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Zedder Enterprises Zedder Enterprises

78 KZ400-C1


Kawasaki Part Cross Reference Software contains information for this bike.
Need photo Model Identification
Color Luminous Copper
Frame number range K4S-24701 - 28165
Engine number range K4SE033701 - 037169, found on LH top, below carburetor.
Cylinder Mark 398cc found on front center, below tensioner
Engine
Engine Type 4 stroke, 2 - cylinder, SOHC, air cooled, counter balancer
Displacement 398cc
Bore X Stroke 64.0 X 62.0 mm
Compression Ratio 9.5:1
Maximum HP 34.5 at 8500 rpm
Maximum torque 3.21 kg-m at 7500 rpm
Carburetor Keihin CV32 (2), constant velocity, diaphragm type
Ignition System 12 Battery & coil, contact breaker
Ignition Advance Mechanical (centrifugal)
Transmission Crankshaft Rotation Counterclockwise from ignition (RH) side
Clutch Type Wet, multi-disc, Manual Firing Interval 360
Transmission 5-speed,constant mesh, return shift Cylinder Material Aluminum alloy with ferrous sleeve
Shift Pattern (bottom Up) 1-N-2-3-4-5 (w/neutral finder) Fuel Min 91 Research/87 average oct, unleaded OK
Gear ratios 1st 2.57 (36/14) Tuning Specifications
2nd 1.68 (32/19) Engine
3rd 1.27 (28/22) Cylinder Head Torque Head Nuts In sequence 1- 2.0 kg/m 2- 4.0 kg/m
4th 1.04 (26/25) Cover Bolts 3- 8: 2.5 kg/m 4- 6: 1.0 kg/m 5- Warm up 6- Retorque cold
5th 0.89 (24/27) Valve Clearance Cold Intake 0.17 - 0.22 mm
Primary Ratio 2.43 (56/23) Exhaust 0.17 - 0.22 mm
Final Ratio 3.00 (45/15) Valve Adjustment Method Rocker arm screw
Overall Ratio (Top Gear) 6.49 Compression Pressure 11.0 kg/cm STD 7.7 kg/cm service limit
Chassis Spark Plug NGK B7ES or ND W22ES-U 0.7 - 0.8 mm gap
Wheelbase 1365 mm Point Gap (Dwell) 0.35 0.05 mm
Seat Height 800 mm Ignition Timing Idle 15 BTDC ("F" mark) at 1,100 rpm
Ground Clearance 160 mm Full 35 BTDC (in double marks) at 3,200 rpm
Dry Weight 155 kg Pilot Screw (turns out) 1 (Seek highest rpm - install limiter with rib toward front)
Max Recom Load 155 kg Idle Speed Lowest stable rpm (usually 1100 100 rpm)
Fuel Tank Capacity 14.0 liter Engine Oil SE Class SAE 10W40, 10W50, 20W40, 20W50
Tire Size Front 3.00S-18 4PR Tube-Type - w/filter change 2.9 liter
Rear 3.50-18 4PR Tube-Type - no filter change 2.5 liter
Brake Type Front Mechanical Drum (Two Leading) - Level On center stand, wait 5 min, middle of window.
Rear Mechanical Drum (Leading/Trailing) - Pressure More than 2.0 kg/cm at 4,000 rpm, 90 C
Brake Size Front 180 X 30 mm Chassis
Rear 160 X 30 mm Fork Oil SAE 5W20
Suspension Stroke Front 150 mm - Capacity 150cc dry approx 125 cc oil change
Rear 95 mm - Level 417 4 (Fork extended, spring installed)
  Tire Pressure (cold) Front 1.75 kg/cm
Rear (normal) 2.00 kg/cm (0 - 97.5 kg)
Rear (heavy) 2.50 kg/cm (97.5 - 155 kg)
Drive Chain Slack 20 - 25 mm (on center stand, tightest point, STD)

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