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Piaggio Item number: 1288989

Cylinder -PIAGGIO 50 ccm- Piaggio AC 2-stroke

4 Ratings

112,00 €*

available immediately

Shipping weight 1,64 kg

Information on product safety

PIAGGIO cylinder 50 cc for air-cooled 2-stroke engines

Spare part in the usual good OEM quality. This means peace of mind for many tens of thousands of kilometers!

This is how we ensure, that reviews come from real consumers.

Frank K. 03/30/2026

Sven W. 12/14/2025

Kevin B. 06/10/2025

Anonym 08/06/2017

Danke Schön! Gerne wieder!

General

Performance class

Standard

Piston pin

Diameter

12 mm

Spark plugs

Thread type

M14x1,25

Thermal value NGK

B9ES

Spark plug thread

lang

Cylinder

Drill hole

40 mm

Type of cooling

luftgekühlt

Displacement

49 cm³

Motor type

2-Takt

Material

Grauguß

Piston raceway material

Grauguß

Cylinder gasket set included

nein

Cylinder head included

nein

Outlet shape

1-teilig (oval)

Exhaust assembly

Flansch

Flange type

mit Konus

Distance between exhaust studs

46 mm

Threaded exhaust studs

M6

Number of boost ports

1

Number of transfers (incl. boost ports)

5

Crankshafts

Stroke

39.3 mm

Piston

Number of piston rings

2

Piston manufacturing method

gegossen

Piston rings

Piston ring type

Rechteck-Ring

Piston ring thickness

1,2mm

Piston clips

Piston clip type

C-Typ

Wire gauge Piston clip

1,0mm

OEM numbers (for comparison purposes only)

Piaggio:

286810, 487820, 488120, 831116

Matching

Spare parts

Piston -BGM ORIGINAL- Piaggio 50cc - 40.0mm

BGM ORIGINAL
5660048

Piston -BGM ORIGINAL- Piaggio 50cc - 40.0mm

Piston -PIAGGIO- Piaggio 50cc - 40.0mm

Piaggio
7671446

Piston -PIAGGIO- Piaggio 50cc - 40.0mm

Circlip for gudgeon pin -12mm x 1mm- C type

Malossi
9010009

Circlip for gudgeon pin -12mm x 1mm- C type

Circlip for gudgeon pin -12mm x 1.00mm- double G type

Circlip for gudgeon pin -12mm x 1.00mm- double G type

Cylinder gasket set -ITALKIT 50cc- Piaggio 50cc AC

Italkit
IKVJ641

Cylinder gasket set -ITALKIT 50cc- Piaggio 50cc AC

Cylinder gasket set -BGM ORIGINAL 50cc- Piaggio 50cc AC

BGM ORIGINAL
R100689040

Cylinder gasket set -BGM ORIGINAL 50cc- Piaggio 50cc AC

Matching

Accessories

Spark plug -NGK B ES- B9ES

Spark plug -NGK B ES- B9ES

Spark plug -NGK BR ES- BR9ES

Spark plug -NGK BR ES- BR9ES

Small end needle bearing -ITALKIT (12x17x15mm)- Piaggio 50cc, Vespa 50cc - silver cage

Italkit
7671695

Small end needle bearing -ITALKIT (12x17x15mm)- Piaggio 50cc, Vespa 50cc - silver cage

exhaust stud bolt set -NARAKU- incl. nuts - M6x32mm

exhaust stud bolt set -NARAKU- incl. nuts - M6x32mm

Mounting paste -WEICON Anti Seize- white, 5g

Mounting paste -WEICON Anti Seize- white, 5g

Stud set -M6 x 107mm- (used for cylinder Piaggio 50 cc 2-stroke, Minarelli 50 cc (vertical), Morini 50 cc (type AH)) - BOOSTER, BUMP50, BWS50, SLIDER50, SPY, SR50 (-1994), STUNT, ZUMA50, AMICO

OEM-Qualität
9901117

Stud set -M6 x 107mm- (used for cylinder Piaggio 50 cc 2-stroke, Minarelli 50 cc (vertical), Morini 50 cc (type AH)) - BOOSTER, BUMP50, BWS50, SLIDER50, SPY, SR50 (-1994), STUNT, ZUMA50, AMICO

Small end needle bearing -BGM ORIGINAL (12x17x13mm)- Piaggio 50cc, Vespa 50cc, Honda 50cc, Kymco 50cc, SYM 50cc

BGM ORIGINAL
BGM0333

Small end needle bearing -BGM ORIGINAL (12x17x13mm)- Piaggio 50cc, Vespa 50cc, Honda 50cc, Kymco 50cc, SYM 50cc

Work gloves - mechanics gloves - protective gloves -BGM PRO-tection- seamless knitted gloves, 100% nylon with polyurethan coating - size L (9)

BGM PRO
BGM0400L

Work gloves - mechanics gloves - protective gloves -BGM PRO-tection- seamless knitted gloves, 100% nylon with polyurethan coating - size L (9)

Cylinder head -OEM QUALITY 50 cc- Piaggio AC

OEM-Qualität
G70010

Cylinder head -OEM QUALITY 50 cc- Piaggio AC

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Mirror -CUPPINI- Vespa 30cm - left hand side

AMS Cuppini
1050215

Mirror -CUPPINI- Vespa 30cm - left hand side

Mirror -CUPPINI- Vespa 30cm - right hand side

AMS Cuppini
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Mirror -CUPPINI- Vespa 30cm - right hand side

Engine gasket set/cylinder -PIAGGIO- Piaggio 50/80cc AC

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Needle roller bearing -HK 0912- (09x13x12mm) - (used for clutch shaft/clutch cover Vespa V50 (1978-), PV125 (1978-), ET3 (1978-), PK S, PK XL)

Needle roller bearing -HK 0912- (09x13x12mm) - (used for clutch shaft/clutch cover Vespa V50 (1978-), PV125 (1978-), ET3 (1978-), PK S, PK XL)

Piston ring -PIAGGIO- Piaggio 50cc - Ø=40.0mm

Piaggio
1239403

Piston ring -PIAGGIO- Piaggio 50cc - Ø=40.0mm

Speedo cable -OEM QUALITY- Vespa GS150 VS1-5 (-71024), GL150 (1963)

OEM-Qualität
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Speedo cable -OEM QUALITY- Vespa GS150 VS1-5 (-71024), GL150 (1963)

Oil pump gear crankshaft -PIAGGIO- Piaggio 50-80 ccm 2-stroke

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Toothed drive belt oil pump -PIAGGIO- Piaggio 50 cc 2-stroke, Piaggio 80 cc 2-stroke

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Oil pump gear Oil pump -PIAGGIO- Piaggio 50-150 ccm 2-stroke AC

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Oil pump gear Oil pump -PIAGGIO- Piaggio 50-150 ccm 2-stroke AC

Throttle slide -DELLORTO PHVA / PHBN 17,5- (40) - H=30mm, Ø=16mm

Dellorto
1384040

Throttle slide -DELLORTO PHVA / PHBN 17,5- (40) - H=30mm, Ø=16mm

Carburettor gasket set -DELLORTO- PHVA

Dellorto
1498409

Carburettor gasket set -DELLORTO- PHVA

Cylinder -PIAGGIO 50 ccm- Piaggio AC 2-stroke

Cylinder -PIAGGIO 50 ccm- Piaggio AC 2-stroke

Cylinder -PIAGGIO 50 ccm- Piaggio AC 2-stroke

Cylinder -PIAGGIO 50 ccm- Piaggio AC 2-stroke

Cylinder -PIAGGIO 50 ccm- Piaggio AC 2-stroke