Thermal groups for Vespa and parts
When we talk about Vespa, we cannot help but mention one of the key elements that defines its performance: the engine group. This component, essential for the functioning of the engine, includes the cylinder and the piston, which work together to ensure that every drop of fuel is transformed into power and speed.
If you are a scooter enthusiast, you know how important it is to have an efficient engine group. It not only affects the overall performance of your vehicle but also impacts its reliability over time. Vespa engine groups are designed to withstand wear and tear, thanks to high-quality materials and robust construction, ensuring excellent durability over time.
Vespa 125 Primavera VMA1T>2T
Vespa 125 Primavera ET3 VMB1T
Vespa 125 PK S/XL/N/HP
Thermal Group Parmakit CHALLENGER - Vespa ET3 - d.57 130cc manifold d25
Thermal Group Parmakit "Challenger"
Manifold Ø 25
- aluminum cylinder Ø 57 - nicasil liner
- intake manifold Ø 25 mm
- fusion head lateral spark plug hole
- 4-petal reed valve
- Vertex piston with one steel ring
Flow guide not included
DIAMETER: 57
DISPLACEMENT: 130
PIN: 15
STROKE: 51
ROD: 97
TRANSFERS: 5
Thermal Group Parmakit ECV
PLUG & PLAY
- aluminum cylinder Ø 55 elliptical exhaust port
- nicasil-coated liner
- fusion head with side spark plug hole
- Vertex piston with two steel rings
DIAMETER: 55
DISPLACEMENT: 121
PIN: 15
STROKE: 51
ROD: 97
TRANSFER PORTS: 5
Complete thermal group Parmakit SP09 EVO (135 cc) for Vespa 50 Special-N-L-R/90/125 Primavera ET3-PK-ETS
Vespa 125 Primavera VMA1>2T
Vespa 125 Primavera ET3 VMB1T
Vespa 125 ETS
Vespa 125 PK
Biella 97mm
Thermal Group Parmakit SP 09 EVO - G.T Vespa ET3 d.60 SP09 EVO 144cc
Thermal Group Parmakit SP 09 - EVO
- aluminum cylinder Ø 60 SPLIT EXHAUST PORT
- nicasil liner
- "integral" head with lateral spark plug hole
- forged Vertex piston with one steel ring
DIAMETER: 60
DISPLACEMENT: 144
PIN: 15
STROKE: 51
ROD: 97
TRANSFERS: 5
Thermal Group Parmakit SP 09 EVO - G.T Vespa ET3 d.60 144cc b105
Thermal Group Parmakit SP 09 - EVO
- aluminum cylinder Ø 60 SPLIT EXHAUST PORT
- nicasil liner - "integral" head with lateral spark plug hole
- forged Vertex piston with a steel ring
DIAMETER: 60
DISPLACEMENT: 144
PIN: 15
STROKE: 51
TRANSFER PORTS: 5
ROD: 105
Thermal Group Parmakit SP 09 - EVO
- aluminum cylinder Ø 60 SPLIT EXHAUST PORT
- nicasil-coated barrel - "integral" head with lateral spark plug hole
- forged Vertex piston with a steel ring
DIAMETER: 60
DISPLACEMENT: 153
PIN: 15
STROKE: 54
TRANSFERS: 5
ROD: 97
Thermal Group Parmakit SIXTY SIX - GT Vespa SP09 d.66 175cc
Thermal Group Parmakit Sixty Six
- aluminum cylinder Ø 66 SPLIT EXHAUST PORT
- nicasil lining
- “integral” head with lateral spark plug hole
- forged Vertex piston with one steel ring
DIAMETER: 66
DISPLACEMENT: 175
PIN: 16
STROKE: 51
ROD: 110
TRANSFERS: 5
Parmakit ECV Thermal Group
PLUG & PLAY
- aluminum cylinder Ø 57 elliptical exhaust port
- nikasil lining
- fusion head with side spark plug hole
- Vertex piston with a steel ring
DIAMETER: 57
DISPLACEMENT: 130
PIN: 15
STROKE: 51
ROD: 97
TRANSFER PORTS: 5
Parmakit Puffo Challenger Thermal Group - Vespa PK 50-125 - d.57 130cc manifold 30
Thermal Group Parmakit "PUFFO Challenger"
Ø 30 Manifold
- Ø 57 aluminum cylinder - nicasil liner
- Ø 30 mm intake manifold
- “integral” head with side spark plug hole
- 4-petal reed valve
- Vertex piston with a single steel ring
- Vespa PK manifold with flow guide
DIAMETER: 57
