 |
Model
Identification |
| Color |
Pearl Candytone Red |
| Frame serial # |
G4-000001 - 014459 |
| Engine serial # |
FG4E000001 - 014461 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 |
11.5 at 8000 rpm |
| Maximum torque |
1.12 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 lever on sub transmission
cover) |
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 average 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) - 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 |
1¾ turns out |
| Chassis |
Idle Speed |
Lowest stable RPM (usually 1400 ± 100 RPM) |
| Wheelbase |
1270 mm |
Transmission Oil |
SE Class SAE 10W30 or 10W40 |
| Ground Clearance |
239 mm |
- Capacity |
0.7 liter |
| Dry Weight |
84 kg |
- Level |
Motorcycle vertical, off side stand, between lines on
dip stick screwed in all the way |
| Fuel Tank Capacity |
8.7 liters |
Sub transmission Oil |
Same as transmission oil |
| Tire Size |
Front |
3.00-18 4PR Tube-Type |
- Capacity |
.09 liter |
| Rear |
3.00-18 4PR Tube-Type |
- Level |
Motorcycle vertical, off side stand, to bottom edge
of filler plug hole |
| Brake Type |
Front |
Mechanical Drum (Leading/Trailing) |
Chassis |
| Rear |
Mechanical Drum (Leading/Trailing) |
Fork Oil |
SAE 10W |
| Brake Size |
Front |
110 X 30 mm |
- Capacity |
170 cc dry |
| Rear |
110 X 30 mm |
- Level |
? |
| Suspension Stroke |
Front |
115 mm |
Tire Pressure |
Front |
1.55 kg/cm² cold |
| Rear |
90 mm |
Rear |
1.97 kg/cm² cold |
| |
Drive Chain Slack |
About 20 mm (on side stand, tightest point, STD) |
