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74 G4TR-D 100


Kawasaki Part Cross Reference Software contains information for this bike.
Need photo Model Identification
Color Candytone Super Red
Frame serial # G4-070001 - 082999
Engine serial # G4E064001 - 077299 found on LH top crankcase below air intake duct.
Cylinder Mark 99CC found on LH side
Engine
Engine Type 2 stroke, single cylinder, rotary disc valve, air cooled.
Displacement 99cc
Bore X Stroke 49.5 X 51.8 mm
Compression Ratio 7.0:1
Maximum HP 11 at 7500 rpm
Maximum torque 1.1 kg-m at 7000 rpm
Carburetor Mikuni VM19SC
Lubrication System Superlube (port injection)
Transmission Ignition System Flywheel magneto
Clutch Type Wet, multi-disc, Manual Ignition Advance Fixed
Transmission 5-speed, constant mesh, return shift (with 2-speed sub transmission, quick change by handlebar lever) Crankshaft Rotation Counterclockwise from ignition (LH) side
Shift Pattern N-1-2-3-4-5 bottom up Cylinder Material Aluminum alloy with ferrous sleeve
Gear ratios High Range Low Range Fuel Min 91 Research/87 avg oct, unleaded OK
  1st 2.92 (35/12) 4.96 Oil 2-stroke oil for air cooled engines
2nd 1.76 (30/17) 3.00 Tuning Specifications
3rd 1.30 (26/20) 2.21 Engine
4th 1.09 (24/22) 1.86 Cylinder Head Torque Nuts Cross-tighten: 2.2 kg-m
5th 0.96 (23/24) 1.63 Compression Pressure 9.8 kg/cm² STD 6.9 kg/cm² service limit
Primary Ratio 3.52 (74/21) Spark Plug NGK B7HS 0.6 - 0.7 mm gap
Sub transmission Ratios 1.00 1.70 (22/24 x 26/14) Ignition Timing 20° BTDC (1.96mm) - Remove cap, Flywheel mark aligns with crankcase mark at 12 o'clock position
Final Ratio 2.80 (42/15) 4.77 (1.70 x 2.80) Point Gap 0.30 - 0.40 mm
Overall Ratio (Top Gear) 9.46 16.07 Air Screw 1½ turns out
Chassis Idle Speed Lowest stable RPM (usually 1350 ± 50 RPM)
Wheelbase 1258 mm Transmission Oil SE Class SAE 10W30 or 10W40
Seat Height 800 mm - Capacity 0.6 liter
Ground Clearance 225 mm - Level Motorcycle vertical, off side stand, wait 5 min, just runs out of level screw hole
Dry Weight 95 kg Sub transmission Oil Same as transmission oil
Fuel Tank Capacity 8.3 liters - Capacity .1 liter
Tire Size Front 3.00-18 4PR Tube-Type - Level Motorcycle vertical, off side stand, just runs out of level screw hole
Rear 3.00-18 4PR Tube-Type Chassis
Brake Type Front Mechanical Drum (Leading/Trailing) Fork Oil SAE 10W
Rear Mechanical Drum (Leading/Trailing) - Capacity 174 cc dry
Brake Size Front 110 X 30 mm - Level 395 ± 4 mm (Fork extended, spring installed)
Rear 110 X 30 mm Tire Pressure Front 1.60 kg/cm² cold
Suspension Stroke Front 145 mm Rear 2.00 kg/cm² cold
Rear 90 mm Drive Chain Slack 15 - 20 mm (on side stand, tightest point, STD)

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