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Crankshaft

(193 products)
Scooter Crankshafts Bearings and Oil Seals Small End Bearings Crankshaft Accessories
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Product type
Bearing Bearing & gasket tool Connecting rod Crankcase Crankshaft Crankshaft accessories Crankshaft bearing Needle bearing Oil seal Oil seal kit Woodruff key O-ring
Brand
2Fast Airsal Athena Bidalot Derbi Doppler Jasil Malossi MotoForce MotoForce Racing Naraku Ottopuntouno Peugeot Piaggio Polini SKF Stage6 Stage6 R/T Standard Parts Top Performances Yamaha
Price
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Stage6
Crankshaft HPC MK2 Piston Pin Stage6 12mm Yamaha BW's
Article no.: S6-8016805/12
1

Crankshaft HPC MK2 Piston Pin Stage6 12mm Yamaha BW's

189,00 €
In stock soon
RRP
210,00 €
-10% Discount
Stage6
Crankshaft Stage6 Pro Replica 10mm pin Minarelli horizontal
Article no.: S6-8116600

Crankshaft Stage6 Pro Replica 10mm pin Minarelli horizontal

119,00 €
In stock soon
RRP
132,00 €
-10% Discount
Stage6
Crankshaft Stage6 HPC Peugeot vertical
Article no.: S6-8017505

Crankshaft Stage6 HPC Peugeot vertical

179,00 €
In stock soon
RRP
198,00 €
-10% Discount
Stage6
Stage6 Crankshaft Nut M12x1.25mm
Article no.: S6-79140ET03
4

Stage6 Crankshaft Nut M12x1.25mm

5,20 €
In stock soon
Stage6 R/T
Crankshaft Stage6 R/T 44mm stroke / 90mm conrod Piaggio / Vespa
Article no.: S6-7914096

Crankshaft Stage6 R/T 44mm stroke / 90mm conrod Piaggio / Vespa

379,00 €
In stock soon
RRP
421,00 €
-10% Discount
Stage6 R/T
Crankshaft Stage6 R/T 44mm stroke / 90mm conrod Minarelli
Article no.: S6-7916605

Crankshaft Stage6 R/T 44mm stroke / 90mm conrod Minarelli

379,00 €
In stock soon
RRP
421,00 €
-10% Discount
Stage6 R/T
Crankshaft Stage6 R/T 85mm conrod Piaggio
Article no.: S6-7914001

Crankshaft Stage6 R/T 85mm conrod Piaggio

249,00 €
In stock soon
RRP
276,00 €
-10% Discount
Stage6 R/T
Crankshaft Stage6 R/T 90mm conrod Malossi C-One
Article no.: S6-7914010

Crankshaft Stage6 R/T 90mm conrod Malossi C-One

379,00 €
In stock soon
RRP
421,00 €
-10% Discount
2Fast
Crankshaft 2Fast 39,3mm stroke / 85mm conrod Minarelli horizontal
Article no.: TFAST084

Crankshaft 2Fast 39,3mm stroke / 85mm conrod Minarelli horizontal

451,00 €
In stock soon
2Fast
Crankshaft 2Fast 47mm stroke Malossi C-one / RC-one
Article no.: TFAST076

Crankshaft 2Fast 47mm stroke Malossi C-one / RC-one

542,00 €
In stock soon
Doppler
Crankshaft Doppler Endurance 12mm pin Minarelli horizontal
Article no.: CGN449885
3

Crankshaft Doppler Endurance 12mm pin Minarelli horizontal

148,00 €
In stock soon
RRP
155,00 €
-5% Discount
Jasil
Crankshaft reinforced 12mm pin 16mm stub CPI
Article no.: MF30.19505
2

Crankshaft reinforced 12mm pin 16mm stub CPI

108,00 €
In stock soon
MotoForce Racing
Crankshaft Motoforce Racing Peugeot vertical
Article no.: MF30.17502
3

Crankshaft Motoforce Racing Peugeot vertical

116,00 €
In stock soon
Jasil
Crankshaft Jasil China 2-stroke 12mm pin 16mm stub
Article no.: JA6030118

Crankshaft Jasil China 2-stroke 12mm pin 16mm stub

81,50 €
In stock soon
Standard Parts
Crankshaft Motoforce Peugeot vertical after 2004 Euro 2
Article no.: MF30.17600
1

