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Crankshaft -BGM ORIGINAL Standard (rotary valve) 48mm stroke, 105mm conrod- Vespa P80X, PX80

BGM031080G
€139.00 *

incl. VAT plus shipping costs

In stock: can be delivered or picked up in the store
Bearings
sizes: 15x19x20mm
Gudgeon pins
diameter: 15 mm
Crankshafts
stroke: 48 mm
thread rotor side: M11x1,5 right-hand thread
thread drive side: M12x1,5 right-hand thread
diameter crankwebs: 98 mm
diameter bearing seat rotor side: 25 mm
diameter bearing seat drive side: 25 mm
diameter oil seal seat rotor side: 24 mm
diameter oil seal seat drive side: 31 mm
full circle crankshaft:
crankcase has to be milled:
engine casing has to be modified:
Connecting rods
length connecting rod: 105 mm
diameter small end connecting rod eye: 19 mm
P For this item you get fidelity point/s
Basic solid BGM crankshaft for the PX80 models. The PX80 was manufactured for the German market...Continue reading

Description


Basic solid BGM crankshaft for the PX80 models. The PX80 was manufactured for the German market and has only 48mm stroke (PX125 = 57mm). The most common damage to the PX80 engines is a defective lower conrod bearing, mostly caused by long service life or worn conrod thrust washers.

The BGM crankshaft has a solid bearing here and also has no problems with the large tuning cylinders (125cc conversion cylinder, DR135, Malossi 139).

As a special feature, the BGM crankshaft has exactly the same intake control angle as an original Piaggio crankshaft. This makes it perfect as a 1:1 replacement for an original crankshaft. Compared to an original crankshaft, the balancing factor has been improved and the inlet area has been rounded and polished.

The delivery includes the upper connecting rod bearing. New crankshaft bearings and shaft sealing rings can also be ordered if required. Installation tools as well as complete motor revision kits for easy and damage-free installation are of course also available in the shop.

  • Hub: 48mm
    • Piston pin Ø: 15mm
    • Conductor length: 105mm

    Suitable for all PX80 motors (V8X1T/V8X1M)

    TIP: For tuning enthusiasts small block fans we offer this crankshaft also as long stroke shaft with 51mm stroke! Perfect for expanding displacement and increasing performance with Malossi and Co!


    (machine-translated)
     

Ratings


15 May 2019

passt perfekt

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