Parmakit Cylinder 66 205cc d=66mm 60mm stroke 110mm conrod Vespa PX 125-150/Cosa 125-150
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Description
Premium quality performance parts made in Italy - Parmakit Cylinder Sixty Six 205cc with 66mm bore, 60mm stroke for 110mm connecting rod, for Vespa Largeframe models (Vespa PX 125-150 / Cosa 125-150). The "Sixty Six" is part of Parmakit's W-Force group with direct intake / reed valve, and it is the one with the biggest bore and highest displacement. Perfect for Endurance racing and of course everyone else looking for maximum power output.
The cylinder shines on all fronts: lots of power and fantastic torque are combined with very high reliability - this top quality tuning kit will get get your Smallframe Vespa an impressive boost and will last you a long time. And the huge 66mm bore is not the only exceptional feat this cylinder has in stock - high-precision workmanship, ingenious layout and top quality materials are all bound to raise your Vespa to the next level.
The aluminium cylinder with Nikasil-coated bore is very robust, reliable and low-maintenance. It has 5 transfer ports. The piston (Vertex) comes with 16mm pin as well as circlips and rings (x2). The cylinder comes with a modular cylinder head (two-piece, with separate combustion chamber) for more efficient cooling; spark plug position is off-centre.
You have to use a matching crankshaft with 110mm connecting rod. Please check if your crankshaft and especially the bearings are in good condition before mounting the cylinder kit.
For optimum performance we recommend using a larger carburetor (34mm or even more). Also recommended: a matching tuning exhaust to unlock the full potential of this kit. And if you want to go all out, we recommend complementing your new cylinder with a race ignition.
The "Sixty Six" cylinder kit includes:
- Nikasil-plated aluminium cylinder 205cc, 66mm bore (60mm stroke / 110mm conrod)
- CNC-machined modular cylinder head, anodized black
- gaskets and small parts
How to Install a cylinder on a scooter, motorcycle or moped
The cylinder or cylinder kit is the heart of the engine on scooters, motorcycles and mopeds. It consists of a cylinder, a piston with piston ring(s), a cylinder head and gaskets needed for installation.
The service life of a cylinder depends on whether it has been fitted correctly.
Tuning Level: Racing
We categorize our products into different performance levels Original, Sport, Racing and High End , so that our customers can choose the right parts for their setup. It is really important to combine parts that belong to the same tuning level, this is especially true for cylinders, crankshafts and exhausts.
Racing products are designed for a more extreme uses and are developed primarily for racing. Whether you stay at 50cc or increase the displacement, the corresponding Racing parts produce much higher performance than the original parts in order to achieve maximum power.
Aluminium cylinders
Aluminium cylinders are more powerful than cast iron cylinders, but require more regular maintenance and must be combined with different components such as a reinforced crankshaft and a larger carburetor.
How to run in an aluminium cylinder?
Aluminium cylinders should be run in for about 200 kilometers , and you should use a fully synthetic engine oil.
Note: To ensure optimum performance and reliability, it is advisable to measure the squish clearance. Just have a look at our tutorial How to adjust squish clearance.