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Crankshafts

(15 products)
Crankshaft Crankshafts Bearings and Oil Seals Small End Bearings Crankshaft Accessories
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15
15
products
found
Tuning level
Original
Piston pin
10 mm
Stroke
Original
Conrod length
Standard
Brand
Athena Hot Rods MotoForce Prox Standard Parts
Price
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MotoForce
Crankshaft OEM quality MotoForce Yamaha PW 50
Article no.: MF30.19901

Crankshaft OEM quality MotoForce Yamaha PW 50

53,00 €
In stock
Prox
Connecting Rod Kit Prox EXC 400 - 525
Article no.: PROX-09230138

Connecting Rod Kit Prox EXC 400 - 525

182,00 €
In stock
RRP
224,00 €
-19% Discount
Hot Rods
Crankpin Hot Rods
Article no.: HR-P-MASTER-MANETON

Crankpin Hot Rods

from 8,00 €
In stock
Athena
Connecting Rod Kit Athena KTM EXC 400 / 525
Article no.: AT-09230494

Connecting Rod Kit Athena KTM EXC 400 / 525

176,00 €
In stock
Athena
Connecting Rod Kit Athena TC / SX 85
Article no.: AT-09230487

Connecting Rod Kit Athena TC / SX 85

81,00 €
In stock
RRP
116,00 €
-30% Discount
Athena
Connecting Rod Kit Athena Honda CRF 250 2004-2017
Article no.: AT-09230474

Connecting Rod Kit Athena Honda CRF 250 2004-2017

149,00 €
In stock
Athena
Repair Kit crankshaft Athena KX 65 / 85
Article no.: AT-09210199

Repair Kit crankshaft Athena KX 65 / 85

16,00 €
In stock
Sale
Standard Parts
Crankshaft OEM quality Yamaha PW50
Article no.: A090850H

Crankshaft OEM quality Yamaha PW50

69,00 €
Currently not in stock
Prox
Connecting Rod Kit Prox KXF 250 2017-2020
Article no.: PROX-09230461

Connecting Rod Kit Prox KXF 250 2017-2020

247,00 €
Currently not in stock
Prox
Connecting Rod Kit Prox YZF / WRF 250 2003-2013
Article no.: PROX-09230142

Connecting Rod Kit Prox YZF / WRF 250 2003-2013

181,00 €
Currently not in stock
Prox
Connecting Rod Kit Prox CR 250 before 2001 / GasGas EC 250/300
Article no.: PROX-09230125

Connecting Rod Kit Prox CR 250 before 2001 / GasGas EC 250/300

153,00 €
Currently not in stock
Hot Rods
Kit Crankshaft complete Hot Rods KTM / Husqvarna
Article no.: HR-3030407

Kit Crankshaft complete Hot Rods KTM / Husqvarna

546,00 €
Currently not in stock
RRP
642,00 €
-15% Discount
Hot Rods
Crankshaft Kit Hot Rods Yamaha YZF 250 2003-2013
Article no.: HR-3030408

Crankshaft Kit Hot Rods Yamaha YZF 250 2003-2013

665,00 €
Currently not in stock
Hot Rods
Kit Crankshaft complete Hot Rods Yamaha YZ 85
Article no.: HR-3030402

Kit Crankshaft complete Hot Rods Yamaha YZ 85

292,00 €
Currently not in stock
Hot Rods
Crankshaft Kit Hot Rods Kawasaki KX 85 2006-2013
Article no.: HR-3030369

Crankshaft Kit Hot Rods Kawasaki KX 85 2006-2013

352,00 €
Currently not in stock

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.

If the crankshaft is damaged, the resulting damage can be significant, often affecting the crankcase as well. It should therefore always be in perfect condition and matched to the engine performance.

Our crankshaft range

In our shop, you will find original and reinforced crankshafts for common models in the maxiscooter and motocross segments. Riders of Runner 125cc, Honda SH, Yamaha XMax, Vespa, Yamaha YZ, Honda CRF, Kawasaki KX, and KTM will find suitable parts.

We work with well-known manufacturers such as Motoforce, Stage6, Polini, Motoforce Racing, HotRod, ProX, Moose Racing, or Athena.

Note: When tuning an engine, we recommend using a reinforced crankshaft.

Why replace the crankshaft?

Like almost all rotating parts, the crankshaft is a classic wear part. From a technical perspective, wear mainly affects the bearings, bearing seats / journals, and the small end bearing. While these can be replaced individually, the effort is high and requires special tools. Therefore, the entire crankshaft is often replaced.

Typical signs are increased vibrations or unusual noises. Experienced mechanics also often recognize a grinding sound. In such cases, the crankshaft should be replaced.

Crankshaft installation

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

IMPORTANT: If you do not have experience, installation should be performed by a specialist workshop.

Crankshaft maintenance

Regular inspections and the replacement of bearings and seals are important. Every time the engine is opened, for example during a piston replacement, tolerances should be checked. The corresponding values are usually specified by the manufacturer and can be found in the owner's or workshop manual.

Pay attention to unusual noises or vibrations, as these are often the first signs of wear. If bearings make noise or the engine vibrates, they should be replaced in time to avoid damage to the cylinder or the case.

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