Suzuki drz 400 2007 User Manual

3-66 ENGINE
REED VALVE
Inspect the reed valve for carbon deposits. If carbon deposits
are found
in the reed valve, replace the reed valve with a new
one.
PAIR VALVE
Inspect that air flOWS through the PAIH (air supply) valve air inlet
port ® to the ai r outlet parts ®. If air does not flow out, replace
the PAIR (air supply) va lve with a new one.
• Connect the vacuum pump gauge to the vacuum port 01 the
PAl R valve as shown in the photograph.
• Apply negative pressure sluwly tu II", PAIR (air supply) valve
and inspect the air flow.
• If air does not Ilow out within the specified range, the PAIR
(air supply) valve is in normal condition.
• If the PAIR (air supply) valve does not function within the speci-
fied range, replace the PAIR (air supply) valve with a new
one.
a Negative pressure range:
J7.J - 60.0 kPa (280 - 450 mmHg)
am 09917-47010: Vacuum pump gauge
I A CAUTION I
Use a hand operated vacuum pump to prevent PAIR
(air supply) valve damage.
REMOUNTING
Remount the PAIR (air supply) valve assembly in the reverse
order of
removal.
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Suzuki drz 400 2007 Specifications

General

Year	2007
Manufacturer	Suzuki
Model	DR-Z400
Category	Dual-sport
Displacement	398 cc
Bore x Stroke	90.0 mm x 62.6 mm
Compression Ratio	11.3:1
Transmission	5-speed
Final Drive	Chain
Front Suspension	Telescopic, coil spring, oil damped
Front Brakes	Single disc
Rear Brakes	Single disc
Front Tire	80/100-21
Rear Tire	120/90-18
Seat Height	935 mm (36.8 in)
Fuel System	Mikuni BSR36 carburetor
Ignition	CDI
Rear Suspension	Link type, coil spring, oil damped
Ground Clearance	300 mm
Wheelbase	1, 485 mm
Fuel Capacity	10.0 L (2.6 US gal)
Engine Type	Single-cylinder, four-stroke