CYLINDER ONLY BIG BORE 63mm OVER SIZE 2008-2012 WR YFZ-R 125 MX-09155-1
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Big bore cylinder replacement with a 63mm bore. Manufactured to OEM specifications with a Nikasil-plated sleeve for wear resistance. Features a cylinder-only design and typically allows for drop-in installation without case modifications. Specifications include AB4C aluminium material with a Nikasil-plated sleeve, bore size of 63.00 mm, coating hardness of HV500–600, and coating thickness of 0.08 ± 0.02 mm. Cylinder material spec is JIS AC4B-T6 aluminium with a hardness of HR65+. Cross-reference OEM part numbers include PSYCHIC MX-09155-1, 56-K139.63.CYL, 22BE13111000, 22BE13112000, 22B-E1311-10-00, and 22B-E1311-20-00.
- SKU
- 56-K139.63.CYL
- Brand
- Dirt Racing
- Availability
- In Stock (9)
Fitments (15)
| Make | Model | Year |
|---|---|---|
| YAMAHA | WRF R 125 | 2008 |
| YAMAHA | WRF R 125 | 2009 |
| YAMAHA | WRF R 125 | 2010 |
| YAMAHA | WRF R 125 | 2011 |
| YAMAHA | WRF R 125 | 2012 |
| YAMAHA | WRF X 125 | 2008 |
| YAMAHA | WRF X 125 | 2009 |
| YAMAHA | WRF X 125 | 2010 |
| YAMAHA | WRF X 125 | 2011 |
| YAMAHA | WRF X 125 | 2012 |
| YAMAHA | YZF R 125 | 2008 |
| YAMAHA | YZF R 125 | 2009 |
| YAMAHA | YZF R 125 | 2010 |
| YAMAHA | YZF R 125 | 2011 |
| YAMAHA | YZF R 125 | 2012 |
- General Product Group
- Engine
- General Product Type
- Cylinders & Heads
- General Size
- 63mm
- Variant Id
- 252843
FULL DESCRIPTION
Big Bore Cylinder Replacement - 63mm Oversize
Enhance the performance of your compatible Yamaha or Rieju motorcycle with this high-quality big bore cylinder. Designed as a cylinder-only replacement, this part is manufactured to meet original equipment manufacturer (OEM) specifications. It features a durable Nikasil-plated sleeve, ensuring excellent wear resistance for extended engine life.
Key Features:
- Cylinder only replacement part
- Manufactured to precise OEM specifications
- Nikasil-plated sleeve for superior wear resistance
- Designed for straightforward installation, typically without requiring case modifications
Specifications:
- Bore Size: 63.00 mm
- Sleeve Type: Nikasil
- Sleeve Hardness: HV500–600
- Sleeve Coating Thickness: 0.08 ± 0.02 mm
- Cylinder Material: AB4C aluminium
- Cylinder Material Specification: JIS AC4B-T6 aluminium
- Cylinder Hardness: HR65+
QUESTIONS? JUST ASK
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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
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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.
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