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Technical Specs for Stella motor scooters

Dimensions & Weight:
Overall length 5.77 feet 1760 mm
Overall width 2.28 feet 695 mm
Wheel base 4.05 feet 1235 mm
Maximum road clearance .52 feet 160 mm
Seat Height 2.69 feet 820 mm
Vehicle dry weight 240 lbs 109 kg
Maximum technically permissible mass 595 lbs 270 kg

Engine:
Single cylinder, two-stroke, forced air cooled with rotary distribution, 5 transfer ports, and reed valve induction with catalytic converter.
Displacement 149.56 cc
Bore 2.27 inches/ 57.8 mm
Stroke 2.24 inches /57.0 mm
Compression ratio 9.0 +/- 0.5 : 1
Maximum output/Power 10 +/- 0.3 bhp @ 5500 +/- 200 RPM
Electronic Ignition Capacitor Discharge Ignition
Ignition timing 20 +/- 2 before TDC

Chassis: Pressed steel sheet, monocoque structure.
Steering column and suspension Steering column is connected at the front wheel swinging hub.
Electronic Ignition Capacitor Discharge Ignition
Front & rear suspension (by Bitubo)

Front and rear suspension with helical spring and hydraulic dampers.

Brakes:
Front brake Grimeca disc brake
Rear brake Drum brake, mechanical expanding shoe type.

Tires (by Continental):
Front and rear tires 3.5" x 10" (89 x 254 mm) 4 ply rating.

Fuel: Unleaded 87 octane petrol with Auto-injection quality 2-stroke oil.
Fuel tank capacity 2.1 US gallon (includes .26 in reserve)
Oil tank capacity 1 quart
Fuel cock 3-way tap: Open (ON); Close (OFF), Reserve (RES).

Carburetor: Spaco-20/20D, Downdraft, 20mm venturi

Spark Plug: RN9YC -Champion, B6ES-NGK, WR6DC- Bosch
Spark plug gap 0.7-0.8 mm

Transmission: 4 speed constant mesh

Clutch: Multiplate, oil bath type.

Controls: Push-button electric start & kick pedal for manual start.
Clutch On left hand grip
Steering By handlebar
Accelerator Twist grip type on right handlebar
Gears By hand on left side of the handlebar
Clutch Lever Lever on left side of the handlebar
Front Brake Lever operated by right hand
Rear Brake Pedal operated by right foot

Electrical:
Generator system 12 Volt 96 Watt (flywheel magneto)
Horn 12 Volt DC Horn
Battery 12 Volt 9Ah
Fuse 8 Amp

Maximum speed: 60 mph in 4th gear

Paint Codes
Red DuPont Centari Acrylic Enamel: L8455A M
Ice Mint Green DuPont Centari Acrylic Enamel: GS237A H
Silver DuPont Centari Acrylic Enamel: N7941A
Tangerine DuPont Vinyl Color: M5472J M


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