Sunday, April 28, 2013

P-series Technical Notes: P200

If you are in the market for a scooter, the P200 is a good choice. It is a well designed "classic" scooter with power to spare. Many people complain about the angularity of the P-Series, but they are still very waspy. The front mudgard and cowls are what give the "P" it's look. I think it really suits an electronic music lifestyle (reminds me of the old JX-3P synth in my room). Anyway, I find the specifications give a good insight into the workings of this infamous series. What follows is a list of specifications for the Vespa P200 under ideal conditions.

Physical Specs

Overall Length:        1760 mm (69.3 in)
Overall Width:         695 mm (27.3 in)
Overall Height:        1110 mm (43.7 in)
Wheelbase:             123 5mm (48.7 in)
Ground Clearance:  225 mm (8.9 in)
Dry Weight:            108 kg (238 lb)
Chassis No. Prefix: VSX 1 T
Engine No. Prefix:  VSE 1 M
Typical Speeds:
Top:                       120 kph (75 mph)
Cruise:                   104 kph (65 mph)

Engine & Transmission Specs

Type:                     Single cylinder fan-cooled two stroke
Bore:                     66.5 mm (2.618 in)
Stroke:                  57.0 mm (2.240 in)
Displacement:        197.97cc (12.080 cu in.)
Compression:        9.8:1

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)

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)

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

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

Type: 4 speed constant mesh
1st Gear: 14.47:1
2nd Gear: 10.28:1
3rd Gear: 7.31:1
4th Gear: 5.36:1

Fuel System & Lubrication

Make:           Dell'Orto [sic]
Type:            SI24/24E (older models may have an SI20/20D)
Venturi Size:  24 mm (0.95 in)

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

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

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

Size: 3.50 X 10, front and rear Pressure (for factory tires)
Front: 17.6 psi (1.23 kg/cm2)
Rear (up to 180 pound load): 25.8 psi (1.8 kg/cm2)
Rear (over 180 pound load): 36.7 psi (2.58 kg/cm2)


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