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BGM ORIGINAL Item number: BGM1403

Crankshaft -BGM ORIGINAL Standard (rotary valve)- Vespa V50, PK50 S (Ø 19mm cone)

3 Ratings

89,00 €*

available immediately

Shipping weight 1,19 kg

Information on product safety

This is how we ensure, that reviews come from real consumers.

Elmar P. from Feldkirch 08/04/2025

Markus N. from Wolfegg 08/14/2025

Uwe C. from Bochum 10/19/2025

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Ball bearing

Dimensions

12x15x15mm

Piston pin

Diameter

12 mm

Crankshafts

Stroke

43 mm

Thread on alternator side

M12x1,25 Rechtsgewinde

Thread on drive side

M10x1,5 Rechtsgewinde

Crank web diameter

87 mm

Crankcase must be spindled

nein

Motor housing must be modified

nein

Rotary vane crankshaft

ja

Length of rotary vane sealing surface on crank web

200 mm

Vespa V50, PV - Control angle short sealing surface (22mm) (°)

125

Vespa PK XL2, ETS - Control angle long sealing surface (28mm) (°

134

Vespa PK XL2, ETS - Control angle long sealing surface (37mm ful

146

Full cheek crankshaft

nein

Wide crank webs

37.8 mm

Bearing seat diameter on alternator side

25 mm

Bearing seat diameter on drive side

17 mm

Diameter of sealing ring seat on alternator side

19 mm

Diameter of sealing ring seat on drive side

22.7 mm

Connecting rod

Connecting rod length

87 mm

Connecting rod strength

4.7 mm

Connecting rod eye top diameter

19 mm

Lifting pin diameter

20 mm

Upper connecting rod eye lubrication hole

ja

Lower connecting rod eye lubrication hole

Nut

Connecting rod thrust washers

ja

Matching

Accessories

Syringe -B.BRAUN Injekt® Solo- PE - 20ml

B.Braun
3331021

Syringe -B.BRAUN Injekt® Solo- PE - 20ml

Flywheel nut M10 x 1.50 (high strength) collar Ø=22x4mm, h=15mm WS=14-BGM PRO- Vespa V50 R (917730-), V50 S (81867-), V90 (194927-), PV125 (194970-), ET3, PK S

BGM PRO
BGM2251

Flywheel nut M10 x 1.50 (high strength) collar Ø=22x4mm, h=15mm WS=14-BGM PRO- Vespa V50 R (917730-), V50 S (81867-), V90 (194927-), PV125 (194970-), ET3, PK S

Flywheel nut M10 x 1.50 (high strength) collar Ø=24mm h=6mm -BGM PRO- Vespa V50(N) (92877-), V50 R (-917729), V50 S (15325-81866),V90 (-194926) , SS50, SS90, PV125 (-194969)

BGM PRO
BGM2253

Flywheel nut M10 x 1.50 (high strength) collar Ø=24mm h=6mm -BGM PRO- Vespa V50(N) (92877-), V50 R (-917729), V50 S (15325-81866),V90 (-194926) , SS50, SS90, PV125 (-194969)

Syringe -B.BRAUN Injekt® Solo- PE - 20ml

B.Braun

B.Braun
3331021

Syringe -B.BRAUN Injekt® Solo- PE - 20ml

Flywheel nut M10 x 1.50 (high strength) collar Ø=22x4mm, h=15mm WS=14-BGM PRO- Vespa V50 R (917730-), V50 S (81867-), V90 (194927-), PV125 (194970-), ET3, PK S

BGM PRO

BGM PRO
BGM2251

Flywheel nut M10 x 1.50 (high strength) collar Ø=22x4mm, h=15mm WS=14-BGM PRO- Vespa V50 R (917730-), V50 S (81867-), V90 (194927-), PV125 (194970-), ET3, PK S

Flywheel nut M10 x 1.50 (high strength) collar Ø=24mm h=6mm -BGM PRO- Vespa V50(N) (92877-), V50 R (-917729), V50 S (15325-81866),V90 (-194926) , SS50, SS90, PV125 (-194969)

BGM PRO

BGM PRO
BGM2253

Flywheel nut M10 x 1.50 (high strength) collar Ø=24mm h=6mm -BGM PRO- Vespa V50(N) (92877-), V50 R (-917729), V50 S (15325-81866),V90 (-194926) , SS50, SS90, PV125 (-194969)

Matching

Customers also bought

O-ring 22x2.5mm fork link/fork -VESPA- V50, V90, SS50, SS90, PV125, ET3

Piaggio
0S14013

O-ring 22x2.5mm fork link/fork -VESPA- V50, V90, SS50, SS90, PV125, ET3

Cylinder -POLINI cast iron 75 ccm Sport- Vespa V50, PK50

Cylinder -POLINI cast iron 75 ccm Sport- Vespa V50, PK50

Intake manifold - for reed valve -POLINI 2-stud reed valve- Vespa V50, PV125 - Ø=19/19mm Dellorto SHB

Intake manifold - for reed valve -POLINI 2-stud reed valve- Vespa V50, PV125 - Ø=19/19mm Dellorto SHB

