Brand: Polini

140.0207 Polini cylinder kit 70 D47,6 for Derbi GP1 50 2001>2003 2T water cooled

Name: Polini cylinder kit 70 D47,6 for Derbi GP1 50 2001>2003 2T water cooled
Brand: Polini
SKU: 12651
Price: 420.02 EUR
Availability: LimitedAvailability

Code: 140.0207

EAN: 8054705011740

525,03€

-20%

SAVINGS 105,01€

420,02€ VAT PRICE

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Polini cylinder kit Big Evolution 70

Code: 140.0207

The Polini Big Evolution cylinder kit consist of a cylinder in heat treated aluminum to make it non-deformable, the head surface is nickel-plated to prevent the triggering of detonations, CNC machined with centesimal tolerance, so as to have a perfect cylinder / head coupling increasing the durability of components. There are 5 transfer ports plus an exhaust port with crosspiece to improve the elimination of burnt gases. The piston is made of light alloy cast by gravity with a high silicon content with a cast iron segment, ground and lapped, the head is also made cast by gravity, the mechanical resistance can thus be compared to that of a head made from solid.

NB: To assemble the Big Evolution Kit, it is essential to bore the crankcase and replace the crankshaft with the new Polini complete with 85 mm connecting rod specific for each model.

Features:

Specific for: Derbi GP1 50 2001>2003 2T water cooled
Bore:47.6
Stroke: 39,3
Displacement: 69,94
Compression ratio: 15,6:1
Material: Aluminum
The kit must be mounted exclusively with Polini crankshaft COD. 210.0020

Suitable for:

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General Information on Compliance with the European GPSR Regulation

The products included in this supply comply with current regulations on general product safety, in accordance with the European GPSR Regulation.

For detailed information on product compliance, user manual requests, safety data sheets, or any other technical documentation, please contact the manufacturer or importer directly using the following references:

Manufacturer/Importer Contact Information:

Polini Motori S.p.A.

viale Piave 30, 24022, Alzano Lombardo Bergamo - Italia

tel. +39035341477