DISPLACEMENT: 130
PIN: 15
STROKE: 51
ROD: 97
TRANSFERS: 5
Parmakit Thermal Group in cast iron
PLUG & PLAY IN CAST IRON
cylinder in cast iron Ø 57 elliptical exhaust port
aluminum head with side spark plug hole
Vertex piston with two steel rings
DIAMETER: 57
DISPLACEMENT: 130
PIN: 15
STROKE: 51
ROD: 97
TRANSFER PORTS: 5
Parmakit Puffo Challenger Thermal Group - G.T Vespa ET3 d.57 130cc
Thermal Group Parmakit "PUFFO Challenger"
Manifold Ø 25
DIAMETER: 57
DISPLACEMENT: 130
PIN: 15
STROKE: 51
ROD: 97
TRANSFER PORTS: 5
Parmakit Puffo Challenger Cylinder Kit - G.T Vespa ET3 d.57 130cc
Thermal Group Parmakit "PUFFO Challenger"
Manifold Ø 30
DIAMETER: 57
DISPLACEMENT: 130
PIN: 15
STROKE: 51
ROD: 97
TRANSFERS: 5
Thermal Group Parmakit CHALLENGER - Vespa ET3 Ø57 130cc - d30 manifold
Parmakit "Challenger" Thermal Group
Manifold Ø 30
- aluminum cylinder Ø 57 - nicasil coating
- intake manifold Ø 30 mm
- fusion head with side spark plug hole
- 4 petal reed valve
- Vertex piston with one steel ring
Flow guide not included
DIAMETER: 57
DISPLACEMENT: 130
PIN: 15
STROKE: 51
ROD: 97
TRANSFERS: 5
Thermal Group Parmakit Puffo Challenger - Vespa PK 50-125 - d.57 130cc manifold 25
Thermal Group Parmakit "PUFFO Challenger"
Ø 25 Manifold
- Ø 57 aluminum cylinder - nicasil lining
- Ø 25 mm intake manifold
- “integral” head with lateral spark plug hole
- 4-petal reed valve
- Vertex piston with a single steel segment
- Vespa PK manifold with flow guide
DIAMETER: 57
DISPLACEMENT: 130
PIN: 15
STROKE: 51
CONNECTING ROD: 97
TRANSFER PORTS: 5
Thermal Group Parmakit Challenger ECV - G.T Vespa PK 50-125 - d.57 130cc collet 25
Thermal Group Parmakit "Challenger ECV"
Ø 25 Manifold
- aluminum cylinder Ø 57 - nicasil lining
- intake manifold Ø 25 mm
- fusion head with side spark plug hole
- 4-petal reed valve
- Vertex piston with one steel ring
- Vespa PK manifold with flow guide
DIAMETER: 57
DISPLACEMENT: 130
PIN: 15
STROKE: 51
ROD: 97
TRANSFERS: 5
Parmakit Challenger ECV Thermal Group - G.T Vespa PK 50-125 - d.57 130cc collet 30
Thermal Group Parmakit "Challenger ECV"
Manifold Ø 30
- aluminum cylinder Ø 57
- nicasil-lined barrel
- fusion head with lateral spark plug hole
- 4-petal reed valve
- Vertex piston with one steel ring
- Vespa PK manifold with flow guide
DIAMETER: 57
DISPLACEMENT: 130
PIN: 15
STROKE: 51
ROD: 97
TRANSFERS: 5
Thermal Group Parmakit "TSV ECV"
- aluminum cylinder Ø 63
- SINGLE ELLIPTICAL EXHAUST
- fusion head with side spark plug hole
- Vertex piston with TWO steel rings
- gasket set for variable timing.
DIAMETER: 63
DISPLACEMENT: 177
PIN: 15
STROKE: 57
CONNECTING ROD: 105
TRANSFERS: 5
Thermal Group Parmakit "RED DEVIL LC"
DIAMETER: 63
DISPLACEMENT: 177
PIN: 15
STROKE: 57
CONNECTING ROD: 105
TRANSFER PORTS: 5
Thermal Group Parmakit "Sixty Six"
aluminum cylinder Ø 66 - SPLIT EXHAUST PORT
"INTEGRAL" head with side spark plug hole
Vertex piston with TWO steel rings
gasket set for variable timing
DIAMETER: 66
DISPLACEMENT: 195
PIN: 16
STROKE: 57
ROD: 110
TRANSFER PORTS: 5
Parmakit Red Devil Thermal Group PX - Vespa PX TSV Cylinder Kit d.63 177cc
Thermal Group Parmakit "RED DEVIL PX"
Aluminum cylinder with nickel-silicon bore coating.
Vertex piston with special graphite anti-seize coating, phosphated and chrome-plated steel rings.
"MOUSE RED" integral head with rounded fins for better cooling.
Base gasket set in special "GREEN WATERTIGHT" material.
Head gaskets in copper, cylinder exhaust gaskets in special reinforced "HEAT SEAL" material.
