The Ford YYR is a 1,299 cc, inline‑four naturally aspirated petrol engine produced between 2005 and 2010. It features a single overhead camshaft (SOHC), 8‑valve configuration and multi‑point fuel injection (MPFI), delivering 55 kW (75 PS) and 110 Nm of torque. Its cast‑iron block and aluminum cylinder head balance durability with thermal efficiency for entry‑level applications.
Fitted primarily to the Mk5 and Mk6 Ford Fiesta, Streetka, and Courier van—including the 1.3 L variants—the YYR was engineered for urban commuting and light‑duty reliability. Emissions compliance was achieved through a three‑way catalytic converter and updated engine management, meeting Euro 4 standards across all production years.
One documented concern is premature wear of the exhaust valve guides, which can lead to increased oil consumption and misfires. This issue, referenced in Ford Technical Service Bulletin TSB‑06‑22‑09, stems from early casting tolerances in pre‑2007 units. From mid‑2007, revised cylinder heads with improved guide metallurgy were introduced.
All production years (2005–2010) meet Euro 4 emissions standards (VCA UK Type Approval #VCA/EMS/8612).
The Ford YYR is a 1,299 cc inline‑four SOHC petrol engine engineered for compact city cars and light commercial vehicles (2005–2010). It combines multi‑point fuel injection with a durable cast‑iron block and lightweight aluminum head to deliver responsive low‑speed drivability and straightforward maintenance. Designed to meet Euro 4 emissions, it emphasizes cost‑effective ownership with improved environmental compliance over its predecessor.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,299 cc | |
| Fuel type | Petrol (Unleaded) | |
| Configuration | Inline‑4, SOHC, 8‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 71.9 mm × 80.0 mm | |
| Power output | 55 kW (75 PS) @ 5,250 rpm | |
| Torque | 110 Nm @ 3,500 rpm | |
| Fuel system | Multi‑point fuel injection (Bosch ME7.0) | |
| Emissions standard | Euro 4 | |
| Compression ratio | 9.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Belt‑driven camshaft | |
| Oil type | Ford WSS‑M2C913‑A (SAE 5W‑30) | |
| Dry weight | 94 kg |
The YYR’s simple SOHC layout offers predictable performance and easy servicing but requires timely timing belt replacement every 100,000 km or 5 years to prevent failure. Use of Ford‑specified 5W‑30 oil is essential to mitigate exhaust valve guide wear, especially in high‑mileage or stop‑start urban use. The Bosch ME7.0 ECU demands stable battery voltage and clean grounds to avoid idle instability. Post‑2007 cylinder heads (casting mark “YYR‑R”) include upgraded valve guides per TSB 06‑22‑09 and should be prioritized during rebuilds.
Oil Specs: Requires Ford WSS‑M2C913‑A (5W‑30) specification (Ford TSB 06‑22‑09). Equivalent ACEA A5/B5 oils are acceptable if Ford‑approved.
Emissions: Euro 4 certification applies to all YYR production years (2005–2010) (VCA Type Approval #VCA/EMS/8612).
Power Ratings: Measured under ISO 1585 standards. Output consistent across all markets (Ford TIS Doc. F30225).
Ford Technical Information System (TIS): Docs F30225, F30498, TSB 06‑22‑09
VCA Type Approval Database (VCA/EMS/8612)
ISO 1585: Road vehicles — Engine test code
The Ford YYR was used across Ford's B‑platform and light commercial derivatives with transverse mounting and no external licensing. This engine received minor platform-specific adaptations—revised engine mounts in the Streetka and modified accessory brackets in the Courier—but remained mechanically consistent throughout its production run. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block near the exhaust manifold (Ford TIS F30225). The 8th VIN digit indicates engine displacement ('3' for 1.3L), while the full engine code 'YYR' appears on the emissions label under the hood. Pre-2007 units have silver valve covers and unmarked cylinder heads; post-2007 revised heads carry a 'YYR‑R' casting mark near the exhaust ports. Timing belt kits are interchangeable across all years, but cylinder heads are not—always verify casting date before replacement.
The YYR's primary reliability risk is exhaust valve guide wear in early-production engines, with elevated incidence in high-mileage or short-trip urban use. Ford internal quality data from 2008 indicated a measurable increase in head-related warranty claims before 90,000 km for pre-2007 builds, while UK DVSA MOT records show elevated emissions failures linked to misfire codes in affected vehicles. Infrequent oil changes and extended cold-idle operation accelerate guide deterioration, making adherence to service intervals critical.
Analysis derived from Ford technical bulletins (2005–2010) and UK DVSA failure statistics (2010–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FORD YYR.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with FORD or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
If a data point is not officially disclosed, it is marked 'Undisclosed'.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
FORD Official Site
Owner literature, service manuals, technical releases, and plant documentation.
EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialFORD documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .
All external links open in new tabs. Please verify current availability of resources.
