Motor
Bore:
Strike:
engine capacity:
Maximum power:

61 mm
64 mm
747 cc
41,5 hp bij 5500 rpm

Distribution
Inlet:

Exhaust:

Valve clearance:

Open 30º for T.D.C.
Close 70º to B.D.C.
Open 70º voor B.D.C.
Close 30º to T.D.C.
0,20 mm

Carburetion
Venturi:
Main jet:
Idle jet:
Pump jet:
Air jet:
Emulsion jet:

Weber 32 imp
22 mm
1,20 mm
0,50 mm
0,50 mm
1,80 mm
F4

Weber 32 DRNP2
22 mm
1,30 mm
0,50 mm
0,45 mm
1,80 mm
F1

Performance
With one person:
Top speed:
Maximum rpm:

1 km in 40 2/10 sec
130 km/uur
5900 rpm

Capacity sump

4 ltr Castrol XL 30/40

Ignition
Fixed pre-ignition:
Automatic pre-ignition:
Claerance points:
Sparkplugs:
Electrode distance:

8º
30º
0,45 mm
Marelli 240
0,60 mm

Clutch
Springs Abarth normal:
Abarth competition:

R = 45/40 kg
R = 60/63 kg

Gearbox
1st
2nd
3rd
4th
differential:

13/44 3,384 : 1
18/37 2,055 : 1
24/32 1,333 : 1
29/26 0,896 : 1
8/39

On request:
2nd 20/35
3rd 25/30
4th 27/28 30/25
differential 8/43 - 8/41 - 8/40 - 9/41 - 9/39

Wheels and Tires
Rim size:
Tire:
Tire pressure:

3½ x 12"
5,20 x 12"
front 1,2 atm
rear 1,5 atm

Special versions
750 Grand Touring Mille Miglia
Compression ratio 9.8: 1, Max.vermogen 44 hp at 6000 rpm, crankshaft and connecting rods, etc. polished.

750 Grand Touring Mille Miglia
(Special)
Compression ratio 9.8: 1, max power 46 hp at 6000 rpm, flaps, thicker head bolts now instead of 8 mm 10 mm thick. All parts are polished.

750 Grand Touring Mille Miglia
(Especially for short circuits)
Same as above except that the compression ratio increased. Max. power 47 hp at 6200 rpm