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Polini
Article no.: P211.0247

Cylinder head Polini 70cc Sport / Corsa Minarelli LC, long reach

73,50 €

incl. tax, plus shipping

Availability:
On demand
Dispatch:
Estimated shipping on 18.04.2024
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Description

Polini Cylinder Head SPORT 70cc, Minarelli LC, long reach, spare head for Polini cylinder. If the cylinder head is defective, your engine will perform poorly or, even worse, not at all. We carry all the spare parts for Polini cylinders. When installing a new head, you should use the opportunity to change al the cylinder gaskets.

  • for Polini Sport 70cc
  • long-reach spark plug
  • Minarelli LC
Questions about the product
 
 
Notes and Safety

Cylinder head

The cylinder head of an internal combustion engine can have different shapes and contain different elements, depending on the type of engine. While in a two-stroke engine the cylinder head contains only the spark plug, in a four-stroke engine it is much more complex, as it also contains the valves, the camshaft and many other parts that are important for the operation of a 4-stroke engine.

However, these two points apply to any cylinder head:

  • it must be tight
  • it controls compression

Different types of cylinder heads

Each cylinder head is specifically designed for a specific cylinder. You must therefore always make sure that the cylinder head fits the cylinder.

Cooling :

The cylinder head is also partially responsible for cooling the engine. In air-cooled engines it has fins on the outside and in liquid-cooled engines there is chamber for the circulating coolant.

One-piece or two-piece 2-stroke cylinder head

One-piece cylinder heads are the most common, but modular two-piece cylinder heads are also available for 2-stroke engines. The principle is quite simple: the water jacket allows water circulation, while the combustion chamber insert closes off the combustion chamber. The cylinder head can be replaced and modified to achieve different compression ratios and thus different engine behavior.

4-stroke cylinder head

Tuning cylinder heads can also be found for four-stroke engines. Although components optimized for motocross are seldom found on the market (usually they are original components that have been reconditioned to increase performance), there are also racing cylinder heads for scooters and motorcycles. These often have optimized intake and exhaust ports and sometimes even seats for larger valves.

Technical details
Cylinder head Polini 70cc Sport / Corsa Minarelli LC, long reach
Article no.P211.0247
EAN8054705065422
Weight0,34 kg
SeriesSport
BrandPolini
Product typeCylinder head
Displacement70cc
HomologationECE Homologation
StrokeOriginal
Conrod lengthStandard
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