Crankshaft Motoforce Peugeot vertical after 2004 Euro 2

101,00 €
In stock soon
111,00 €
-9% Discount
Jasil
Crankshaft Morini AC
Article no.: MF30.15700
1

Crankshaft Morini AC

87,00 €
In stock soon
Jasil
Crankshaft OEM quality Kymco Cobra / Grand Dink
Article no.: MF30.18500

Crankshaft OEM quality Kymco Cobra / Grand Dink

82,00 €
In stock soon
RRP
89,00 €
-8% Discount
Stage6 R/T
Crankshaft Stage6 R/T 85mm conrod 12mm pin Minarelli horizontal
Article no.: S6-7916601

Crankshaft Stage6 R/T 85mm conrod 12mm pin Minarelli horizontal

249,00 €
Currently not in stock
RRP
276,00 €
-10% Discount
Standard Parts
Crankshaft Oil Seal - 24x43x6mm Kymco
Article no.: OE-KYM20926

Crankshaft Oil Seal - 24x43x6mm Kymco

3,50 €
Currently not in stock
Naraku
Crankshaft Bearings + Seals Kymco Dink / Grand Dink / People / Super 9 / Top Boy / Yup
Article no.: NK100.33

Crankshaft Bearings + Seals Kymco Dink / Grand Dink / People / Super 9 / Top Boy / Yup

37,50 €
Currently not in stock
Naraku
Crankshaft bearings Naraku, Honda
Article no.: NK100.66

Crankshaft bearings Naraku, Honda

42,00 €
Currently not in stock
Derbi
Small End Bearing 12x15x15mm Derbi Euro 3 (D50B0)
Article no.: OE-DE847529
1

Small End Bearing 12x15x15mm Derbi Euro 3 (D50B0)

20,00 €
Currently not in stock
Polini
Crankshaft Oil Seals Polini Evolution Viton® Piaggio
Article no.: P285.0001
4

Crankshaft Oil Seals Polini Evolution Viton® Piaggio

17,00 €
Currently not in stock
RRP
18,00 €
-6% Discount
SKF
Needle Bearing SKF HK1010 10x14x10mm AM6
Article no.: SP-215224

Needle Bearing SKF HK1010 10x14x10mm AM6

4,90 €
Currently not in stock
SKF
Needle Bearing SKF HK1210 12x16x10mm gear selector shaft AM6
Article no.: SP-215223

Needle Bearing SKF HK1210 12x16x10mm gear selector shaft AM6

5,00 €
Currently not in stock
Naraku
Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM vertical (GR1)
Article no.: NK104.07

Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM vertical (GR1)

38,00 €
Currently not in stock
Naraku
Crankshaft Bearings HD + Seals Naraku Kymco / SYM horizontal
Article no.: NK104.26

Crankshaft Bearings HD + Seals Naraku Kymco / SYM horizontal

56,50 €
Currently not in stock
Naraku
Crankshaft Bearings and Oil Seals FKM Naraku Honda X8R
Article no.: NK104.24

Crankshaft Bearings and Oil Seals FKM Naraku Honda X8R

61,00 €
Currently not in stock
Naraku
Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM horizontal
Article no.: NK104.25

Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM horizontal

48,00 €
Currently not in stock
Naraku
Crankshaft Bearing Set Naraku HD Morini 50cc 2T
Article no.: NK104.06

Crankshaft Bearing Set Naraku HD Morini 50cc 2T

38,50 €
Currently not in stock
Naraku
Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM horizontal
Article no.: NK104.02

Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM horizontal

41,50 €
Currently not in stock
Naraku
Crankshaft Bearings HD and Oil Seals FKM Naraku Honda X8R
Article no.: NK104.11

Crankshaft Bearings HD and Oil Seals FKM Naraku Honda X8R

47,00 €
Currently not in stock
48,00 €
-2% Discount
Naraku
Oil Seal Naraku FKM Premium 22x38x6mm
Article no.: NK103.91

Oil Seal Naraku FKM Premium 22x38x6mm

5,40 €
Currently not in stock
Naraku
Oil Seal Naraku FKM Premium 17x30x6mm
Article no.: NK103.47

Oil Seal Naraku FKM Premium 17x30x6mm

5,80 €
Currently not in stock
Standard Parts
Crankshaft Bearings and Oil Seals Yamaha Aerox 4-stroke
Article no.: SP-49395

