolts
(6) fuel tank band
(7) subframe lower bolts
(8) subframe upper bolts
(9) subframe
(6)
(5)
(8)
(8)
(9)
(9)
(7)
(7)
Left side:
Right side:
(1) subframe upper bolts
(2) subframe lower bolts
(1)
(1)
(2)
(2)
Left side: Right side:

Honda CRF450R 2013 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.5:1
Induction	PGM-FI, 46mm throttle body
Transmission	Close-ratio five-speed
Final Drive	#520 Chain; 13T/48T
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-19
Wheelbase	58.7 inches
Seat Height	37.6 inches
Fuel Capacity	1.7 gallons
Ground Clearance	13.0 inches
Front Suspension	48mm inverted Kayaba PSF (Pneumatic Spring Fork) with air-adjustable spring rate, rebound and compression damping adjustability; 12.2 inches travel
Rear Suspension	Pro-Link single shock with adjustable spring preload, rebound and compression damping adjustability; 12.4 inches travel
Trail	4.6 inches