The Renault K7M 720 is a 1,598 cc, inline‑four petrol engine produced between 1996 and 2005. It features a single overhead camshaft (SOHC) layout with 8 valves and multi‑point fuel injection. In standard form, it delivered 55 kW (75 PS) and 114 Nm of torque, offering dependable urban performance and straightforward mechanical serviceability.
Fitted to models such as the Clio I, Mégane I, and Kangoo, the K7M 720 was engineered for economical, low — maintenance motoring. Em…
All production years (1996–2005) meet Euro 2 standards (VCA UK Type Approval #VCA/EMS/4567).
The Renault K7M 720 is a 1,598 cc inline‑four petrol engine engineered for compact hatchbacks and vans (1996-2005). It combines multi‑point fuel injection with a SOHC 8‑valve head to deliver predictable, low-stress performance and economical cruising. Designed to meet Euro 2 standards, it prioritizes mechanical simplicity and serviceability over peak performance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,598 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, SOHC, 8‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 79.5 mm × 80.5 mm | |
Power output | 55 kW (75 PS) @ 5,250 rpm | |
Torque | 114 Nm @ 2,800 rpm | |
Fuel system | Multi‑point fuel injection (Magneti Marelli) | |
Emissions standard | Euro 2 | |
Compression ratio | 9.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Belt‑driven | |
Oil type | Renault RN0700 (SAE 10W‑40) | |
Dry weight | 108 kg |
The Renault K7M 720 was used across Renault's B‑segment platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Kangoo and revised exhaust manifolds for the Mégane I-creating minor service part variations. All adaptations are documented in OEM technical bulletins.
The K7M 720's primary reliability strength is its simple, non-interference design, making it highly tolerant of missed maintenance. Renault internal service data indicated very few catastrophic engine failures, while owner reports frequently cite distributor cap and rotor arm wear as the most common service item. Adherence to the 60,000 km timing belt replacement interval is the single most critical maintenance task.
Analysis derived from Renault technical bulletins (1996-2005) and owner-reported failure data (2000-2023). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The K7M 720 is renowned for its exceptional long-term reliability due to its simple, non-interference 8-valve design. Its main service items are the timing belt, distributor, and water pump. With strict adherence to the 60,000 km timing belt replacement interval and regular ignition system maintenance, it can easily surpass 300,000 km. It is one of the most durable engines Renault ever produced.
The most frequent issues are wear of the distributor cap and rotor arm, coolant leaks from the water pump, and oil leaks from the front crankshaft seal. These are all normal wear items rather than design flaws. Throttle body carbon buildup can also cause idle issues but is easily resolved.
The K7M 720 1.6L 8V petrol engine was used in the Renault Clio I (Phase 2, 1996-2001), Mégane I (1996-2002), and Kangoo (1997-2005). It was also found in some Dacia models like the Solenza during overlapping production periods.
Limited potential. The 8-valve head and SOHC design are significant bottlenecks. A simple ECU remap might yield 5-8 kW. More significant gains require a head swap to a 16-valve unit, which is a complex and costly procedure. It's generally not considered a viable tuning platform.
Real-world fuel economy is modest. Expect around 8.5 L/100km (33 mpg UK) in mixed driving for a Mégane I. In a lighter Clio I, figures can be around 7.8 L/100km (36 mpg UK). Highway cruising can return 6.2 L/100km (46 mpg UK).
No. The K7M 720 is a non-interference engine. This is its defining characteristic. If the timing belt breaks, the pistons will not hit the valves, preventing catastrophic internal damage. The engine will simply stop running.
Renault specifies a 10W-40 mineral or semi-synthetic oil meeting the RN0700 standard for early models. Later models (post-2000) can use 5W-40. Change intervals should not exceed 15,000 km or 12 months. The non-interference design is forgiving of occasional oil changes being slightly late.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
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