Cylinder -DR 50 ccm 3 transfer ports- Vespa V50, PK50

Cylinder -DR 50 ccm 3 transfer ports- Vespa V50, PK50

Cluch spring -POLINI 30N/mm- Vespa V50 (V5A1T, V5A2T, V5A3T, V5B1T, V5B2T, V5B3T, V5B4T, V5R1T, V5SA1T), SS50 (V5SS1T), SR50 (V5SS2T), V90 (V9A1T), SS90 (V9SS1T), V90 Racer (V9SS2T), 125 Nuovo (VMA1T), PV125 (VMA2T), ET3 125 (VMB1T), PK 50 (V5X1T), PK 50

Cluch spring -POLINI 30N/mm- Vespa V50 (V5A1T, V5A2T, V5A3T, V5B1T, V5B2T, V5B3T, V5B4T, V5R1T, V5SA1T), SS50 (V5SS1T), SR50 (V5SS2T), V90 (V9A1T), SS90 (V9SS1T), V90 Racer (V9SS2T), 125 Nuovo (VMA1T), PV125 (VMA2T), ET3 125 (VMB1T), PK 50 (V5X1T), PK 50

Locking pin (conical) 3,5x23mm (used for gear selector fork Vespa Smallframe V50, V90, SS50, SS90, PV125, ET3, PK S, PK XL, PX, Cosa, T5 125ccm, Rally, Sprint, TS, GT, GTR, Super, SS180, GS160, GL, VNA, VNB, VBA, VBB, Wideframe GS 150, VM, VN)

OEM-Qualität
1013010

Locking pin (conical) 3,5x23mm (used for gear selector fork Vespa Smallframe V50, V90, SS50, SS90, PV125, ET3, PK S, PK XL, PX, Cosa, T5 125ccm, Rally, Sprint, TS, GT, GTR, Super, SS180, GS160, GL, VNA, VNB, VBA, VBB, Wideframe GS 150, VM, VN)

Center stand rubbers -OEM QUALITY Ø=22mm- Vespa PX, Cosa, Cosa, T5 125cc, PK - black

OEM-Qualität
1050041

Center stand rubbers -OEM QUALITY Ø=22mm- Vespa PX, Cosa, Cosa, T5 125cc, PK - black

Stand feed rubber-OEM QUALITY Ø= 18mm- VESPA 125 VNA1T till VNA2T, VNB2T, VBA1T, VBB1T - black

Stand feed rubber-OEM QUALITY Ø= 18mm- VESPA 125 VNA1T till VNA2T, VNB2T, VBA1T, VBB1T - black

Grommet speedo cable/hub back plate -PIAGGIO- Vespa V50, V90, PV, ET3

Piaggio
1057939

Grommet speedo cable/hub back plate -PIAGGIO- Vespa V50, V90, PV, ET3

Washer -VESPA- 12x20x2,3mm (used for screw gear selector fork Vespa V50, V90, SS50, SS90, PV125, ET3, PK S, PK XL)

Piaggio
1098788

Washer -VESPA- 12x20x2,3mm (used for screw gear selector fork Vespa V50, V90, SS50, SS90, PV125, ET3, PK S, PK XL)

Lock set -PIAGGIO (NOS) (Original NEIMAN) 38.5x4mm- Vespa PX (-1984), V50 Special (V5A2T/V5A3T), GT125(VNL2T 62685-), GTR125 (VNL2T), TS (VNL3T), PV125 (VMA2T 028960-), ET3 (VMB1T), Super 150 (VBC1T) - 2-pcs (steering lock and tool box lock)

Piaggio (NOS)
1139188NOS

Lock set -PIAGGIO (NOS) (Original NEIMAN) 38.5x4mm- Vespa PX (-1984), V50 Special (V5A2T/V5A3T), GT125(VNL2T 62685-), GTR125 (VNL2T), TS (VNL3T), PV125 (VMA2T 028960-), ET3 (VMB1T), Super 150 (VBC1T) - 2-pcs (steering lock and tool box lock)

Delivery date

Gear selector -OEM QUALITY- 4-arms, 3 Gear wheel - Vespa 50N (V5A1T, 92877-), 50L, 50R, 50 Special (V5A2T, V5B3T), Special Elestart (V5B2T, V5A3T), V90 (V9A1T), V100 (V9B1T), PK50HP (V5N2T), PK50N (V5X5T), PK50 Rush (V5X4T), PK100 S (V9X1T)

Fa Italia
1165304

Gear selector -OEM QUALITY- 4-arms, 3 Gear wheel - Vespa 50N (V5A1T, 92877-), 50L, 50R, 50 Special (V5A2T, V5B3T), Special Elestart (V5B2T, V5A3T), V90 (V9A1T), V100 (V9B1T), PK50HP (V5N2T), PK50N (V5X5T), PK50 Rush (V5X4T), PK100 S (V9X1T)

Crankshaft -BGM ORIGINAL Standard (rotary valve)- Vespa V50, PK50 S (Ø 19mm cone)

Crankshaft -BGM ORIGINAL Standard (rotary valve)- Vespa V50, PK50 S (Ø 19mm cone)

Crankshaft -BGM ORIGINAL Standard (rotary valve)- Vespa V50, PK50 S (Ø 19mm cone)

Crankshaft -BGM ORIGINAL Standard (rotary valve)- Vespa V50, PK50 S (Ø 19mm cone)