39.0 mm piston with one piece of 1.5 mm rectangular piston rings with internal circlip (IS) suitable for Zündapp ZX25 / ZA25 / ZA40 / ZL25 / ZS25 / ZE40 / X25 / A25 mopeds, which have a Zündapp engine type 460 installed.
The detailed dimensioning of the piston according to the technical drawing can be found in the details. You can also find out about the relevant piston rings, their positions and locking types on the legend in the pictures.
Tolerance type: CD
The piston kit contains piston pins, piston clips and piston rings.
You will find the corresponding assembly tool, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Original Zündapp spare part number: 250 02 711 040
Quality product from the Italian manufacturer Meteor.
| Nominal diameter | 39 mm |
| Manufacturer | Meteor |
| Ø outside piston (A) | 38.96 mm |
| Compression height (C) | 26 mm |
| Curvature (D) | 1.5 mm |
| Total piston height (E) | 51.5 mm |
| Number of piston rings (F) | 1 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 12 mm |
| Tolerance group | CD |
| Weight piston kit | 79 g |
| Zündapp | ZA 25 / ZA 40 (type 250-460) ZL 25 / ZS 25 / ZX 25 / ZE 40 (type 278-460) |
Ratings
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Total length: 130 mm · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool · Number of components: 7 pcs
23,20 EUR
Moped fans also bought
Hot 
KMC drive chain 415H (reinforced) 128L
Chain pitch: 1/2" x 3/16" · Chain type: 415H · Manufacturer: KMC · Material: Steel · Surface: blank / oiled · Color: gray · Number of chain links: 128 pcs · Rolling circumference: 1626 mm · Chain lock type: Spring lock · Ø bore: 4 mm · Ø Pin: 3.94 mm
14,60 EUR
GPO flywheel trigger M26x1.5 / M22x1.5 | Puch, Sachs, Tomos, Beta 521
Thread type: MF22x1.5 (fine pitch thread) · Thread type: MF26x1.5 (fine pitch thread) · Width across flats trigger: 27 mm · Width across flats Screw: 19 mm · Manufacturer: GPO · Clamping depth: 10 mm · Total length: 55 mm · Total length: 75 mm · Strength class: 8.8 · Area of application: (Dis)assembly tool · Material: Steel · Surface: blackened · Number of components: 1 pcs
11,50 EUR
Hot
Brake cable Ø 1.8 mm x 220 cm (pear-shaped nipple)
Ø nipple: 3.5 mm · Ø nipple: 6 mm · Nipple length: 10 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Number of components: 1 pcs · Ø Stranded wire: 1.8 mm · Nipple shape: Pears · Cable length: 2200 mm · Area of application: Standard
2,80 EUR
BERU breaker with cable (small) | Bosch / Ducati / Minarelli
Manufacturer: BERU · Material: Steel · Area of application: Original · Area of application: Standard · Cable available: Yes · Ø axle: 4 mm · Ø mounting hole: 4.5 mm · Ø Internal flywheel: 80 mm · Number of fixing points: 1 pcs · Pony OEM number: A2496 · Morini OEM number: 29 0026 005 · Morini OEM number: 29 0034 005 · BERU OEM number: 0 340 100 458 · BOSCH OEM number: 2 207 013 005 · BOSCH OEM number: 2 207 110 007 · Minarelli OEM number: 82 000 16 · Fantic OEM number: 320 4500 5150
22,00 EUR
ESJOT sprocket 41 teeth Grimeca (5-hole)
Chain pitch: 1/2" x 3/16" · Chain type: 415H · Manufacturer: ESJOT · Material: Steel · Surface: galvanized (blue) · Color: silver · Ø inside: 98 mm · Number of teeth: 41 pcs · Ø bolt circle: 115 mm · Number of fixing points: 5 pcs · Cranking (offset): 8 mm · Ø mounting hole: 6.5 mm
46,50 EUR
Collection only possible with online purchase and appointment.
