Need photo |
Model
Identification |
Color |
1- Orange 2- Candytone Blue |
Frame serial # |
G5-022027 - 044999 |
Engine serial # |
G5E22055 - 44999 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 |
Crankshaft Rotation |
Counterclockwise from ignition (LH) side |
Shift Pattern |
N-1-2-3-4-5 bottom up |
Cylinder Material |
Ferrous |
Gear ratios |
1st |
2.92 (35/12) |
Fuel |
Min 91 Research/87 average oct, unleaded OK |
|
2nd |
1.76 (30/17) |
Oil |
2-stroke oil for air cooled engines |
|
3rd |
1.30 (26/20) |
Tuning
Specifications |
|
4th |
1.09 (24/22) |
Engine |
|
5th |
0.96 (23/24) |
Cylinder Head Torque Nuts |
Cross-tighten: 2.2 kg-m |
Primary Ratio |
3.52 (74/21) |
Final Ratio |
2.80 (42/15) |
Compression Pressure |
8.5 kg/cm² STD 6.0 kg/cm² service limit |
Overall Ratio |
9.46 top gear |
Spark Plug |
NGK B8HCS or B8HS 0.6 - 0.7 mm gap |
Chassis |
Ignition Timing |
20° BTDC (1.96mm) - Flywheel mark aligns with cover
mark at 12 o'clock position |
Wheelbase |
1245 mm |
Point Gap |
0.30 - 0.40 mm |
Seat Height |
800 mm |
Air Screw |
1½ turns out |
Ground Clearance |
230 mm |
Idle Speed |
Lowest stable RPM (usually 1300 ± 100 RPM) |
Dry Weight |
87 kg |
Transmission Oil |
SE Class SAE 10W30 or 10W40 |
Fuel Tank Capacity |
8.0 liters |
- Capacity |
0.6 liter |
Tire Size |
Front |
2.75-19 4PR Tube-Type |
- Level |
Motorcycle vertical, wait 5 min, between lines on
dipstick, screwed in all the way |
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 (Motorcycle vertical, off stand, tightest
point, STD) |