Cylinder -DR 50 cc Evolution- Minarelli AC (vertical) - BOOSTER, BUMP50, BWS50, SLIDER50, SPY, SR50 (-1994), STUNT, ZUMA50, AMICO | Cylinders | Cylinder | Engines

Preview: Cylinder -DR 50 cc Evolution- Minarelli AC (vertical) - BOOSTER, BUMP50, BWS50, SLIDER50, SPY, SR50 (-1994), STUNT, ZUMA50, AMICO

Description

Cast iron cylinders with a processing on a good level and throughout with the quality of the series cylinder to compare.

The cylinders of the company D.R. (Diffusione Ricambi) enjoy a very good reputation. Already in the shift scooter sector DR has developed powerful cylinders with a long service life at a reasonable price. So one can almost make a general recommendation for the automatic sector for those who want to make their scooter faster without much effort.

The DR differs from its series counterpart by modified control times and above all by larger channel widths, especially the overflow valve. The DR philosophy is to give the cylinders a wide speed band with lots of torque from the lower speed range. This makes the DRs also interesting for tuning mufflers, so there is not much effort required.

The DRs respond very well to further -after-treatment - by a suitable exhaust and carburetor. In this way, the performance is again significantly increased without any loss of reliability.

The cylinder is supplied with all necessary small parts and gaskets.
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€105.95 *

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:	10 mm
Spark plugs
thread type:	M14x1,25
thread spark plug:	short
heat rating NGK:	B7HS
Cylinders
displacement:	49 cm³
bore:	40 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):	5
number of boost ports:	1
shape exhaust port:	single port (oval)
exhaust mounting:	flange
flange type:	2 studs
exhaust bolt pitch:	48 mm
thread exhaust studs:	M6
Crankshafts
stroke:	39.2 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:	G-type
wire size of circlip:	1,0mm
Cylinder heads
cylinder head type:	one piece

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