The Renault C2J 700 is a 1,721 cc, inline‑four petrol engine produced between 1985 and 1992. It features a single overhead camshaft (SOHC) and two valves per cylinder, delivering outputs suited for compact family cars. In standard form, it produced approximately 66 kW (90 PS), prioritising low — cost manufacturing and mechanical simplicity over peak performance.
Fitted to models such as the R9, R11, and early R19, the C2J 700 was engineered for reliable, economical motor…
Production years 1985–1992 meet Euro 1 standards as per applicable regulations for vehicles of that era (VCA UK Type Approval historical records).
The Renault C2J 700 is a 1,721 cc inline‑four petrol engine engineered for compact hatchbacks and saloons (1985-1992). It combines a simple SOHC valvetrain with carburetion to deliver adequate power for daily commuting. Designed to meet Euro 1 standards, it emphasises serviceability and cost-effective ownership.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,721 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, SOHC, 8‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 81.0 mm × 83.5 mm | |
Power output | 66 kW (90 PS) @ 5,500 rpm | |
Torque | 135 Nm @ 3,000 rpm | |
Fuel system | Carburetor or Single‑point injection | |
Emissions standard | Euro 1 | |
Compression ratio | 9.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain‑driven camshaft | |
Oil type | SAE 10W‑40 (Mineral) | |
Dry weight | Not specified in available OEM docs |
The Renault C2J 700 was used across Renault's R9/R11 platforms with transverse mounting. This engine received minor platform-specific adaptations-different intake manifolds and accessory brackets-and from 1990 the R19 Phase 1 models used a slightly revised version with updated engine management, creating minor parts differences. All adaptations are documented in OEM technical bulletins.
The C2J 700's primary reliability risk is camshaft lobe wear, with elevated incidence in high-mileage or poorly maintained examples. Renault Technical Note MEC 015 documents this failure mode, while general owner reports highlight carburetor and ignition system issues in neglected vehicles. Extended service intervals and poor fuel quality accelerate wear, making adherence to basic maintenance critical.
Analysis derived from Renault technical bulletins (1985-1992) and general owner/mechanic consensus for vehicles of this era. Repair procedures should follow manufacturer guidelines.
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The C2J 700 is generally reliable with proper maintenance. Its simple SOHC design is robust, but early engines are susceptible to camshaft lobe wear if oil changes are neglected. Addressing this known issue and maintaining the carburetor and ignition system allows these engines to achieve high mileages reliably.
The most frequent issues are camshaft lobe wear (especially in pre-1988 engines), carburetor problems like sticking or flooding, failure of the distributor cap/rotor/ignition coil, and leaks from aging cooling system components like hoses and the water pump. These are well-documented in Renault service information.
The C2J 700 engine was primarily used in the Renault R9 and R11 (1985-1989) and the early Phase 1 Renault R19 (1989-1992). It served as the upper-tier 1.7L petrol engine for these compact models during their respective production runs, positioned above the 1.4L C1E and 1.6L C1J.
Minor tuning is feasible. Upgrading the carburetor, fitting a performance exhaust, and advancing ignition timing can yield small gains. However, the engine's SOHC 8-valve design and modest compression ratio limit significant power increases without major internal modifications, which are rarely cost-effective for this engine.
Fuel economy is typical for its era. Expect around 8.5-9.5 L/100km (33-30 mpg UK) in combined driving for a carbureted R9/R11. Fuel-injected R19 models might achieve slightly better figures, around 8.0-9.0 L/100km (35-31 mpg UK), depending on condition and driving style.
No. The Renault C2J 700 is a non-interference engine. If the timing chain were to fail, the pistons and valves would not collide, preventing catastrophic internal damage. This is a key reliability feature inherited from the C1E engine family.
Renault originally specified a mineral SAE 10W-40 oil. For modern use, a high-quality semi-synthetic 10W-40 or 15W-40 meeting ACEA A3 specifications is suitable and provides better protection. Change intervals should be kept at 10,000 km or annually to prevent camshaft wear.
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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