DIAMETER: 63
DISPLACEMENT: 177
PIN: 15
STROKE: 57
ROD: 105
TRANSFERS: 5
Cast iron thermal group Parmakit - Vespa 50 - XL 50 - Ape 50 - 75cc
DIAMETER: 47
DISPLACEMENT: 75
WRIST PIN: 12
STROKE: 43
TRANSFER PORTS: 3
Cast iron thermal group Parmakit - Vespa 50 - XL 50 - Ape 50 - 49cc
DIAMETER: 38.4
DISPLACEMENT: 49
WRIST PIN: 12
STROKE: 43
TRANSFER PORTS: 3
Thermal Group Parmakit Sixty Six - Vespa PX-TSV d.66 205cc
Thermal Group Parmakit "Sixty Six"
aluminum cylinder Ø 66 - SPLIT EXHAUST PORT
“INTEGRAL” head with lateral spark plug hole
Vertex piston with TWO steel rings
gasket set for variable timings
DIAMETER: 66
DISPLACEMENT: 205
PIN: 16
STROKE: 60
ROD: 110
TRANSFERS: 5
Thermal Group Parmakit "Sixty Six LC"
aluminum cylinder Ø 66 - SPLIT EXHAUST PORT
"INTEGRAL" head
Vertex piston with TWO steel rings
gasket and o-ring set in Viton
DIAMETER: 66
DISPLACEMENT: 195
PIN: 16
STROKE: 57
ROD: 110
TRANSFERS: 5
Thermal Group Parmakit two transfers Sprint Veloce - GT Vespa d.63 177cc Sprint-GT-Super
Thermal Group Parmakit "Sprint Veloce"
- aluminum cylinder Ø 63
- EXHAUST WITH BOOSTER
- fusion head with lateral spark plug hole
- Vertex piston with TWO steel rings
- gasket set for variable timing
DIAMETER: 63
DISPLACEMENT: 177
PIN: 15
STROKE: 57
ROD: 97
TRANSFERS: 6
Parmakit Liquid Cooled Thermal Group
- aluminum cylinder Ø 60 SPLIT EXHAUST PORT
- nicasil-coated lining
- Vertex forged piston with a steel ring
DIAMETER: 60
DISPLACEMENT: 144
PIN: 15
STROKE: 51
ROD: 105
TRANSFERS: 5
Parmakit SP 09 CLASSIC Thermal Group - G.T Vespa ET3 - d.55 121cc
Thermal Group Parmakit SP 09 - CLASSIC
PLUG & PLAY
- aluminum cylinder Ø 55 elliptical exhaust port
- nicasil liner
- fusion head with side spark plug hole
- Vertex piston with one steel ring
DISPLACEMENT: 135
WRIST PIN: 15
STROKE: 51
CONNECTING ROD: 97
TRANSFERS: 5
Thermal Group Parmakit LIQUID - Vespa ET3 - W-Force LC d.58 148 cc
Thermal Group Parmakit LIQUID
- Aluminum cylinder d.58 with nikasil lining
- Stroke 56 x rod 105mm
- Forged piston single steel ring
- Integral decomposable head with central spark plug hole
- Intake manifold d.37
- 8-petal reed valve with flow guide
DIAMETER: 58
DISPLACEMENT: 148
PIN: 15
STROKE: 56
ROD: 105
TRANSFERS: 7
Thermal Group Parmakit LIQUID - VESPA ET3 - W-Force LC d.60 144 cc
Thermal Group Parmakit LIQUID
- Aluminum cylinder d.60 with nikasil lining
- Stroke 51 x connecting rod 105mm
- Forged single-ring steel piston
- Integral split head with central spark plug hole
- Intake manifold d.37
- 8-petal reed valve with flow guide
DIAMETER: 60
DISPLACEMENT: 144
PIN: 15
STROKE: 51
CONNECTING ROD: 105
TRANSFER PORTS: 7
Cast iron thermal group Parmakit - Vespa 50 - XL 50 - Ape 50 - 55cc
DIAMETER: 55
DISPLACEMENT: 102
WRIST PIN: 12
STROKE: 43
PORTS: 6
Thermal Group Parmakit SIXTY SIX W-Force - Vespa ET3 - d66 175 cc
Thermal Group Parmakit SIXTY SIX
- Aluminum cylinder d.66 with nikasil liner
- Stroke 51 x connecting rod 110mm
- Forged single-ring steel piston
- Integral head with side spark plug hole
- Intake manifold d.37
- 8-petal reed valve with flow guide
DIAMETER: 66
DISPLACEMENT: 175
PIN: 16
STROKE: 51
CONNECTING ROD: 110
TRANSFER PORTS: 7
Parmakit Road Thermal Group - GT Vespa ET3 lam. d55 W-Force 121cc
Parmakit ROAD Thermal Group
- Aluminum cylinder d.55 with nikasil liner - Elliptical exhaust
- Stroke 51 x connecting rod 97mm
- Single-segment steel piston
- Cast head with side spark plug hole
- Intake manifold d.30
- 4-petal reed valve
DIAMETER: 55
DISPLACEMENT: 121
PIN: 15
