Vespa PK 125cc Primavera ET3 135cc POLINI Reed Evolution Cylinder Kit
Vespa PK 125cc Primavera ET3 135cc POLINI Reed Evolution Cylinder Kit
Vespa PK 125cc Primavera ET3 135cc POLINI Reed Evolution Cylinder Kit
Vespa PK 125cc Primavera ET3 135cc POLINI Reed Evolution Cylinder Kit
Vespa PK 125cc Primavera ET3 135cc POLINI Reed Evolution Cylinder Kit

Vespa PK 125cc Primavera ET3 135cc POLINI Reed Evolution Cylinder Kit

Product code: BD04004
Sale price£379.99
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Vespa PK 125cc Primavera ET3 135cc POLINI Reed Evolution Cylinder Kit

2QL Pyewipe Road

Pickup currently unavailable

2QL Pyewipe Road
Unit 1
Grimsby DN31 2QL
United Kingdom

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Beedspeed Ltd
Unit 1, Pyewipe Road
Grimsby
DN31 2QL
United Kingdom
 
Shop Open
9:00 - 17:00, Monday to Saturday
 
Order Line and Technical Help  
Tel: 01472 355 558 (option 1)
From outside the UK Tel:  +44 1472 355 558

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Please ring the Post Room 
Tel:  01472 355 558 (option 3)
From outside the UK Tel: +44 1472 355 558
 
For Internet Placed Orders Status Checking
Tel: 01472 355 558 (option 2)
Outside UK Tel: +44 1472 355 558

Vespa - Cylinder Kit - Polini - 135cc Evolution

Alloy with new design Cylinder Head

Reed Valve Induction

57mm Bore

Polini has designed a new Evolution kit with reed valve induction. This creates an engine that is really powerful in every kind of driving condition including racing. The "Reed Evolution" kit includes cylinder, piston, head, reed valve intake manifold and a gasket kit.
The reed valve has 6 carbon flaps on 0.4mm thicknessand the geometry of the flow guide allows it to improve the air-petrol mixtures incoming speed.
The intake manifold has been developed to be matched with the PWK polini carburettor (Available to order in 3 different sizes 24/26/28mm) To be able to fit this kit it is a requirement to bore the crankshaft housing within the case, and change the crankshaft from standard to a Polini Evo full circle 52.8mm stroke crank 
By fitting these parts you achieve a most out of the 135cc of displacement according to the sprint scooters races' rules.
It can be used with the Polini muffler Listed
Or to achieve the maximum performance it should be assembled with the Polini Evolution 2 muffler 

Technical Features
Cylinder is cast aluminium.
The liner with Nickel-Siliceous coating improves piston sliding its resistance to wear and abrasion.
The transfer ports are designed for racing. It has 6 transfers. The transfer has a central bridge for better exhaust gas scavenging.
The piston is gravity cast in light alloy and it has two "S10" chromed cast iron rings.
After its working the piston has been covered with special molybdenum-bisulphide coating that improves the piston sliding during the running in period.
The head is cast in one piece only and some fins have been made under the head plane in order to improve the heat dissipation.

As pictured

VESPA 100
VESPA 100 SPORT
VESPA 90
VESPA 90 RACER
VESPA 90 SS
VESPA ET3
VESPA PK 100 S
VESPA PK 100 XL
VESPA PK 125 ETS
VESPA PK 125 S
VESPA PRIMAVERA
VESPA 50 with Primavera crankshaft fitted.

OEM: 140.0218

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Please review our Returns Information or Contact Us if you have any queries.

Returns & Refunds

We're committed to providing a great customer service and wish our customers to be 100% satisfied with purchases. 

Please review our Returns Information or Contact Us if you have any queries.

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Secure Payment

All our orders are 100% secure. We know this because our e-commerce system is Level 1 PCI compliant and uses 128 bit SSL encryption to ensure credit card data is secure.

Which is the same level of encryption used by large banks around the world.