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Crankshaft kit -BGM Pro Racing full circle web, 54mm stroke, 105mm conrod- conversion crankshaft Vespa PK50 XL/XL2 to 125cc (Ø=20mm cone)

BGM031013
€169.00 *

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: 54 mm
thread rotor side: M12x1,25 right-hand thread
thread drive side: M10x1,5 right-hand thread
diameter crankwebs: 87 mm
diameter bearing seat rotor side: 25 mm
diameter bearing seat drive side: 17 mm
diameter oil seal seat rotor side: 20 mm
diameter oil seal seat drive side: 22.7 mm
full circle crankshaft:
filling material for full circle: steel
rotary valve 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
54 mm long stroke racing crankshaft with 105 mm con rod and crank web diameter of 88 mm....Continue reading

Description


54 mm long stroke racing crankshaft with 105 mm con rod and crank web diameter of 88 mm.
Shortcuts:
  • forged crank webs
  • 54 mm stroke
  • forged CNC con rod, 105 mm length
  • silver cage
  • big end bearing 20 mm diameter
  • bearing seat flywheel side 20 mm
  • delivery incl. 8 mm spacer (to equal the longer con rod)
  • incl. XL cylinder studs
  • made in Europe

For reasons of achieving this longer stroke, the crank web had to increased in size. To fit the 88 mm crank web, the casings have to be machined.
 
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