STROKE: 51
CONNECTING ROD: 97
TRANSFERS: 7
Thermal Group Parmakit ECV-SUPER ROAD - Vespa ET3 - d.58 connecting rod 105 -144 cc
Thermal Group Parmakit EVC-SUPER ROAD
- Aluminum cylinder d.58 with nikasil liner
- Stroke 51 x connecting rod 105mm
- Forged single-segment steel piston
- Casting head with lateral spark plug hole
- Intake manifold d.30
- 4-petal reed valve
DIAMETER: 58
DISPLACEMENT: 144
PIN: 15
STROKE: 51
CONNECTING ROD: 105
TRANSFER PORTS: 7
Thermal Group Parmakit EVC-SUPER ROAD
- Aluminum cylinder d.58 with nikasil lining
- Stroke 51 x connecting rod 97mm
- Forged piston single steel ring
- Fusion head with side spark plug hole
- Intake manifold d.30
- 4 petal reed valve
DIAMETER: 58
DISPLACEMENT: 144
PIN: 15
STROKE: 51
CONNECTING ROD: 97
TRANSFER PORTS: 7
Thermal Group Parmakit ECV-SUPER ROAD - Vespa ET3 - d.60 connecting rod 105 - 144 cc
Thermal Group Parmakit EVC-SUPER ROAD
- Aluminum cylinder d.58 with nikasil liner - Elliptical exhaust
- Stroke 51 x connecting rod 97mm
- Forged single-segment steel piston
- Cast head with side spark plug hole
- Intake manifold d.37
- 4-petal reed valve
DIAMETER: 60
DISPLACEMENT: 144
PIN: 15
STROKE: 51
CONNECTING ROD: 105
TRANSFERS: 7
Parmakit EVC-SUPEROAD Thermal Group - G.T Vespa ET3 - d.58 W-Force ECV 135cc
Parmakit EVC-SUPER ROAD Thermal Group
- Aluminum cylinder d.58 with nikasil lining - Elliptical exhaust
- Stroke 51 x rod 97mm
- Forged single-segment steel piston
- Cast head with side spark plug hole
- Intake manifold d.37
- 4-petal reed valve
DIAMETER: 58
DISPLACEMENT: 135
PIN: 15
STROKE: 51
ROD: 97
TRANSFERS: 7
Parmakit Thermal Group RED DEVIL - Vespa ET3 - d60 Connecting Rod 105
Parmakit Red Devil Thermal Group
- Aluminum cylinder d.60 with nikasil liner
- Stroke 51 x connecting rod 105mm
- Forged piston single segment in steel
- Integral head with lateral spark plug hole
- Intake manifold d.37
- 8 petal reed valve with flow guide
DIAMETER: 60
DISPLACEMENT: 144
PIN: 15
STROKE: 51
CONNECTING ROD: 105
TRANSFER PORTS: 7
Thermal Group Parmakit RED DEVIL - Vespa ET3 - d58 Crankshaft 105
Parmakit Red Devil Thermal Group
- Aluminum cylinder d.58 with nikasil liner
- Stroke 56mm x connecting rod 105mm
- Forged single-segment steel piston
- Integral head with lateral spark plug hole
- Intake manifold d.37
- 8 petal reed valve with flow guide
DIAMETER: 58
DISPLACEMENT: 148
PIN: 15
STROKE: 56
CONNECTING ROD: 105
TRANSFER PORTS: 7
Thermal Group PARMAKIT RED DEVIL - Vespa ET3 - d58 Crankshaft 97
Thermal Group Parmakit Red Devil
- Aluminum cylinder d.58 with nikasil lining
- Stroke 51 x rod 97mm
- Forged single-segment steel piston
- Integral head with lateral spark plug hole
- Intake manifold d.37
- 8-petal reed valve with flow guide
DIAMETER: 58
DISPLACEMENT: 135
PIN: 15
STROKE: 51
ROD: 97
TRANSFERS: 7
Enhancing the thermal group of your Vespa doesn't just mean increasing power; it also means improving the riding experience. With a properly upgraded thermal group, you can achieve greater acceleration and a higher top speed, turning every trip into an exciting adventure.
Increasing Displacement: Increasing the engine's displacement is one of the most common modifications. For example, upgrading from a 125cc cylinder to a 177cc one can lead to a significant performance boost.
Cylinder Replacement: Aftermarket cylinders are designed to offer superior performance. Brands like Polini and Malossi offer high-quality cylinders that ensure power and reliability. Consider also replacing the exhaust
