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Crankshafts

(103 products)
Crankshaft Crankshafts Bearings and Oil Seals Small End Bearings Crankshaft Accessories
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103
103
products
found
103
103
products
found
Tuning level
Original Sport Racing High-end
Piston pin
10 mm 12 mm 13 mm 14 mm
Stroke
Original 41,5 mm 43 mm 44 mm 45 mm 45,8 mm 47 mm
Conrod length
Standard 85 mm 90 mm 95 mm 100 mm
Brand
2Fast Airsal Athena Doppler Jasil Malossi MotoForce MotoForce Racing Naraku Ottopuntouno Peugeot Piaggio Polini Stage6 Stage6 R/T Standard Parts Top Performances Yamaha
Price
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Jasil
Crankshaft OEM quality Kymco Cobra / Grand Dink
Article no.: MF30.18500

Crankshaft OEM quality Kymco Cobra / Grand Dink

82,00 €
In stock
RRP
89,00 €
-8% Discount
Standard Parts
Crankshaft OEM quality Suzuki Katana (Morini AC)
Article no.: MF30.15100

Crankshaft OEM quality Suzuki Katana (Morini AC)

54,50 €
In stock
Standard Parts
Crankshaft OEM quality Yamaha Aerox 4-stroke
Article no.: CGN519894

Crankshaft OEM quality Yamaha Aerox 4-stroke

67,50 €
In stock
Piaggio
Crankshaft original Piaggio 50cc 2T
Article no.: OE-PIA4316255

Crankshaft original Piaggio 50cc 2T

87,00 €
In stock
MotoForce
Crankshaft Motoforce Peugeot vertical
Article no.: MF30.17500
3

Crankshaft Motoforce Peugeot vertical

63,50 €
In stock soon
65,00 €
-2% Discount
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 horizontal
Article no.: S6-8017801

Crankshaft Stage6 HPC Peugeot horizontal

169,00 €
In stock soon
RRP
187,00 €
-10% 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 €
In stock soon
RRP
276,00 €
-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

458,00 €
In stock soon
Ottopuntouno Racing Parts
Crankshaft Ottopuntouno 8.1 Malossi RC-One
Article no.: OPU005

Crankshaft Ottopuntouno 8.1 Malossi RC-One

611,00 €
In stock soon
Malossi
Crankshaft 47mm stroke 100mm conrod Malossi Testa Rossa FL100
Article no.: M5318730

Crankshaft 47mm stroke 100mm conrod Malossi Testa Rossa FL100

756,00 €
In stock soon
RRP
815,00 €
-7% Discount
Malossi
Crankshaft Malossi MHR RHQ 10mm pin Minarelli horizontal
Article no.: M537891
10

Crankshaft Malossi MHR RHQ 10mm pin Minarelli horizontal

246,00 €
In stock soon
RRP
273,00 €
-10% Discount
Malossi
Crankshaft Malossi MHR RHQ Piaggio
Article no.: M537600
15

Crankshaft Malossi MHR RHQ Piaggio

262,00 €
In stock soon
RRP
284,00 €
-8% Discount
Stage6
Crankshaft Stage6 HPC MK2 12mm pin Minarelli horizontal
Article no.: S6-8016601/12
1

Crankshaft Stage6 HPC MK2 12mm pin Minarelli horizontal

189,00 €
Currently not in stock
RRP
210,00 €
-10% Discount
Stage6
Crankshaft Stage6 HPC MK2 10mm pin Minarelli horizontal
Article no.: S6-8016601
3

Crankshaft Stage6 HPC MK2 10mm pin Minarelli horizontal

179,00 €
Currently not in stock
RRP
198,00 €
-10% Discount
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 €
Currently not in stock
RRP
421,00 €
-10% Discount
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
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
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
Crankshaft 2Fast 47mm stroke Malossi C-one / RC-one
Article no.: TFAST076

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

542,00 €
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
2Fast
Crankshaft 2Fast 45,8mm stroke / 90mm conrod Minarelli horizontal
Article no.: TFAST034

Crankshaft 2Fast 45,8mm stroke / 90mm conrod Minarelli horizontal

452,00 €
Currently not in stock
RRP
466,00 €
-3% Discount
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
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
Polini
Crankshaft Polini For Race 12mm pin Minarelli horizontal
Article no.: P210.0084/12

Crankshaft Polini For Race 12mm pin Minarelli horizontal

147,00 €
Currently not in stock
RRP
172,00 €
-15% Discount
Polini
Crankshaft Polini For Race Minarelli vertical 12mm pin
Article no.: P210.0049/12

Crankshaft Polini For Race Minarelli vertical 12mm pin

157,00 €
Currently not in stock
RRP
170,00 €
-8% Discount
Jasil
Crankshaft reinforced 12mm pin 16mm stub CPI
Article no.: MF30.19505
2

Crankshaft reinforced 12mm pin 16mm stub CPI

108,00 €
Currently not in stock
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
Jasil
Crankshaft Jasil China 2-stroke 12mm pin 16mm stub
Article no.: JA6030118

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

81,50 €
Currently not in stock
Jasil
Crankshaft Morini AC
Article no.: MF30.15700
1

