CYLINDER ONLY 77.00mm YAMAHA YZF WRF 250 01-13 NAMURA CX-40004 MX-09150-2 5UL-11311-00-00
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with
CYLINDER ONLY 77.00mm STD BORE. NIKASIL PLATED. CAST FROM AB4C ALUMINUM WITH NIKASIL PLATED SLEEVES. Sleeve hardness HV500~600, thickness 0.08 +/- 0.02mm. Cylinder material JIS AC4B-T6 Aluminum, hardness HR65up. Meets or exceeds OEM quality. Direct OEM replacement. Part numbers 56-K103.77.CYL, MX-09150-2, 5UL-11311-00-00, 5XC-11311-20-00.
- SKU
- 56-K103.77.CYL
- Brand
- Psychic
- Availability
- In Stock (2)
Fitments (59)
| Make | Model | Year |
|---|---|---|
| GAS-GAS | EC R 250 | 2010 |
| GAS-GAS | EC R 250 | 2011 |
| GAS-GAS | EC R 250 | 2012 |
| GAS-GAS | EC R 250 | 2013 |
| GAS-GAS | EC R 250 | 2014 |
| GAS-GAS | EC R 250 | 2015 |
| YAMAHA | WR 250F | 2001 |
| YAMAHA | WR 250F | 2002 |
| YAMAHA | WR 250F | 2003 |
| YAMAHA | WR 250F | 2004 |
| YAMAHA | WR 250F | 2005 |
| YAMAHA | WR 250F | 2006 |
| YAMAHA | WR 250F | 2007 |
| YAMAHA | WR 250F | 2008 |
| YAMAHA | WR 250F | 2009 |
| YAMAHA | WR 250F | 2010 |
| YAMAHA | WR 250F | 2011 |
| YAMAHA | WR 250F | 2012 |
| YAMAHA | WR 250F | 2013 |
| YAMAHA | WR 250F | 2014 |
| YAMAHA | WRF 250 | 2001 |
| YAMAHA | WRF 250 | 2002 |
| YAMAHA | WRF 250 | 2003 |
| YAMAHA | WRF 250 | 2004 |
| YAMAHA | WRF 250 | 2005 |
| YAMAHA | WRF 250 | 2006 |
| YAMAHA | WRF 250 | 2007 |
| YAMAHA | WRF 250 | 2008 |
| YAMAHA | WRF 250 | 2009 |
| YAMAHA | WRF 250 | 2010 |
| YAMAHA | WRF 250 | 2011 |
| YAMAHA | WRF 250 | 2012 |
| YAMAHA | WRF 250 | 2013 |
| YAMAHA | YZ 250F | 2001 |
| YAMAHA | YZ 250F | 2002 |
| YAMAHA | YZ 250F | 2003 |
| YAMAHA | YZ 250F | 2004 |
| YAMAHA | YZ 250F | 2005 |
| YAMAHA | YZ 250F | 2006 |
| YAMAHA | YZ 250F | 2007 |
| YAMAHA | YZ 250F | 2008 |
| YAMAHA | YZ 250F | 2009 |
| YAMAHA | YZ 250F | 2010 |
| YAMAHA | YZ 250F | 2011 |
| YAMAHA | YZ 250F | 2012 |
| YAMAHA | YZ 250F | 2013 |
| YAMAHA | YZF 250 | 2001 |
| YAMAHA | YZF 250 | 2002 |
| YAMAHA | YZF 250 | 2003 |
| YAMAHA | YZF 250 | 2004 |
| YAMAHA | YZF 250 | 2005 |
| YAMAHA | YZF 250 | 2006 |
| YAMAHA | YZF 250 | 2007 |
| YAMAHA | YZF 250 | 2008 |
| YAMAHA | YZF 250 | 2009 |
| YAMAHA | YZF 250 | 2010 |
| YAMAHA | YZF 250 | 2011 |
| YAMAHA | YZF 250 | 2012 |
| YAMAHA | YZF 250 | 2013 |
- General Product Group
- Engine
- General Product Type
- Cylinders & Heads
- Variant Id
- 252589
FULL DESCRIPTION
Psychic Cylinder Only - 77.00mm Bore
This high-quality replacement cylinder is manufactured to meet or exceed OEM specifications. Designed as a direct replacement, it ensures a simple drop-in installation with no necessary case modifications for most applications. The cylinder features a Nikasil plated sleeve for superior wear resistance, offering exceptional durability.
Key Features:
- Standard Bore Size: 77.00mm
- Sleeve Material: Nikasil Plating
- Sleeve Hardness: HV500~600
- Sleeve Thickness: 0.08 +/- 0.02mm
- Cylinder Material: JIS AC4B-T6 Aluminum
- Aluminum Hardness: HR65up
- Constructed from AB4C Aluminum with Nikasil plated sleeves.
- Designed strictly off of OEM specifications.
- Manufactured to exacting standards for total confidence.
- Best value for money.
- Guaranteed satisfaction from Psychic products.
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
Buying parts for your business? Apply for a 2BrosParts trade account.


