PIAGGIO Fly Workshop Manual page 9

Fly
Engine
Specification
Engine type
Bore x stroke
Cubic capacity
Compression ratio
Carburettor
CO adjustment
Engine idle speed
Air filter
Starting system
Lubrication
Fuel supply
Cooling system
ENGINE
Two-stroke, single cylinder Piaggio Hi-PER2
DELL'ORTO PHVA 17.5
1800 to 2000 r.p.m.
Sponge, soaked in a mixture (50% SELENIA Air Filter Oil and
50% unleaded petrol).
electric starter/kick-starter
With blend and variable oil variable according to the engine
revolutions and the throttle valve opening by means of a pump
controlled by the driving shaft with toothed belt.
Gravity feed, with unleaded petrol (with a minimum octane rat-
ing of 95) with carburettor.
forced coolant circulation system
Characteristics
Desc./Quantity
40 X 39.3 mm
49.40 cc
10,3 :1
3.5% ± 0.5
CHAR - 9