Crankshaft Morini AC

87,00 €
Currently not in stock
Yamaha
Crankshaft MBK Booster / Yamaha BW's after 2004
Article no.: OE-MAL5WWE14000200

Crankshaft MBK Booster / Yamaha BW's after 2004

268,00 €
Currently not in stock
Peugeot
Crankcase LH Peugeot Kisbee 4T after '18
Article no.: OE-PEU803896

Crankcase LH Peugeot Kisbee 4T after '18

440,00 €
Currently not in stock
Peugeot
Crankshaft Peugeot vertical Euro2
Article no.: OE-PEU773483

Crankshaft Peugeot vertical Euro2

366,00 €
Currently not in stock
Yamaha
Crankshaft Minarelli 4-stroke
Article no.: OE-MIN5STE14001200

Crankshaft Minarelli 4-stroke

449,00 €
Currently not in stock
Polini
Connecting Rod Polini Evolution 10mm piston pin Minarelli
Article no.: P210.0007

Connecting Rod Polini Evolution 10mm piston pin Minarelli

92,50 €
Currently not in stock
RRP
100,00 €
-8% Discount
Malossi
Crankshaft Malossi RHQ 12mm pin Honda Dio
Article no.: M537604

Crankshaft Malossi RHQ 12mm pin Honda Dio

267,00 €
Currently not in stock
RRP
273,00 €
-2% Discount
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12

Crankshaft

The crankshaft is a central component of every engine. It converts the linear motion of the piston into a consistent rotational movement. In doing so, it is exposed to high loads from combustion, friction, and temperatures. Weight and balancing also influence performance.

A defective crankshaft can cause significant damage, often affecting the crankcases as well. It should therefore always be in perfect condition and match the engine’s performance level.

To make selection easier, especially for mopeds, scooters, and 50cc gear bikes, we have divided crankshafts into performance categories. The key information can be found below.

Our crankshaft categories

As with cylinders and exhausts, which largely determine engine performance, we distinguish four categories: Original, Sport, Racing, and High-End.

✅ Crankshaft Original

→ FEATURES: Matches the manufacturer’s original specifications

→ ADVANTAGES: Cost-effective, easy installation without modifications

→ REQUIREMENTS: Replacement of bearings and seals recommended

→ WELL-KNOWN BRANDS: Motoforce, Standard Parts, Yamaha, Rieju

✅ Crankshaft Sport & Racing

→ FEATURES: Reinforced, optimized webs, special materials, stroke matched to cylinder size

→ ADVANTAGES: Increased reliability, improved pre-compression, improved torque and RPM range

→ REQUIREMENTS: Reinforced bearings. If stroke or connecting rod differ, modifications to the engine cases are required.

→ BRANDS: Stage6, Stage6 R/T, Polini, Malossi, Motoforce Racing, MVT, Airsal

✅ Crankshaft High-End

→ FEATURES: Heavily reinforced, optimized balancing, forged connecting rod, reinforced needle bearings, precise balancing with inserts, adapted stroke (stroker)

→ ADVANTAGES: High durability, designed for high performance, optimized output

→ REQUIREMENTS: Engine case machining depending on the model, reinforced bearings, installation by a specialist recommended

→ SPECIALIZED BRANDS: Stage6 R/T, 2Fast, Top Performances, Ottopuntouno, Polini

Summary:

As performance and displacement increase, a reinforced crankshaft becomes more important. Many manufacturers design their crankshafts to match their cylinders. Combining both ensures a balanced setup in terms of power, torque, and durability.

Why replace the crankshaft?

Like most rotating components, the crankshaft is a typical wear part. Technically, bearings, journals, and the small end bearing are affected the most. These can be replaced individually, but the process is complex and requires special tools, so the entire crankshaft is often replaced.

Typical signs include increased vibrations or unusual noises. Experienced mechanics may also notice a grinding sound. In such cases, the crankshaft should be replaced.

When tuning, the original crankshaft should be replaced with a reinforced version.

Crankshaft installation

Always use new bearings and seals. Proper alignment is important to avoid vibrations and damage.

IMPORTANT: If you don't have any experience, installation should be carried out by a professional workshop.

Crankshaft maintenance

Regular checks and timely replacement of bearings and seals are essential. Each time the engine is opened, for example during a piston replacement, tolerances should be checked.

Watch for unusual noises or vibrations, as these are often early signs of wear. If bearings make noise or the engine vibrates, action should be taken early to prevent damage to the cylinder or engine cases.

Crankshafts for scooters, mopeds, and 50cc geared mopeds: our range

In our shop, you will find original and reinforced crankshafts for common engines such as Minarelli AM6, Derbi Euro 2 / Euro 3, Minarelli horizontal and vertical, Piaggio, Peugeot, Peugeot 103, and AV7 / AV10, as well as others, including less common engines like Morini, GY6, or Sachs.

This also covers many popular models, with suitable parts for Rieju MRT, Beta RR, Derbi Senda, Yamaha Aerox, Piaggio Zip, Peugeot 103, or Piaggio Ciao, among others.

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