BGM

Crankshaft Long Stroke BGM Evolution 2 55mm Stroke 110mm Conrod | Piaggio Maxi 2-stroke, Aprilia SR125, Gilera Runner 125FX, 180FXR, Italjet Dragster 125, 180, Piaggio SKR125, SKR150, TPH125, Skipper125, Skipper150, Hexagon 125EX, 150E

In stock
SKU: BGM038026
Regular price €220.95
Shipped in 1-2 days if in stock.

PRODUCT DESCRIPTION 

Crankshaft Long Stroke BGM Evolution 2 55mm Stroke 110mm Conrod

INFORMATION 

The BGM EVOLUTION crankshafts are very cleanly processed and convince with well-thought-out details:

  • performance-optimized solid beam design
  • well balanced (special balancing only available on BGM PRO shafts)
  • stable connecting rod
  • available with 52mm (std.) and 55mm stroke

The long stroke version with 55mm stroke has a longer connecting rod (110mm instead of 105mm as series). This provides a smoother running, less piston load and more leeway for adjusting the cylinder control angle.

Crankshaft Long Stroke BGM Evolution 2 55mm Stroke 110mm Conrod

Bearings
sizes: 16x20x20mm
Gudgeon pins
diameter: 16 mm
Crankshafts
stroke: 55 mm
thread rotor side: M12x1,25 right-hand thread
thread drive side: M12x1,25 right-hand thread
diameter crankwebs: 90 mm
width crankwebs: 46.4 mm
diameter bearing seat rotor side: 25 mm
diameter bearing seat drive side: 25 mm
diameter oil seal seat rotor side: 25 mm
diameter oil seal seat drive side: 25 mm
full circle crankshaft:
filling material for full circle: steel
material balancing weights: copper
rotary valve crankshaft:
crankcase has to be milled:
engine casing has to be modified:
diameter variator pivot: 17 mm
variator pivot type: toothed
can be used with genuine variator: yes
Connecting rods
length connecting rod: 110 mm
thickness connecting rod: 5.5 mm
diameter small end connecting rod eye: 20 mm
lubricating hole at small end bearing: yes
diameter crankpin: 20 mm
lubricating hole at crankpin bearing: slot
crankpin shims: yes

FITMENT 

  • Aprilia SR 125 (1999-2001, ZD4PX)
  • Aprilia SR 150 (1999-2001, ZD4PX000)
  • Gilera Runner 125 FX (1997, ZAPM07000)
  • Gilera Runner 125 FX (1999, ZAPM07000)
  • Gilera Runner 125 FX (2000, ZAPM07000)
  • Gilera Runner 125 FX (2001, ZAPM07000)
  • Gilera Runner 125 FX (2002, ZAPM07000)
  • Gilera Runner 125 FX (2003, ZAPM07000)
  • Gilera Runner 180 FXR (1999, ZAPM08000)
  • Gilera Runner 180 FXR (2000, ZAPM08000)
  • Gilera Runner 180 FXR (2001, ZAPM08000)
  • Gilera Runner 180 FXR (2002, ZAPM08000)
  • Gilera Runner 180 FXR (2003, ZAPM08000)
  • Gilera Runner 180 FXR (1997, ZAPM08000)
  • Italjet Dragster 125
  • Italjet Dragster 180
  • Piaggio Hexagon 125 (1997, EXS1T)
  • Piaggio Hexagon 125 (1998, EXS1T)
  • Piaggio Hexagon 125 (1996, EXS1T)
  • Piaggio Hexagon 125 LX (1998, ZAPM05000)
  • Piaggio Hexagon 150 (1995, EXV1T)
  • Piaggio Hexagon 150 (1996, EXV1T)
  • Piaggio Hexagon 150 (1997, EXV1T)
  • Piaggio Hexagon 150 (1998, EXV1T)
  • Piaggio Hexagon 150 (1994, EXV1T)
  • Piaggio Hexagon 180 LXT (1998, ZAPM06000)
  • Piaggio Hexagon 180 LXT (2000, ZAPM06000)
  • Piaggio Hexagon 180 LXT (1999, ZAPM06000)
  • Piaggio Skipper 125 (2-stroke, 1998, ZAPM12000)
  • Piaggio Skipper 125 (2-stroke, 1999, ZAPM12000)
  • Piaggio Skipper 125 (2-stroke, 2000, ZAPM12000)
  • Piaggio Skipper 150 (2-stroke, 1998, ZAPM13000)
  • Piaggio SKR 125 (1995, CSM1T)
  • Piaggio SKR 125 (1996, CSM1T)
  • Piaggio SKR 125 (1997, CSM1T)
  • Piaggio SKR 150 (1996, CVM1T)
  • Piaggio SKR 150 (1997, CVM1T)
  • Piaggio SKR 150 (1998, CVM1T)
  • Piaggio Typhoon 125 (1995, ZAPM02000)
  • Piaggio Typhoon 125 (1996, ZAPM02000)
  • Piaggio Typhoon 125 (1997, ZAPM02000)
  • Piaggio Typhoon 125 (1998, ZAPM02000)
  • Piaggio Typhoon 125 X (2000, ZAPM02000)
  • Piaggio Typhoon 125 XR (2002, ZAPM02000)
  • Piaggio Typhoon 125 XR (2003, ZAPM02000)
  • Piaggio Typhoon 125 XR (2001, ZAPM02000)

Crankshaft Long Stroke BGM Evolution 2 55mm Stroke 110mm Conrod