1973 Vespa 180 Rally Specifications

Name: 1973 Vespa 180 Rally
Brand: Vespa

Scooter • Specs last verified 13 July 2026

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1973 Vespa 180 Rally Overview

The 1973 Vespa 180 Rally is a scooter motorcycle built around 180.1 cc of displacement. Under the tank sits a Two stroke, single cylinder engine, a compression ratio of 8.0:1. 1973 Vespa 180 Rally delivers 7.6 kW @ 5700 rpm of peak power. The factory-quoted top speed stands at 100 km/h, making it a capable performer in its class. From a practical standpoint, the 1973 180 Rally tips the scales at 102 kg, carries an 8.2 L fuel tank and spans a 1230 mm wheelbase. Scroll down for the complete 1973 Vespa 180 Rally spec sheet covering every technical detail from suspension travel to tyre sizes.

1973 Vespa 180 Rally compared with other bikes in the Scooter category

Here is how the 1973 Vespa 180 Rally stacks up against other bikes in the Scooter category in our database. Each model counts once, using the model year closest to this one, and the comparison covers up to 1110 models.

Power output of 7.6 kW is lower than that of 202 of the other 277 bikes in the Scooter category.
Only 365 of the other 1109 bikes in the Scooter category have a larger engine displacement than the 180 cc of the 180 Rally.

1973 180 Rally - Pros & Cons

Strengths

Capable power output: At 7.6 kW @ 5700 rpm, the 180 Rally holds its own against class rivals.

Considerations

Drum rear brake: The drum rear brake is adequate but lacks the modulation and fade resistance of a disc setup found on more modern equivalents.
Modest fuel capacity: The 8.2 L tank means more frequent fuel stops on longer rides, which is worth planning around on touring routes.

Wear Points & Servicing Notes

Heat management in traffic

180 Rally's air-cooled design means engine-bay temperatures build up more in stop-start traffic than on a liquid-cooled equivalent - a function of the cooling method itself, not a defect. Mesh riding gear and avoiding prolonged idling help in hot climates.

Suspension condition on used examples

Up front, the 180 Rally runs Helicoidal springs and hydraulic shock absorber and Helicoidal springs and hydraulic shock absorber at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.

Frame & chassis check

The frame is Pressed sheet steel, streamlined monocoque structure - worth a visual check for corrosion or impact damage around the head-stock and swingarm pivot on any used example, since frame damage is far costlier to fix than any service item.

Low-speed handling

At just 102 kg, the 180 Rally is light enough to manhandle easily at a standstill - one of the practical advantages of its class.

180 Rally - Buying & Maintenance Guide

What to check before buying

When inspecting a used 1973 Vespa 180 Rally with its 180.1 cc scooter, start with the basics: check the service book for oil change frequency, inspect the drivetrain for wear, and look for oil seepage around the engine casings and rocker covers. Now 53 years old, this scooter is as likely to show age-related wear (perished rubber, seized fasteners, degraded seals) as mileage-related wear. A cold start test is invaluable - a well-maintained 180 Rally should fire up cleanly and settle to a smooth idle within a few seconds.

Oil and filter changes

Regular oil changes are the single most important maintenance task for the 180 Rally's 180.1 cc two stroke, single cylinder. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. With an 8.0:1 compression ratio, running the octane grade specified in the manual matters more than on a lower-compression engine. Always use the correct viscosity grade as specified in the owner's manual.

1973 Vespa 180 Rally - Frequently Asked Questions

What engine does the 1973 Vespa 180 Rally have?

The 1973 Vespa 180 Rally uses a Two stroke, single cylinder engine with 180.1 cc of displacement. It is air cooled, forced.

What is the top speed of the 1973 Vespa 180 Rally?

The 1973 Vespa 180 Rally has a factory-quoted top speed of 100 km/h. Real-world speeds vary depending on rider weight, conditions and state of tune.

How much does the 1973 Vespa 180 Rally weigh?

The 1973 Vespa 180 Rally weighs 102 kg. This is the manufacturer's dry figure.

How much power does the 1973 Vespa 180 Rally make?

The 1973 Vespa 180 Rally produces 7.6 kW @ 5700 rpm of power.

What is the fuel tank capacity of the 1973 Vespa 180 Rally?

The 1973 Vespa 180 Rally has an 8.2 L fuel tank. At around 5-6 litres per 100 km, that is roughly 136-163 km between stops.

What brakes does the 1973 Vespa 180 Rally have?

The 1973 Vespa 180 Rally uses 125 mm drum at the front and 127 mm drum at the rear.

What tyre sizes does the 1973 Vespa 180 Rally use?

The 1973 Vespa 180 Rally runs 3.5 x 10" front and 3.5 x 10" rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

What gearbox does the 1973 Vespa 180 Rally have?

The 1973 Vespa 180 Rally is fitted with a 4 Speed, grip-shift, constant mesh transmission.

Key Specifications

Engine

Two stroke, single cylinder

Power

7.6 kW / 10.3 hp @ 5700 rpm

Torque

Not recorded

Top Speed

100 km/h / 62 mph

Weight

102 kg / 225 lbs

Fuel Capacity

8.2 L / 2.2 US gal

Full 1973 Vespa 180 Rally Specifications

Year 1968 - 73

Make Model Vespa 180 Rally

Total Produced 26 405 units

Wheelbase 1230 mm / 48 in

Height 1045 mm / 41 in

Length 1770 mm / 70 in

Width 670 mm / 26 in

Dry Weight 102 kg / 225 lbs

Fuel Capacity 8.2 L / 2.2 US gal

Top Speed 100 km/h / 62 mph

Max Power 7.6 kW / 10.3 hp @ 5700 rpm

Displacement 180.1 cc / 11 cub in

Engine Detail Two stroke, single cylinder

Bore x Stroke 63.5 x 57 mm

Carburetor Dell'Orto SI 20/20 D

Compression Ratio 8.0:1

Cooling System Air cooled, forced

Fuel Consumption 2.7 L/100 km / 37 km/l / 87 US mpg

Fuel Mixture 1:50

Ignition Contact breaker and coil, 35W

Starter Kick start

Battery Capacity 6V

Clutch Wet, multiplate

Final Drive Direct drive

Gear Ratios 1st 14.47 / 2nd 9.84 / 3rd 6.81 / 4th 5.08:1

Transmission / Drive 4 Speed, grip-shift, constant mesh

Frame Type Pressed sheet steel, streamlined monocoque structure

Suspension - Front Helicoidal springs and hydraulic shock absorber

Suspension - Rear Helicoidal springs and hydraulic shock absorber

Brakes - Front 125 mm drum

Brakes - Rear 127 mm drum

Tyres - Front 3.5 x 10"

Tyres - Rear 3.5 x 10"

Wheels Cast with cooling fins

Specifications are compiled from manufacturer documentation and cross-referenced technical sources, and corrected on an ongoing basis. Spot an error? Let us know.