Honda CRF450R 2007 Service Manual

CHARGING SYSTEM INSPECTION
CURRENT LEAKAGE INSPECTION
Remove the seat (page 3-3).
Disconnect the negative (-) cable fr om the battery.
Connect the amme t er (+) probe to the negative H
cable and amme t er H pr obe to the battery H te rmi-
nal.
Check for cu rr ent leakage.
NOTE :
When measuring c urrent using a tester , set it to a
high r ange, and then bring the range d own to an
appropriate level. Current flow higher than the
range selected may blow the fuse in the tester.
S PE CIFI ED CURRENT LEAKA GE : 0.1 rnA max.
If cu rr ent leakage exceeds the spec if ied value, a
shorted circ uit is likel y.
lo cate the short by disconnecting connectio ns one
by one and mea s uri ng the current.
CHARGING VOLTAGE INSPECTION
Be sure the battery is in good condition before per-
forming this test.
Warm up the engine to normal operating tempera-
tu
re.
Connect the multi meter between the battery posi-
tive (+1 and negative (-) terminals.
NOTE:
To prevent a s hort , make absolutely certain which
are the positive (+1 and negative (-) terminals or
cables.
Measure the voltage on the multi meter when the
engine runs at
5,000 rpm .
Standa rd :
Measu
re d BV < Measured CV < 15.5 V
• BV = Ba tt ery Vo lt age
• CV
= Charging Voltage
BATTERY/CHARGING SYSTEM
(-)CAB lE~_
17-7

Honda CRF450R 2007 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Transmission	5-speed
Final Drive	#520 chain; 13T/48T
Front Suspension	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	110/90-19
Wheelbase	58.3 inches
Seat Height	37.6 inches
Fuel Capacity	1.9 gallons
Induction	Keihin 40mm carburetor
Ignition	CDI
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment
Trail	4.6 inches