In Stock
PISTON KIT 50cc 40.30mm, PROX 01.1010.130 Minarelli AM6
$46.76Only 1 left
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
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This ProX piston kit features a 40.30mm bore, which is an oversize (+1.30mm) two-stroke replacement piston. It is manufactured from a low-expansion, low-friction alloy used by OEM engine manufacturers, offering high durability and reliability. The kit includes the piston, rings, circlips, and gudgeon pin. The little end bearing must be purchased separately. Cylinder clearance should be verified before installation. Specifications include a 40.30mm bore, +1.30mm oversize, and it is for a 2-stroke engine. Cross-reference numbers are GW0 and GW2.
Specifications
- SKU
- 56-W9850.130.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
Fitments (505)
| Make | Model | Year |
|---|---|---|
| BETA | RR 50 | 2005 |
| BETA | RR 50 | 2006 |
| BETA | RR 50 | 2007 |
| BETA | RR 50 | 2008 |
| BETA | RR 50 | 2009 |
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| BETA | RR 50 | 2013 |
| BETA | RR 50 | 2014 |
| BETA | RR 50 | 2015 |
| BETA | RR 50 | 2016 |
| BETA | RR ENDURO 2T 50 | 2005 |
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| BETA | RR ENDURO 2T 50 | 2024 |
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| RIEJU | RS 1 50 | 2017 |
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- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 40.30mm
- Variant Id
- 258916
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details
FULL DESCRIPTION
ProX 50cc Oversize Piston Kit 40.30mm
This ProX piston kit features a 40.30mm bore, making it an oversized (+1.30mm) replacement piston designed for two-stroke engines found in many small-capacity motorcycles and scooters. It is constructed from a high-quality, low-expansion, low-friction alloy that is also used by Original Equipment Manufacturer (OEM) engine builders, ensuring excellent durability and reliability at a competitive price point. This kit provides an economical solution for replacing worn or damaged OEM pistons.
Key Features:
- Constructed from OEM-grade low-expansion, low-friction alloy for superior performance.
- Engineered for high durability and thermal stability, ideal for demanding two-stroke applications.
- Complete kit includes the piston, piston rings, circlips, and gudgeon pin for a straightforward installation.
- Offers an economical and reliable alternative to original equipment pistons.
- Important Note: The little end bearing is not included in this kit and must be purchased separately.
- Important Note: Always verify and set the correct cylinder clearance before installing this piston.
Specifications:
- Bore Size: 40.30mm (This is a +1.30mm oversize piston)
- Engine Type: 2-Stroke
- Cross-Reference Numbers: GW0 / GW2
Before you buy
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
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