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.

















Complete thermal group Parmakit d 60 SP W-Force lamellar (145 cc)
Vespa 125 Primavera VMA1>2T
Vespa 125 Primavera ET3 VMB1T
Vespa 125 ETS
Vespa 125 PK
- Aluminum cylinder d.60 with nikasil liner
- Stroke 51 x connecting rod 97mm
- Forged piston single segment in steel
- Integral head with side spark plug hole
- Intake manifold d.37
- 8-petal reed valve with flow guide
- CRANKCASE STUDS ARE NOT PROVIDED
Diameter: 60 mm, connecting rod 97 mm, stroke 51 mm, side spark plug

Exhaust manifold for Parmakit TSV Sixty six d.66 thermal unit Vespa 125/150 VNB-GT-GTR-TS-Sprint-GL-PX
Vespa 125/150 VNB-GT-GTR-TS-Sprint-GL-PX
Parmakit TSV Sixty six cylinder kit

Vespa 50/90/125 Primavera ET3

Enhanced prisoner kit for thermal group fastening M7x158 (4 pcs)
Vespa 125 Primavera VMA1T>2T
Vespa 125 Primavera ET3 VMB1T
Vespa 125 PK S/XL/N/HP

Complete thermal group Parmakit (177cc) TSV in aluminum with side spark plug type a
Vespa 125 PX
Vespa 125 GT/GTR/TS
Vespa 150 PX
Vespa 150 Sprint Veloce
Bore: 63
Displacement: 177cc
Stroke: 57 mm

Vespa 125 VNB1>6T
Vespa 125 GT VNL1>2T
Vespa 125 GTR VNL2T
Vespa 150 VBA1T
Vespa 150 VBB1>2T
Vespa 150 GL VLA1T
Vespa 150 Sprint VLB1T
Bore: 63 mm
Displacement: 177cc
Stroke: 57 mm

Vespa 125 Primavera VMA1>2T
Vespa 125 Primavera ET3 VMB1T
Vespa 125 PK
Bore: 57
Stroke: 51
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