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Zedder Enterprises Zedder Enterprises

78 KZ400-B1


Kawasaki Part Cross Reference Software contains information for this bike.
Need photo Model Identification
Color 1- Candy Persimmon Red 2- Candy Emerald Green
Frame number Range K4-077801 - 097813
Engine number range K4E118001 - 138024, 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 36 at 8500 rpm
Maximum torque 3.3 kg-m at 7000 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 6-speed,constant mesh, return shift Cylinder Material Aluminum alloy with ferrous sleeve
Shift Pattern (bottom Up) 1-N-2-3-4-5-6 (w/neutral finder) Fuel Min 91 Research/87 average oct, unleaded OK
Gear ratios 1st 2.54 (33/13) Tuning Specifications
2nd 1.75 (28/16) Engine
3rd 1.32 (25/19) Cylinder Head Torque Head Nuts In sequence 1- 2.0 kg/m 2- 4.0 kg/m
4th 1.10 (23/21) Cover Bolts 3- 8Ø: 2.5 kg/m 4- 6Ø: 1.0 kg/m 5- Warm up 6- Retorque cold
5th 0.96 (22/23) Valve Clearance Cold Intake 0.17 - 0.22 mm
6th 0.88 (21/24) Exhaust 0.17 - 0.22 mm
Primary Ratio 2.43 (56/23) Valve Adjustment Method Rocker arm screw
Final Ratio 3.00 (45/15) Compression Pressure 11.0 kg/cm² STD 7.7 kg/cm² service limit
Overall Ratio (Top Gear) 6.39 Spark Plug NGK B7ES or ND W22ES-U 0.7 - 0.8 mm gap
Chassis Point Gap 0.35 ± 0.05 mm
Wheelbase 1365 mm Ignition Timing Idle 10° BTDC ("F" mark) at 1,100 rpm
Seat Height 795 mm Full 35° BTDC (in double marks) at 3,200 rpm
Ground Clearance 135 mm Pilot Screw 1¼ (Seek highest RPM - install limiter with rib toward front)
Dry Weight 168 kg Idle Speed 1100 ± 100 rpm
Max Recommended Load 155 kg Engine Oil SE Class SAE 10W40, 10W50, 20W40, 20W50
Fuel Tank Capacity 14.0 liters - w/filter change 2.9 liter
Tire Size Front 3.00S-18 4PR Tube-Type - no filter change 2.5 liter
Rear 3.50S-18 4PR Tube-Type - Level On center stand, wait 5 min, middle of window.
Brake Type Front Single hydraulic disc - Pressure (Hot) More than 2.0 kg/cm² at 4,000 RPM, 90°C
Rear Mechanical Drum (Leading/Trailing) Chassis
Brake Size Front 230 mm effective diameter Fork Oil SAE 5W20
Rear 160 X 30 mm - Capacity 150cc dry
Suspension Stroke Front 150 mm - Level 417 ± 4 (Fork extended, spring installed)
Rear 95 mm Tire Pressure (cold) Front 1.75 kg/cm²
  Rear (normal) 2.00 kg/cm² (0 - 97.5 kg)
Rear (heavy) 2.50 kg/cm² (97.5 - 155 kg)
Chain Slack 25 - 30 mm (on center stand, tightest point, STDs)

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