汽缸+活塞套件

適用車型：VESPA 125 2T PRIMAVERA / ET3 PRIMAVERA

POLINI LAMELLAR THERMAL GROUP KIT
Code: 140.0227
Cylinder material: Aluminum
Compatible with: Vespa 125 2T Primavera
                                                   125 2T Primavera ET3The thermal unit is not approved for road use
Thanks to its 152 cc displacement it has very high power characteristics in all conditions of use and in any type of competition.
The barrel with Nikel-Silicon coating improves the sliding of the piston, resistance to wear and abrasion.
The exhaust has a central crosspiece to increase the evacuation of exhaust gases.
The gravity cast aluminum piston has two S10 cast iron rings with chromium plating.
The reed valve has 6 carbon petals 0.4 mm thick and the particular geometry of the flow guide insert increases the entry speed of the air-fuel mixture.
The intake manifold was developed to be housed in the original compartment without making any changes.

Technical features:
- Diameter: 60 mm
- Stroke: 54 mm
- Displacement: 152 cc

ATTENTION: For the correct assembly of the kit, we recommend that you contact a competent and authorized workshop or an experienced and qualified mechanic.
NOTE: To mount the kit it will be necessary to bore the crankshaft seat in the crankcase and change the crankshaft with the product Cod. 210.0070 available in our store.
NOTE: inside the package there are cylinder, head, piston, reed valve, intake manifold and all the small parts necessary for correct assembly.
NB: The photos are purely indicative for illustrative purposes of the product
FOR ANY INFORMATION DO NOT HESITATE TO CONTACT US

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