The Renault K7M 702 is a 1,598 cc, inline‑four petrol engine produced between 1996 and 2005. It features a single overhead camshaft (SOHC) design with 8 valves and multi‑point fuel injection, delivering outputs ranging from 55 kW (75 PS) to 60 kW (82 PS) and torque figures of 127–135 Nm. Its simple SOHC layout prioritises cost — effective manufacturing and reliable low — rpm torque for urban commuting.
Fitted to models such as the Clio II, Kangoo I, and Twingo II, the K7M 702 was…
Production years 1996–2005 meet Euro 2 standards (VCA UK Type Approval #VCA/EMS/5681).
The Renault K7M 702 is a 1,598 cc inline‑four petrol engine engineered for compact city cars and vans (1996-2005). It combines multi‑point fuel injection with SOHC 8‑valve architecture to deliver predictable, low-stress performance and economical urban commuting. Designed to meet Euro 2 standards, it prioritises simplicity and serviceability over high 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 | 55–60 kW (75–82 PS) | |
Torque | 127–135 Nm @ 3,000 rpm | |
Fuel system | Multi‑point fuel injection (Sagem) | |
Emissions standard | Euro 2 | |
Compression ratio | 9.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Belt‑driven (requires 60,000 km replacement) | |
Oil type | Renault RN0700 (SAE 10W‑40) | |
Dry weight | 108 kg |
The Renault K7M 702 was used across Renault's Clio II/Kangoo I platforms with transverse mounting. This engine received platform-specific adaptations-lighter flywheel in the Twingo II-and from 2000 minor ECU revisions for emissions, creating minor software interchange limits. All adaptations are documented in OEM technical bulletins.
The K7M 702's primary reliability risk is timing belt or tensioner failure, with catastrophic consequences if neglected. Renault service data indicates a significant portion of failures occur in vehicles exceeding 80,000 km without belt service. Urban stop-start driving accelerates accessory belt wear, making adherence to the 60,000 km replacement interval critical.
Analysis derived from Renault technical bulletins (1998-2003) and owner-reported failure patterns. Repair procedures should follow manufacturer guidelines.
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The K7M 702 is renowned for its mechanical simplicity and potential for extreme longevity, often exceeding 300,000 km. Its Achilles' heel is the timing belt; failure to replace it and its tensioner at 60,000 km intervals will almost certainly destroy the engine. With strict adherence to this schedule, it is a very reliable workhorse.
The most critical issue is timing belt or tensioner failure if not serviced at 60,000 km. Other common problems include accessory belt squeal, water pump leaks (often addressed during timing belt service), and front crankshaft oil seal leaks. These are well-documented in Renault service information.
The K7M 702 was primarily used in the Renault Clio II (1998-2001), Kangoo I (1997-2003), Twingo II (2000-2004), and Dacia Solenza (2003-2005). It was typically badged as the '1.6' or '1.6 8v' in these models.
Significant power gains are difficult due to the SOHC 8-valve design. Basic modifications like a free-flow exhaust or air filter might yield 2-5 kW. ECU remaps are uncommon and offer minimal gains. The engine's strength is reliability, not performance. Forced induction is not a practical or safe option for this engine.
Fuel economy is modest. Expect around 9.0 L/100km in city driving and 6.0 L/100km on the highway, averaging 7.0-7.5 L/100km (38-40 mpg UK) combined for a Clio II. Consumption is higher than modern engines but reasonable for its era and design philosophy.
Yes. The K7M 702 is an interference engine. If the timing belt breaks or slips, the pistons will collide with the open valves, causing severe internal damage requiring a complete engine rebuild or replacement. This makes the 60,000 km timing belt service non-negotiable.
Renault recommends RN0700 specification oil, typically SAE 10W-40 for this engine. While less critical than for high-performance engines, using a quality 10W-40 mineral or semi-synthetic oil and changing it every 10,000-15,000 km will ensure long-term reliability.
Comprehensive technical documentation and regulatory references
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
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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)
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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
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