Crankshaft Bearings and Oil Seals Yamaha Aerox 4-stroke

29,50 €
Currently not in stock
30,50 €
-3% Discount
Standard Parts
Oil seals crankshaft PGO Big Max
Article no.: MF96.00038

Oil seals crankshaft PGO Big Max

6,20 €
Currently not in stock
Standard Parts
Crankshaft Bearings and Oil Seals PGO Big Max
Article no.: MF33.18600

Crankshaft Bearings and Oil Seals PGO Big Max

30,00 €
Currently not in stock
Yamaha
Small End Bearing 10x14x13mm Minarelli
Article no.: OE-MIN93310210X400

Small End Bearing 10x14x13mm Minarelli

28,50 €
Currently not in stock
2Fast
Crankshaft 2Fast 47mm stroke / 95mm conrod Minarelli horizontal
Article no.: TFAST087

Crankshaft 2Fast 47mm stroke / 95mm conrod Minarelli horizontal

454,00 €
Currently not in stock
2Fast
Connecting Rod 2Fast 95mm pin 18 x 37mm Minarelli
Article no.: TFAST142

Connecting Rod 2Fast 95mm pin 18 x 37mm Minarelli

209,00 €
Currently not in stock
2Fast
Connecting Rod 2Fast 100mm pin 18 x 41mm Piaggio
Article no.: TFAST130

Connecting Rod 2Fast 100mm pin 18 x 41mm Piaggio

209,00 €
Currently not in stock
2Fast
Connecting Rod 2Fast 95mm crankpin 18x41mm
Article no.: TFAST065-ET01

Connecting Rod 2Fast 95mm crankpin 18x41mm

209,00 €
Currently not in stock
2Fast
Crankshaft 2Fast 39,3mm stroke / 90mm conrod C-One / P.R.E.
Article no.: TFAST070

Crankshaft 2Fast 39,3mm stroke / 90mm conrod C-One / P.R.E.

519,00 €
Currently not in stock
2Fast
Crankshaft 2Fast HQ 85mm connecting rod Piaggio
Article no.: TFAST062

Crankshaft 2Fast HQ 85mm connecting rod Piaggio

483,00 €
Currently not in stock
Malossi
Crankshaft Malossi MHR Team 44mm stroke / 90mm conrod Piaggio
Article no.: M5316029

Crankshaft Malossi MHR Team 44mm stroke / 90mm conrod Piaggio

622,00 €
Currently not in stock
Polini
Crankshaft Polini PRE4 100cc Piaggio / Minarelli
Article no.: P210.0086

Crankshaft Polini PRE4 100cc Piaggio / Minarelli

612,00 €
Currently not in stock
RRP
719,00 €
-15% Discount
Malossi
Crankshaft Malossi MHR RHQ Peugeot horizontal
Article no.: M5312781
3

Crankshaft Malossi MHR RHQ Peugeot horizontal

366,00 €
Currently not in stock
RRP
376,00 €
-3% Discount
Top Performances
Crankshaft Top Performances 44mm stroke / 85mm conrod Piaggio
Article no.: T9934920

Crankshaft Top Performances 44mm stroke / 85mm conrod Piaggio

179,00 €
Currently not in stock
RRP
231,00 €
-23% Discount
Malossi
Crankshaft Malossi MHR Team Replica 85mm conrod Piaggio
Article no.: M539212
1

Crankshaft Malossi MHR Team Replica 85mm conrod Piaggio

349,00 €
Currently not in stock
RRP
393,00 €
-11% Discount
Ottopuntouno Racing Parts
Crankshaft Ottopuntouno 8.1 Malossi RC-One
Article no.: OPU005

Crankshaft Ottopuntouno 8.1 Malossi RC-One

649,00 €
Currently not in stock
Malossi
Crankshaft Malossi MHR RHQ Italjet Formula / Suzuki AP
Article no.: M538631
4

Crankshaft Malossi MHR RHQ Italjet Formula / Suzuki AP

314,00 €
Currently not in stock
RRP
354,00 €
-11% Discount
Naraku
Crankshaft Naraku Racing HPC CPI / Keeway / China 2T Euro 2
Article no.: NK105.18

Crankshaft Naraku Racing HPC CPI / Keeway / China 2T Euro 2

107,00 €
Currently not in stock
112,00 €
-4% Discount
Polini
Crankshaft Polini 10mm KoBo Minarelli liegend
Article no.: P210.0084

