Bore diameter 58mm Stroke 51mm Displacement 135cc
Timing: Main transfers 124° Exhaust 180°
Aluminum alloy dual-ring piston with high silicon content.
CNC machined die-cast aluminum head
Steel rings Steel pin Steel clips
It mounts with 51mm stroke crankshafts and 97mm connecting rod
No need to file or remove the dust seal half-moon on the engine casing base. 

Paired with the VMC Siluro exhaust, it becomes an engine with power always available while maintaining the reliability of the original engine with a classic look and sound.

The perfect tuning for your Vespa.

Main features:
Diameter: 63 mm
Elastic bands included

In metal, Aluminum color.

77x77x40 mm
incl. gaskets
4 valves without stop

Carter for Vespa Special, Et3, and PK entirely cast and machined in Italy.

They are reinforced in thickness in every part, made in shell with tempered Galsi9 material and assembled with 13 hexagon socket screws of 6mm.

On the flywheel side, they are machined to also accommodate the Vespatronik ignition and on the top side, they are prepared for the installation of exhausts that run behind the shock absorber (such as M3XC, Tipo R, or
similar).

Originally closed by casting, it will only need to be opened to mount cylinders without intake.

The support arm is much more robust than the original, shaped in
a way that allows the use of a 3.50/10 tire.
Equipped with a support for the water pump that takes movement from the
fourth gear (third gear).
The wide and thick base is made to accommodate various types of cylinders
of the M, R series, or other brands, without welding overlays.
Inside, the pump housing is machined for the installation of its dedicated full-shoulder shaft, with

Round flywheels, stroke 51mm
Shoulders 87
Fits both bearings 20x47x14

Ideal for Quattrini M1B

Corsa 57 mm

Displacement: 144 cc - New version with exhaust booster

New version of the thermal group for Vespa ET3, Primavera, Special, PK,
crankcase intake. It has a larger exhaust (muffler fixing hole spacing
of 56mm), an interior with new transfer ports,
resized shell, and an enlarged base. It consists of an
aluminum cylinder (Nikasil, 60mm bore, 51mm stroke, 150cc,
exhaust booster, 5 transfer ports), interlocking aluminum head,
lightened piston (single ring), gaskets, assembly instructions.
It can be mounted without boring the crankcase.

Compatible with Carter Quattrini and Pinasco

SPECIFIC FOR QUATTRINI M244 THERMAL GROUP
Stroke 60 mm
Rod length 126 mm (rotary valve)

Head with central spark plug

Bore: 62 mm
Displacement: 172cc
Stroke: 57 mm

Cylinder coating: Nikasil
Reed valve intake on the cylinder

Full shoulders Ø87mm, stroke 51mm, connecting rod 97mm, shaft length 48mm.
Pin 15 mm

Full shoulders Ø85mm , stroke 51mm, connecting rod 102mm, shaft length 48mm.
To be mounted with two bearings 25x52x15mm and two oil seals 24x35x7mm. Optional to be purchased separately

Diameter: 1.2 mm
Length: 2000 mm
Barrel: 2.8x3 mm

Measurements: 16x22x12 mm

Bore diameter 58mm Stroke 51mm Connecting rod 97mm Displacement 135cc

Timing: Main transfers 122° Exhaust 180°

Aluminum alloy dual-ring piston with high silicon content.

CNC machined die-cast aluminum head

Steel rings Steel pin Steel stops

It is mounted with crankshafts stroke 51mm and connecting rod 97mm

No need to file or remove the dust protection half-moon on the engine case base. 

Paired with the VMC Siluro exhaust, it becomes an engine with power always available while maintaining the reliability of the original engine with a classic look and sound.

The perfect tuning for your Vespa.

Roller cage included, stroke 43, small cone

Pre-welded crossbars

Dimensions: 60x43.3cm Sheet thickness: 10/10 (1 mm as Original)

Raw
Traversini NOT included

Angolo arrodondato, altezza--> 50,2 mm

Material: 40 NI Cr Mo 15 (Sim. Piaggio)

Diameter 13 mm, in galvanized steel

Diameter 15 mm, with O-ring
Galvanized

In metal
Size: 170x170 mm

32 l
including mounting material, without backrest

32 l
including mounting material, without backrest
original Piaggio stock (discontinued spare part)

Complete gearbox for track use, ensures optimal gear shifting,
can only be mounted on Quattrini or Fabbri racing engine cases with respective
modifications on the Quattrini engine case, according to our instructions.