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Model
Identification |
| Color |
1- Ebony 2- Candy Permission Red |
| VIN Range |
JKAKZLA1eBA000001
- 009600 |
| Engine number range |
KZ305AE000001 - 010100, found on RH top crankcase,
below carburetor. |
| Cylinder Mark |
0.306l found on
front center, above base |
| Engine |
| Engine Type |
4 stroke, 2 - cylinder, SOHC, air cooled. |
| Displacement |
306cc |
| Bore X Stroke |
61.0 X 52.4 mm |
| Compression Ratio |
9.5:1 |
| Maximum HP |
30 at 9000 rpm |
| Maximum torque |
2.5 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 (LH) side |
| Clutch Type |
Wet, multi-disc, Manual |
Firing Interval |
180° |
| 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 |
2.60 (39/15) |
Tuning
Specifications |
| 2nd |
1.79 (34/19) |
Engine |
| 3rd |
1.41 (31/22) |
Cylinder Head Torque |
Head Nuts |
In sequence 1- 2.0 kg/m 2- 2.5 kg/m |
| 4th |
1.16 (29/25) |
Cover Bolts |
3- 6Ø: 1.0 kg/m 4- 8Ø: 2.5 kg/m 4- Warm up 6-
Retorque cold |
| 5th |
1.00 (27/27) |
Valve Clearance Cold |
Intake |
0.14 - 0.19 mm |
| 6th |
0.89 (25/28) |
Exhaust |
0.21 - 0.26 mm |
| Primary Ratio |
3.74 (71/19) |
Valve Adjustment Method |
Rocker arm screw |
| Final Ratio |
2.20 (33/15) |
Compression Pressure |
7.7 - 11.0 kg/cm² usable range |
| Overall Ratio (Top Gear) |
7.34 |
Spark Plug |
NGK D9EA 0.6 - 0.7 mm gap |
| Chassis |
Point Gap |
0.35 ± 0.05 mm |
| Wheelbase |
1355 mm |
Ignition Timing |
Idle |
10° BTDC ("F" mark) at 1,250 rpm |
| Seat Height |
750 mm |
Full |
40° BTDC (in double marks) at 2,500 rpm |
| Ground Clearance |
150 mm |
Air Screw |
Sealed - not adjustable |
| Dry Weight |
152 kg |
Idle Speed |
1250 ± 50 rpm |
| Max Recommended Load |
155 kg |
Engine Oil |
SE Class SAE 10W40, 10W50, 20W40, 20W50 |
| Fuel Tank Capacity |
10.5 liters |
- w/filter change |
1.8 liter |
| Tire Size |
Front |
3.00S-18 4PR Tube-Type |
- no filter change |
1.5 liter |
| Rear |
120/90-16 63S Tube-Type |
- Level |
On center stand, wait 5 min, middle of window. |
| Brake Type |
Front |
Single hydraulic disc |
- Oil Pump Check |
Remove oil galley plug above LH spark plug, with
engine idling, oil should flow from galley. |
| Rear |
Mechanical Drum (Leading/Trailing) |
Chassis |
| Brake Size |
Front |
226 mm effective diameter |
Fork Oil |
SAE 5W20 (equiv. to SS8 or G0) |
| Rear |
160 X 30 mm |
- Capacity |
150cc dry, approx ? cc oil change |
| Suspension Stroke |
Front |
150 mm |
- Level |
480 ± 2 (Fork extended, spring removed) |
| Rear |
105 mm (wheel travel) |
Tire Pressure (cold) |
Front |
1.75 kg/cm² |
| |
Rear (normal) |
1.50 kg/cm² (0 - 97.5 kg) |
| Rear (heavy) |
2.00 kg/cm² (97.5 - 155 kg) |
| Chain Slack |
25 - 30 mm (on center stand, tightest point, STDs) |
