G13B engine — Suzuki 1.3 (1.3L)
1.3L · 67-101 hp
Engine overview
Vehicles with this engine
Factory specifications
Values from the manufacturer documentation for this engine.
Engine (general)
| Engine code | G13BA |
| Capacity | 1298 cc |
| Idle speed | 850 ± 50 rpm |
| Normal | 14.5 bar |
| Minimum | 11 bar |
| Oil pressure | 3.8 - 4.8/4000 bar/rpm |
| Idle speed | 700 ± 50 rpm |
| Automatic | 850 ± 50 rpm |
| Inlet | 0.23 - 0.27 mm |
| Exhaust | 0.26 - 0.30 mm |
| Normal | 14 bar |
| Oil pressure | 3.0 - 4.2/3000 bar/rpm |
| Engine code | G13B |
| Idle speed | 800 ± 50 rpm |
| Minimum | 10.8 bar |
| Oil pressure | 4.0 - 4.8/3000 bar/rpm |
Engine (petrol)
| Fuel system (make and type) | Suzuki EPi |
| Number of cylinders | 4 |
| Firing order | 1-3-4-2 |
| Timing stroboscopic (before TDC) | 6 ± 1/850 °/rpm |
| Ignition coil resistance, primary | 0.72 - 0.88 ohms |
| