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Specifications for the Suzuki DR-Z400SM K5 - K7

Item Specification
Dimensions
Overall length 2,225 mm (87.6 in)
Overall width 870 mm (34.3 in)
Overall height 1,185 mm (46.7 in)
Wheelbase 1,460 mm (57.5 in)
Ground clearance 260 mm (10.2 in)
Seat height 890 mm (35.0 in)
Dry weight 134 kg (295 lb)

Engine
Type Four stroke liquid cooled DOHC single cylinder
Bore 90.0 mm (3.543 in)
Stroke 62.6 mm (2.465 in)
Displacement 398 cc (24.3 cu in)
Compression ratio 11.3 : 1
Carburetor Mikuni BSR36SS
Air filter Oiled polyurethane foam
Starter system Electric start
Lubrication system Dry sump

Transmission
Type 5 speed, constant mesh
Primary ratio 2.960 (74/25)
Final drive ratio 2.733 (41/15)
Gear ratio, 1st gear 2.285 (32/14)
Gear ratio, 2nd gear 1.733 (26/15)
Gear ratio, 3rd gear 1.375 (22/16)
Gear ratio, 4th gear 1.090 (24/22)
Gear ratio, 5th gear .863 (19/22)
Shift pattern 1 down, 4 up
Drive chain 520 X 112 links for K5
520 X 110 links for K6 - K7
Drive chain slack 40 - 50 mm (1.6 - 2.0 in)

Chassis
Front suspension Inverted telescopic forks
Rear suspension Single shock swing arm with linkage
Front wheel travel 260 mm (10.2 in)
Rear wheel travel 276 mm (10.9 in)
Caster (rake) 26° 15'
Trail 94 mm (3.70 in)
Turning radius 2.6 m (8.5 ft)
Front brake Hydraulic single disc
Rear brake Hydraulic single disc
Front tire size 120/70R17 tube type
Rear tire size 140/70R17 tube type

Electrical
Ignition system type DC-Capacitor Discharge Ignition (DC-CDI)
Ignition timing 7° BTDC @ 1,500 rpm
Spark plug NGK CR8E or Nippon Denso U24ESR-N
Spark plug gap .7 - .8 mm (.028 - .031 in)
Charging system type Three phase permanent magnet
Battery YT7B-BS
Charging voltage 13 - 15.5 VDC @ 4,000 rpm
Headlight 12 V 60/55 W
Tail/brake light 12 V 5/21 W
Turn signal 12 V 21 W
Fuse 20 amp blade type
Meter lights 12 V LED

Capacities
Fuel tank total 9.5 L (2.5 US gal)
Fuel tank reserve 2.3 L (.6 US gal)
Engine oil 1.7 L (1.8 US qt) oil change only
1.8 L (1.9 US qt) oil and filter change
1.9 L (2.0 US qt) after engine rebuild
Coolant 1.25 L (1.3 US qt)
 
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