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Naraku Item number: NK10025
Naraku

Cylinder -NARAKU 50 cc alloy- Kymco, GY6 (4-stroke) (139 QMB) - 39,0mm

35,91 €* 39,90 €
valid until 12/01/2025
9.99 %
 Ready for dispatch in 72h
Shipping weight 1,18 kg
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Well processed grey cast iron cylinder kit for scooters with 50cc Piaggio 4-stroke engines. This Naraku complete kit is particularly suitable for defective original cylinders as a cheap alternative to buying the original spare parts.

The delivery includes piston and gasket set, the original head is reused.

The piston has the friction-minimizing coating for the critical running-in phase, which is common with Naraku cylinders.

Note: We recommend ordering a 0.40 and 0.50 mm base gasket in addition, as the 50cc Piaggio 4-stroke engines have minimal manufacturing tolerances in this respect.
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General
Performance class
Standard
EAN
4250362410245
 
Piston pin
Diameter
13 mm
 
Spark plugs
Thread type
M10x1,00
Thermal value NGK
C7HSA
Spark plug thread
kurz
 
Cylinder
Drill hole
39 mm
Type of cooling
luftgekühlt
Displacement
49 cm³
Motor type
4-Takt
Material
Aluminium
Piston raceway material
Grauguß
Cylinder gasket set included
ja
Cylinder head included
nein
 
Crankshafts
Stroke
41.4 mm
 
Piston
Number of piston rings
3
Piston manufacturing method
gegossen
 
Piston rings
Piston ring type
Rechteck-Ring
 
Piston clips
Piston clip type
G-Typ
Wire gauge Piston clip
1,0mm
 
Matching
Spare parts
Matching
Accessories
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