Crankshaft Polini 10mm KoBo Minarelli liegend

147,00 €
Currently not in stock
RRP
173,00 €
-15% Discount
Polini
Crankshaft Polini For Race Piaggio
Article no.: P210.0082

Crankshaft Polini For Race Piaggio

142,00 €
Currently not in stock
RRP
167,00 €
-15% Discount
Athena
Crankshaft Athena stroke 43mm / conrod 85mm Minarelli
Article no.: AT-S410485320004

Crankshaft Athena stroke 43mm / conrod 85mm Minarelli

145,00 €
Currently not in stock
Malossi
Crankshaft 47mm stroke 100mm conrod Malossi Testa Rossa FL100
Article no.: M5318730

Crankshaft 47mm stroke 100mm conrod Malossi Testa Rossa FL100

756,00 €
Currently not in stock
RRP
815,00 €
-7% Discount
Naraku
Crankshaft Naraku Honda X8R / Sky
Article no.: NK105.11

Crankshaft Naraku Honda X8R / Sky

80,50 €
Currently not in stock
Polini
Crankshaft Polini For Race 10mm pin Minarelli vertical
Article no.: P210.0049

Crankshaft Polini For Race 10mm pin Minarelli vertical

145,00 €
Currently not in stock
RRP
170,00 €
-15% Discount
Naraku
Crankshaft Naraku HQ, GY6 139QMB/QMA, 16 teeth
Article no.: NK100.81
1

Crankshaft Naraku HQ, GY6 139QMB/QMA, 16 teeth

111,00 €
Currently not in stock
Doppler
Crankshaft Doppler S1R Peugeot horizontal
Article no.: CGN464918
1

Crankshaft Doppler S1R Peugeot horizontal

146,00 €
Currently not in stock
RRP
159,00 €
-8% Discount
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Scooter Crankshafts: Reliability and Performance

The cranktrain primarily refers to the crankshaft, crankshaft bearings, and oil seals. In our online shop, this category also includes piston pin bearings (small end bearings) as well as matching spare parts and accessories.

The crankshaft and its components require special attention regarding performance and reliability.

All components are available for the most popular models (Yamaha Aerox and Jog R, Piaggio Zip, NRG and Typhoon, Peugeot Kisbee and TKR, etc.) with engines from Minarelli, Piaggio, Peugeot, Kymco, Morini, or GY6.

Crankshaft

The crankshaft is the central component of the cranktrain. It must always match the cylinder: the more powerful the cylinder, the more robust the crankshaft should be. Depending on the setup, it is also important to ensure that the stroke and connecting rod length are compatible, as effective engine tuning is precision work.

To make selection easier, we have divided cylinders and crankshafts into performance levels: Original, Sport, Racing, and High-End.

We offer crankshafts from renowned brands such as Stage6, Stage6 R/T, Motoforce, Malossi, Polini, 2Fast, and many others.

Crankshaft Bearings and Oil Seals

Even in stock engines, it is usually not the crankshaft itself that wears out, but rather the bearings and oil seals. These should be replaced regularly, not only in tuned engines but also in original setups.

For tuned engines, reinforced bearings are explicitly recommended.

Our range includes brands such as Stage6 R/T, SKF, Polini, and Motoforce.

small end Bearings and Accessories

The small end bearing (needle bearing) is usually replaced together with the piston. However, since it sits on the connecting rod and its size also depends on it, it is assigned to the crankshaft category.

Warning: Always check for the correct size! Some cylinder kits use larger piston pins than the original.

Accessories include replacement connecting rods, woodruff keys (standard or offset for adjusting ignition timing), shims, and other specific components.

FAQ – Frequently Asked Questions about Crankshafts

→ Do I need to replace the crankshaft when increasing displacement? Yes. Original crankshafts are generally not designed for higher torque and increased RPM and should be replaced with a reinforced or racing version.

→ Can I replace the crankshaft myself? This is a demanding task that requires special tools. Without experience, it is recommended to leave this task to a professional to avoid damage. If you want to do it yourself, follow the workshop manual closely or use appropriate guides / tutorials.
Note: The same special tools are required for changing bearings and oil seals.

→ How do I recognize worn bearings? Strong, unusual vibrations throughout the vehicle are a typical sign. Often, a grinding or rumbling noise can be heard while the engine is running.

→ How do I recognize defective oil seals? Leaking oil seals allow false air into the engine, leading to a lean mixture. Typical symptoms include unstable idling, poor engine performance, and a light-colored / whitish spark plug.

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