Engine technical data, 4 technical data – Piaggio 400ie User Manual
Page 80

injection system, with variable
advance and separate HV coil.
Ignition advance
Three-dimensional map managed
by control unit
Spark plug
CHAMPION RG 6 YC
Alternative spark plug
NGK CR7EKB
Fuel supply
Electronic injection with electric
fuel pump.
Fuel
Unleaded petrol (95 RON)
Muffler
Absorption-type exhaust muffler
with catalytic converter and
lambda probe.
Emission regulations
EURO 3
ENGINE TECHNICAL DATA
Type
Single-cylinder, 4-stroke
Cubic capacity
399 cm³
Bore x stroke
85.8 X 69 mm
Compression ratio
10.6 ± 0.5 : 1
Engine idle speed
1,500 ± 100 rpm
Timing system
Four valves, single overhead
camshaft, chain driven.
Valve clearance
Inlet: 0.15 mm
Outlet: 0.15 mm
MAX. power
24 KW at 7,250 rpm
80
4 Technical data