Suzuki Sierra Motor Conversion

Categories: Motor Upgrades

Suzuki Sierra Motor Conversion : G13BA to G16B EFI Motor

Suzuki Sierra Motor Conversion : Upgrade from G13A motor to a G16B EFI motor, feel the difference in power and performance. You’re in the right place! This comprehensive guide will walk you through the process, using motors from either a Suzuki Jimny or Baleno with the G16B motor.

The Conversion Process

  • Adaptor Kit: This kit will enable us to bolt the Sierra 5-speed gearbox to the G16B motor. The adaptor kit is supplied by 4WD Partshop.
  • Inlet Manifold, Cam Shaft, and Wiring Loom: We will use either the Baleno inlet manifold, cam shaft, and wiring loom from the Baleno or Suzuki Jimny G13BB.
  • Fuel Injectors: The fuel injectors will be upgraded to the 1600 Baleno type.
  • Custom Intake Hose: A Custom intake hose is used to couple up to the original air cleaner box.
  • Custom Water Pipe: With the Baleno setup, we require a custom water pipe for the top radiator hose running down the exhaust side of the motor.
  • Wiring Harness: Either wiring harness is integrated into the factory Sierra wiring harness.
  • Clutch Kit: All conversions done by the 4wdparts shop run a heavy-duty Exedy clutch kit.
  • Exhaust System: A set of extractors and a full new 2″ high-flow exhaust system is installed.
  • Cooling Components: All cooling components are replaced, like radiator hoses and viscous clutch fan and hub.
  • Motor: All our conversions are fitted with a full reconditioned G16B motor.
  • Starter Motor: You will require a small body type stater motor.
  • G16B EFI Motor: Fully reconditioned G16B motor to suit the Suzuki Sierra application.

          G13BA Engine (Suzuki Sierra):

    • The G13BA engine is a 1.3L 1298cc
    • Key Specifications:
      • Displacement: 1298cc
      • Bore x Stroke: 74.0 mm x 75.5 mm
      • Compression Ratio: 9.5:1
      • Valve Train: Single overhead camshaft 8 valve
      • Fuel System: Carburettor
    • Power Output:
      • Range – approximately 50 kW (67 HP) to 54 kW (72 HP).

       G16B Engine (Suzuki Baleno):

    • The G16B engine is a 1.6 L 1590cc
    • Key Specifications:
      • Displacement: 1590cc
      • Bore x Stroke: 75.0 mm x 75 mm
      • Compression Ratio: 9.5:1
      • Valve Train: Single overhead camshaft 16 valve
      • Fuel System: Multi-point fuel injection (EFI)
    • Power Output:
      • Range – approximately 69 kW (93 HP) to 71 kW (96 HP).

Benefits to Upgrading to EFI

  • No More Cold Start Problems: EFI makes cold-weather engine starts hassle-free. No more morning motor struggles!”
  • Improved Off-Road Performance: “EFI conquers steep inclines for smooth off-road adventures.” 
  • Smoother Running: EFI systems provide precise fuel control, resulting in smoother engine operation. No more rough idling or uneven power delivery.
  • Enhanced Fuel Efficiency: EFI optimizes fuel-air mixture, leading to better mileage. Enjoy longer drives without frequent stops at the pump.
  • Sharper Throttle Response: Say hello to snappier acceleration. EFI systems react swiftly to throttle inputs, giving you better control over your motor.
  • Enhanced Power: Unleash formidable power for both on-road and off-road adventures.

Absolutely! Don’t hesitate—upgrade to EFI and experience these benefits first-hand!


All our Suzuki Sierra Motor conversions feature fully reconditioned motors meticulously built by 4WD Partshop. In today’s market, sourcing reliable second-hand motors has become an difficult task, as all doner cars are disappearing off the road leaving the only option to recondition old core stock, but lets face it if your spending this amount of time and money why not do it right the first time.

Suzuki Sierra motor conversion can seem like a daunting task, but with the right parts and with good mechanical experience , it’s entirely doable. Remember, the key to a successful motor conversion is preparation and understanding the process. If your unable perform this Suzuki Sierra Motor Conversion there is also our workshop that carries these types of jobs on all the time, Happy upgrading!

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Please note: This blog post is intended for informational purposes only. Always consult with a professional before attempting any vehicle modifications.