The Suzuki R engine is an

inline-three engine A straight-three engine (also called an inline-triple or inline-three) is a three-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. Less common than straight-four engines, straight-three engines have nonethe ...

that has been produced by

Suzuki is a Japan, Japanese multinational corporation headquartered in Minami-ku, Hamamatsu, Japan. Suzuki manufactures automobiles, motorcycles, All-terrain vehicle, all-terrain vehicles (ATVs), outboard motor, outboard marine engines, wheelchairs ...

since 2011. Initially introduced in the third-generation MR Wagon, and intended as a replacement for the K6A engine, the R engine has since been used in various Suzuki's, such as the

Alto The musical term alto, meaning "high" in Italian (Latin: ''altus''), historically refers to the contrapuntal part higher than the tenor and its associated vocal range. In 4-part voice leading alto is the second-highest part, sung in choruses by ...

, the Wagon R, and the

Carry Carry or carrying may refer to: People *Carry (name) Finance * Carried interest (or carry), the share of profits in an investment fund paid to the fund manager * Carry (investment), a financial term: the carry of an asset is the gain or cost of h ...

Overview

For the release of the third-generation MR Wagon in 2011,

introduced a brand-new inline-three

petrol engine A petrol engine (gasoline engine in American English) is an internal combustion engine designed to run on petrol (gasoline). Petrol engines can often be adapted to also run on fuels such as liquefied petroleum gas and ethanol blends (such as ''E ...

. The new engine, known as the R06A, was available in naturally-aspirated and

turbocharged In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...

forms, which produced respectively. Introduced as a replacement to the K6A that had been in production since 1994, the R06A features four valves per cylinder (for a total of 12),

dual overhead camshaft An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion cha ...

s, with a bore and stroke of respectively. In addition, the size and weight of the engine were reduced by adopting a cylinder head integrated into the exhaust manifold and a simpler catalyst case structure. While this is good for fuel economy and emissions, the exhaust is more restricted which lowers horsepower and power potential. The naturally-aspirated versions of the R06A feature

variable valve timing In internal combustion engines, variable valve timing (VVT) is the process of altering the timing of a valve lift event, and is often used to improve performance, fuel economy or emissions. It is increasingly being used in combination with varia ...

(VVT) on both the intake and exhaust valves (the first Suzuki engine to do so), and VVT on the intake valves of the turbocharged models. For 2012, Suzuki added the naturally-aspirated version of the engine to the

's range, with R06A-equipped Altos being called the Alto Eco. The Wagon R also received both forms of the R06A engine in 2012, to coincide with the release of the fifth-generation model. In 2013, the R06A was used for the new

Suzuki Spacia The Suzuki Spacia is a kei car produced by Suzuki. It was a replacement for the Suzuki Palette, which was discontinued in February 2013. It improves upon fuel efficiency, is lighter and features a larger cabin than its predecessor. The vehicle i ...

and the updated

Suzuki Carry The is a kei truck produced by the Japanese automaker Suzuki. The microvan version was originally called the Carry van until 1982 when the passenger van versions were renamed as the . In Japan, the Carry and Every are ''kei cars'' but the Suzuk ...

, and in 2014, it was used for the new

Suzuki Hustler The is a crossover SUV-styled kei car produced by the Japanese automaker Suzuki since 2014. The car is also sold by Mazda as the through an OEM agreement. __TOC__ Name Suzuki's design department chose the name "Hustler" to promote the ca ...

. The Carry was the first vehicle to use the R06A engine in a

rear-wheel-drive Rear-wheel drive (RWD) is a form of engine and transmission layout used in motor vehicles, in which the engine drives the rear wheels only. Until the late 20th century, rear-wheel drive was the most common configuration for cars. Most rear-wheel ...

configuration, and had a slightly detuned version of the engine. In December 2019, Suzuki introduced a brand new R engine for the 2020 model

Suzuki Wagon R The is a kei car manufactured and marketed by Suzuki since 1993. The R in the name stands for Revolution and Relaxation. The Wagon R uses a "tall wagon" configuration to maximize cabin space within kei car dimensional restrictions. The Wagon ...

and second-generation

. It's a naturally aspirated inline-three petrol engine, known as the R06D. Only available in naturally-aspirated form and produced .

R06A

The R06A is a 658 cc inline three

DOHC An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion c ...

12 valve engine with VVT. Available in naturally aspirated or turbocharged. Bore x stroke is 64.0mm x 68.2mm. Compression ratios are 1:9.1 (turbo) and 1:11.0-11.5 (NA). Output is between 49-54 PS @5700-6500 rpm with 58-63 N.m of torque @3500-4000 rpm (NA) and 64 PS @6000 rpm with 95-100 N.m @3000 rpm of torque (turbo). R06A can come paired with Suzuki's mild hybrid system, with the W05A electric motor (3.1 PS and 50 Nm) and a 10Ah battery.

Applications

Naturally-aspirated *2011–2016: Suzuki MR Wagon/Nissan Moco *2012–2020: Suzuki Wagon R/Mazda Flair *2012–present: Suzuki Alto/Mazda Carol *2013–present: Suzuki Carry/Mazda Scrum/Nissan NT100 Clipper/Mitsubishi Minicab *2013–present: Suzuki Spacia/Mazda Flair Wagon *2014–2020: Suzuki Hustler/Mazda Flair Crossover *2015–present: Suzuki Every/Mazda Scrum/Nissan NV100 Clipper/Mitsubishi Minicab Turbocharged *2011–2016: Suzuki MR Wagon/Nissan Moco *2012–present: Suzuki Wagon R/Mazda Flair *2013–present: Suzuki Spacia/Mazda Flair Wagon *2014–2021: Suzuki Alto/Mazda Carol *2014–present: Suzuki Hustler/Mazda Flair Crossover *2015–present: Suzuki Every/Mazda Scrum/Nissan NV100 Clipper/Mitsubishi Minicab/

Mitsubishi Town Box The Mitsubishi Town Box is a kei car (Town Box) and minivan (Town Box Wide) produced for the Japanese domestic market, Japanese domestic market (JDM) by the Japanese automaker Mitsubishi Motors. It was initially available with the alloy-cylinder ...

*2018–present:

Suzuki Jimny The is a series of four-wheel drive off-road mini SUVs, manufactured and marketed by Japanese automaker Suzuki since 1970. Originally belonging to the kei class, Japan's light automobile tax/legal class, the company continues to market a kei- ...

*2021–present

Caterham Seven The Caterham 7 (or Caterham Seven) is a super-lightweight sports car produced by Caterham Cars in the United Kingdom. It is based on the Lotus Seven, a lightweight sports car sold in kit and factory-built form by Lotus Cars, from 1957 to 1972. ...

170 (tuned to 85 PS & 116 Nm)

R06D

The R06D is a naturally aspirated 657 cc inline three

12 valve engine with VVT. Bore x stroke is 61.5mm x 73.8mm. Compression ratio is 1:12.0. Output is 49 PS @6500 rpm with 58 N.m of torque @5000 rpm. This engine can also come in a mild hybrid configuration, but with the slightly less powerful W04C electric motor (2.6 PS and 40 N.m) and a lower capacity 3Ah battery.

Applications

*2020–present: Suzuki Hustler/Mazda Flair Crossover *2020–present: Suzuki Wagon R/Mazda Flair *2021–present: Suzuki Alto Hybrid *2021–present: Suzuki Wagon R Smile

References

{{Suzuki vehicles Suzuki engines Straight-three engines