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  • The Rally 200
    • The Rally 200 Rectifier
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    • Converting to 12 volts using same stator
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    • The P200 Conversion
    • Wiring your P200 Conversion
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Rally 200 Physical Specifications

(I copied the specs of a P200 from Vespa P Maintenance and began changing them to a Rally 200 spec.  Please let me know if you see any errors.

Physical Specs
Overall Length: 1770 mm (69.6 in)
Overall Width (handlebars): 690 mm (27.6 in)
Overall Height: 1070 mm (42.1 in)
Wheelbase: 1230 mm (48.4 in)
Turning Radius: 1400mm (55.0 in)
Ground Clearance: 130 mm (5.2 in)
Dry Weight: 108 kg (238 lb)
Chassis No. Prefix:  VSE 1T
Engine No. Prefix:  VSE 1M
Typical Speeds:Top: 120 kph (75 mph)
Maximum Speed: 110 kph (68 mph)
Fuel Consumption:  78 mpg
Carrying Capacity: 2 persons and 10 kg ( 22 lbs)


Engine
Type: Single horizontal cylinder, fan-cooled, two stroke rotary distribution
          carburetor mixture is regulated by crankshaft rotation with three transfer ports.
Bore: 66.5 mm (2.618 in)
Stroke: 57.0 mm (2.240 in)
Displacement: 197.97cc (12.076 cu in.)
Compression: 9.8:1
bhp at rpm: 12 @ 5700
Spark Advance: 24 before TDC
cam/ pick up tolerance:  0.25 - 0.30mm

Cylinder
Type: Cast Aluminum Alloy

Cylinder Barrel
Type: Cast Iron
Bore Sizes: 66.5 mm (2.618 in)
1st Oversize: 66.7 mm (2.626 in)
2nd Oversize: 66.9 mm (2.634 in)
3rd Oversize: 67.1 mm (2.642 in)

Piston
type: domed
Piston Compression Height: 42.5mm
Standard Diamter: 66.292 mm (2.6099 in)
Oversizes: 3, in 0.2 mm (0.0079 in increments)
Ring free end gap: 0.025-0.040 mm (0.010-0.016 in)
small end bearing: 16mm
Large end bearing: 20mm
Con rod length: 110mm

Crankshaft Assembly
Max. Runout
At mainshaft ends: 0.03mm (0.0012 in)
At flywheel faces: 0.02mm (0.0079 in)

Clutch
Type: Wet, Multiplate
No. of Friction Plates: 3
No. of Plain Plates: 2

Gearbox
Type: 4 speed constant mesh
Ratios:
1st Gear: 13.42:1
2nd Gear: 9.13:1
3rd Gear: 6.32:1
4th Gear: 4.71:1


Fuel System & Lubrication
Carburettor
Make: Dell'Orto [sic]
Type: SI24/24E
Venturi Size: 24 mm (0.95 in)

Jets
Main: 116
Diffuser: BE3
Atomizer: 60
Idle SS: 160
Starter Jet: 60

Air Filter
Type: Pleated Fabric and Gauze

Engine Lube
Type: Premix or Injection
Pre-Mix Oil Ratio: 50:1 (2%)
Two Stroke Oil: Good Quality [ash free] 2 Stroke Oil (Synthetic or Natural)

Gearbox Lube
Oil Grade: [Non-Detergent] SAE 30 motor oil
Capacity: Holding the bike straight up and down, the oil will drip
from the filler hole when full. (approx. 250mL 8.5oz)

Physical Fuel Line Length
length: 2 feet
Wheels Brakes and Tires

Wheels
Type: Pressed steel split rims, spare wheel available as option.
Wheels are interchangeable
Size: 2.10 X 10

Brakes
Type: Internal expanding drum brakes, single leading shoe (SLS) type, front and rear.

Tires
Size: 3.50 X 10, front and rear
Pressure (for factory tires)
Front: 15.5 psi (1.2 kg/cm2)
Rear (up to 180 pound load): 25.8 psi (1.8 kg/cm2)
Rear (over 180 pound load): 35.5 psi (2.5 kg/cm2)


Electrical System


System
Type: 6V AC
Some bikes are fitted with batteries for DOT safety equipment.
(such as Turn Signals, Horn, Tail and Brake Lights)
Alternator:
Regulator:
Horn: Electromagnetic, 6V AC for non battery bikes
Electromagnetic or Resonant Disc, 6V DC for battery bikes

6 Volt Bulbs
Headlamp: 25/25W (some bikes may have a sealed beam. Replace with equivalent)
Tail Lamp: 5W/10W combination lamp
Stop Lamp: 5W/10W combination lamp
Speedometer Lamp: (no. 1816) 6 Volt 3W bulb.
Warning Lamps: 2W

Spark Plug
Normal Conditions: NGK B7ES or equivalent
Highway Conditions: NGK B8ES or equivalent
Spark Plug Gap: 0.6mm ( 0.023")

Battery
Type: 6V 9 Amp Hours (Ah)
Specific Gravity: 1.260 to 1.280
Chemical Makeup: Lead Acid

Fuse
Type: 8 amp (european style)

CDI Unit
Type: Proprietary Sealed 'black box' Unit
Spark Plug interconnection: Silicone coated Oxygen Free Cable (18 Guage inner)
Almost any car spark plug wire will work as long as
the wire length is correct.

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