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Crankshaft High-End Puch X30 / Z50 +1mm hub Swiing

€ 179,50
Ex Tax: € 148,35
Puchshop Directly available Not in stock
Model: 203377
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Description

Crankshaft High-End Puch X30 / Z50 engines +1mm hub Swiing

High end racing crankshaft suitable for manual Puch X30 NS / NL Z50 engines (airstream cooling).Attention: Not suitable for Puch X30 Velux engines (fan cooling)! 

High-quality and accurately fitting full cheek crankshaft weighing 942 grams, which has proven itself in a wide variety of load tests. This was designed for use in engines with a large power increase. All balancing holes in the cheeks were closed with aluminium inserts for maximum pre-compression. The solid connecting rod is equipped with a more stable Ø 16 mm connecting rod pin, which is hollow inside for better balancing. In addition, the connecting rod bearings are silver bearings, which have excellent emergency running properties.

When using this crankshaft, please note the following:

  • The use of a 0.5 mm thick hub plate is essential to compensate for the additional stroke. In addition, we recommend using sealant between the seal and the housing/cylinder. You will also find a suitable sealant in the accessories section.
  • When fitting, pay attention to the distance between piston and cylinder head at TDC. This should not be less than 1 mm.
  • Due to the longer stroke, the pressure in the crankcase increases. Therefore, the ignition-side oil seal should either be glued in place with 2K adhesive or secured with a retaining plate.
  • Running in the crankshaft: Run the engine for 30 min under low load with a slightly richer mixture.
  • When using 45 mm cylinder kits, depending on the model, pre-compressed air may enter the intake port through the holes in the piston on UT.

Dimensions:

    • A: 14mm / 10⌀
    • B: 53mm / 17⌀
    • C: 34mm
    • D: -
    • E: 20mm / 17⌀
    • F: 30mm / 15⌀
    • G: 8mm / 10⌀
    • H: 70mm
    • I:  7mm
    • J: 15mm
    • K: 90mm
    • L: 16mm
    • Stroke: 44 mm (+1 mm to original shaft)
    • Weight (incl. connecting rod): 942 grammes
    • The needle bearing (12/15 x14.2 mm) is included.
    • The matching bearings and oil seals can be found in the accessories section.

    Made by the quality brand swiing - swiss ingenious.

    For bearings, seals, etc. see related products at the bottom of this page. 

    View more Read more
    Brand:Swiing
    Model:203377
    Category: Engine parts
    Type product: Crankshaft
    Type product: Crankshafts
    Engine parts
    Motor:Z50
    Weight:1000 gram

    Swiing stands for "Swiss ingenious". Swiing from Switzerland develops high-quality parts for vintage mopeds of almost all brands so also for Puch, top quality from the land of precision.

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