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3. MotoForce Evo Crankshaft for '99-'05 RS50
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Polini Piston for 70cc kit SR50 Ditech(Piaggio) (PO204.0680)

Polini Piston for 70cc kit SR50 Ditech(Piaggio)

Polini Piston D 47.0 for 70cc kit for SR50 Ditech (Piaggio* engine)

This is the Polini Replacement piston for Polini kit number 140.0203

Includes all parts seen in photo. Recommended to replace wristpin bearing (500502) when replacing piston (see right margin of this page).

*This kit is for Piaggio engined Ditech only.  Piaggio engines have the RH engine cover seen below:


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Price: $99.99

Part Number:

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Related Products :
OEM Aprilia Wrist Pin Bearing -#500502 (ex8515011) $4.71

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(Note: Confirm fitment before ordering, others may not have the same bike as you!)


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Malossi 14/39 Final Gears for '09-'14 SR50 Factory with Piaggio engine. This final gear set helps to provide a higher top speed when used with the Polini 70cc Kit


Malossi Red Sponge Air Filter for '04-'08 SR50 Ditech Factory, and '08-'14 SR50 Ditech Factory. AF1 Recommended Alternative to OEM 8202443

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Disclaimer: Products in the AF1 Racing Online Store are not associated with, approved or tested by Aprilia USA or Aprilia SpA. Use of some products is intended for off-road, non-street, or racing use only. Use of non-approved products may void warranty. Improper installation or use of some products can cause serious bodily harm, injury and/ or death. Check with local laws before ordering. Some products may accelerate wear. Use these products at your own risk. All text and images on this website are copyright 2001-2010, including this disclaimer in part or in full.