The Renault 688 711 is a 1,390 cc, inline — four petrol engine produced between 1994 and 1999. It features a single overhead camshaft (SOHC), eight — valve configuration, and multi — point fuel injection, delivering 60 kW (82 PS) with moderate low — end torque for urban and light highway use. The design prioritized simplicity and cost — effective manufacturing for entry — level vehicles.
Fitted to models such as the Clio I (Phase 1), Kangoo I (early production), and Twingo I, th…
Production years 1994–1996 meet Euro 2 standards; 1997–1999 models may have enhanced Euro 2 compliance depending on market .
The Renault 688 711 is a 1,390 cc inline-four naturally aspirated petrol engine engineered for compact city cars and light vans (1994-1999). It combines multi-point fuel injection with a cast iron block and aluminium alloy head to deliver reliable, low-maintenance operation. Designed to meet Euro 2 emissions standards, it balances affordability with adequate performance for urban driving.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,390 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, SOHC, 8-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 76.0 mm × 76.0 mm | |
Power output | 60 kW (82 PS) | |
Torque | 114 Nm @ 3,000 rpm | |
Fuel system | Bosch LE-Jetronic multi-point fuel injection | |
Emissions standard | Euro 2 | |
Compression ratio | 9.5:1 | |
Cooling system | Water-cooled | |
Timing system | Timing belt (interference) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 105 kg |
The Renault 688 711 was used across Renault's Clio I/Kangoo I/Twingo I platforms with transverse mounting and no licensed external usage. This engine received platform-specific adaptations-reinforced intake manifold mounts in the Clio and simplified cooling circuit routing in the Kangoo-and from 1996 the facelifted Clio Phase 1 adopted the 688 711 Rev.B variant with improved head gasket and coolant passages, creating interchange limits. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. 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 688 711 is mechanically robust if maintained correctly, but its timing belt is a critical vulnerability. Engines with documented replacement history at 30,000 km intervals can exceed 200,000 km. Neglected examples risk catastrophic valve damage. Head gasket failure in pre-1996 units remains a significant concern without revision.
The biggest issues are timing belt failure (causing bent valves), head gasket blowout on early units, EGR valve carbon buildup, and fuel injector clogging. Oil leaks from the camshaft seal and distributor O-ring are also frequent. These are well-documented in Renault service bulletins and owner repair logs.
This 1.4L engine was used in the first-generation Clio (1994–1999), early Kangoo (1997–1999), and Twingo (1994–1996). It was never licensed to other manufacturers. In the Clio, it powered the RT and RXE trims; in the Kangoo, it was the base utility variant.
Minimal tuning potential exists. The engine’s simple SOHC, 8-valve design and low compression limit gains. ECU remapping yields negligible results. Aftermarket air filters or exhausts offer minor flow improvements but no meaningful power increase. Focus should remain on reliability, not performance enhancement.
Good for its era. In a Clio I or Twingo I, expect 6.8–7.5 L/100km (38–42 mpg UK) combined. Highway driving can achieve 6.0 L/100km (47 mpg UK). Fuel economy drops noticeably with clogged injectors or EGR faults. Real-world figures depend heavily on maintenance condition.
Yes. The 688 711 is an interference engine. If the timing belt breaks or jumps, pistons will strike open valves, resulting in severe internal damage including bent valves, damaged pistons, and potentially a ruined cylinder head. Regular belt replacement is essential to prevent costly repairs.
Renault specifies RN 5W-30 meeting API SG/SH specifications. Always use a quality mineral or semi-synthetic oil designed for older engines. Change at 10,000 km or annually, whichever comes first, to maintain lubrication of the camshaft and hydraulic tappets. Avoid modern low-SAPS oils intended for diesel particulate systems.
Comprehensive technical documentation and regulatory references
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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.
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