Suzuki drz 400 2007 User Manual

SPARK PLUG
Inspect every 6 000 km (4 000 miles , 6 months) .
Replace
every 12 000 km (7 500 miles, 12 months) .
• Remove the fuel tank. (c::::r 4-2)
• Disconnect the spark plug cap and remove the spark plug .
. ----
COld type
Standard
Hot type
NGK CR9E CR8E
CR7E
'DENSO
I- U27ESR-N
U24ESR-N U22ESR
-N
CARBON DEPOSITS
Check to see if there are carbon deposits on the spark plug. If
carbon is deposited, remove it using a spark plug cleaner ma-
chine or carefully use a tool with a pointed end.
SPARK PLUG GAP
Measure the spark
plug gap using a thickness gauge. If the spark
pl ug gap IS out Of speCi fication, ad lu st me gap.
~ Spark plug gap
Standard: 0.7 - 0.8 mm (0.028 - 0.031 in)
Gil 09900-20803: Thickness gauge
ELECTRODE
Check the condition of the electrode.
If the t?1e-ctrnde is extremely worn or burnt , replace the spark
plug with a new one.
Also, replace the spark
plug if it has a broken insulator, dam-
aged threads, etc .
~ CAUTION
Check the thread size and reach when replacing the
spark plug , If the reach is too short , carbon will be de-
posited on the screw portion of the spark plug hole
and engine damage may result .
PERIODIC MAINTENANCE 2-9
IT--.::= =-..i 0.7 - 0.8 mm
'---' ._- ' (0.028 - 0.031 in)
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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