Cylinder -POLINI cast iron 75 cc Racing- Vespa V50, PK50

Preview: Cylinder -POLINI cast iron 75 cc Racing- Vespa V50, PK50

Description

The 75cc Polini Racing is, just like the D.R. 10-channel, a very sporty designed cylinder. Here 6 overcurrents are responsible for a powerful flushing of the cylinder. The coated piston is as obligatory here as the two additional pre-exhaust ports.

The cylinder responds well to a LeoVinci exhaust and larger carburettors.

Here too, super gasoline should be used due to the higher compression of 1:11.9. Polini states a top speed of 90km/h, which can be reached, but requires a well trained screwdriver hand.
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€184.90 *

incl. VAT plus shipping costs

Available immediately (delivery time 1-3 working days*)

P For this item you get fidelity point/s

General
performance class:	sport
Gudgeon pins
diameter:	12 mm
Spark plugs
thread type:	M14x1,25
thread spark plug:	long
heat rating NGK:	B8ES
Cylinders
displacement:	75 cm³
bore:	47 mm
engine type:	2-stroke
type of cooling:	air cooled
material:	cast iron
material piston cylinder surface:	cast iron
cylinder head inclusive:
cylinder gasket set inclusive:
number of transfers (incl.boost ports):	6
number of boost ports:	2
shape exhaust port:	single port (oval)
exhaust mounting:	flange
flange type:	2 studs
exhaust bolt pitch:	52 mm
thread exhaust studs:	M6
Crankshafts
stroke:	43 mm
Pistons
number of piston rings:	2
production method piston:	cast
Piston rings
piston ring type:	common ring
thickness rings:	1,2mm
Circlips
circlip type:	double G-type
wire size of circlip:	1,0mm
Cylinder heads
cylinder head type:	one piece
OEM numbers (for comparison purposes only)
Polini	P140.0053/R, P1400053R, 140.0053/R

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