Suzuki K12M/N 1.2L Petrol VVT engine for sale

Suzuki K12M/N 1.2L Petrol VVT engine

Suzuki’s modern K-Series and highly trusted power unit.

The Suzuki K12M/N 1.2L Petrol VVT engine is a highly efficient and refined power plant designed for compact Suzuki vehicles that prioritize fuel economy, reliability and smooth daily performance. This engine is part of Suzuki’s modern K-Series lineup, known for lightweight aluminium construction, low emissions, and dependable operation in both urban and long-distance driving environments.

 If you’re searching for a quality used Suzuki K12M/N engine for sale, this unit is a strong choice thanks to its balance of responsiveness and economy, making it suitable for drivers looking to restore or upgrade their vehicle with a reliable factory-spec engine. 

The 1.2-litre displacement combined with multi-point injection and Variable Valve Timing ensures impressive fuel efficiency without sacrificing drivability, and its compact design makes installation easier across a range of compatible Suzuki models.

This engine is commonly fitted to vehicles such as the Suzuki Swift, Suzuki Ignis, Suzuki Baleno, Suzuki Splash and certain Suzuki Wagon R variants depending on the market. These models use the K12M/N engine to achieve smooth low-speed torque, agile acceleration and excellent fuel consumption, making this engine ideal for both commuter and family-friendly vehicles. 

Whether you are replacing a worn engine or performing a full vehicle rebuild, the K12MN offers a reliable and cost-effective solution with wide parts availability and established maintenance support across global markets.

 Specifications, Common weaknesses and Maintenance.

In terms of specifications, the Suzuki K12M/N features a 1.2-litre four-cylinder petrol layout, DOHC configuration and VVT technology for optimised valve timing. It produces efficient mid-range torque and power suitable for city and highway driving while maintaining low emissions. The engine operates using multi-point injection and is water-cooled for consistent thermal management. 

Its aluminum block and head design contribute to reduced weight and enhanced fuel efficiency, while the engine architecture prioritizes low friction and long service life.

Common weaknesses are generally minor and usually related to maintenance neglect. Some owners report coil-pack failures, worn spark plugs affecting idle quality, or carbon buildup over high mileage, especially when poor fuel or extended service intervals are involved. Regular oil changes using high-quality synthetic oil, timely spark plug replacement and periodic throttle-body cleaning help maintain smooth operation. 

As long as the engine receives routine servicing, the Suzuki K12M/N 1.2L Petrol VVT engine is known to deliver excellent durability and reliability over many years of use.