Honda CRF450R 2012 Service Manual

MAINTENANCE
Include r he master Remove the excess drive chain links from a new
Imt wflen you drive chain with the drive chain tool se t.
count Ihe drive
ctJ4in links STANDARD LINKS : 114 LINKS
REPLACEMENT C
HAIN : DI0520MXV
) ID
, LINK
• Never reuse the old dr ive c ha in, master li nk , ~============ == ====
master link plate and D-rings. Q·RINGS PLATE
Insert r he master Assemble the new master link, O-rings and plate.
link from t he inside
of the drive cham.
and Ins/all the pleTe
with rhe
ICIemlflCBllOfI mart
fBCing The OUTSide .
Assemble and set the drive chain tool se t.
TOOL :
Drive chain tool se t 07HMH ·MR10103 or
07HMH ·MR101OC
(U.S.A. only)
DRIVE CH AIN TOOL SET
Make sure that the master l ink pins are installed ;::=== = =============~
properly.
MASTER LINK PI NS
Measure the master link pin length projected from
the plate .
STANDARD LENGTH:
1.15 -1 .55 mm 10 .045 - 0. 061 in)
Stake the master link pins .
4-26
•

Honda CRF450R 2012 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	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Ignition	CDI
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
Seat Height	37.6 inches
Ground Clearance	13.2 inches
Front Suspension	12.2 inches travel
Rear Suspension	Pro-Link Showa single shock with spring preload, rebound and compression damping adjustability; 12.4 inches travel
Rake	27° 04'
Trail	4.6 inches
Wheelbase	58.3 inches
Curb Weight	249 pounds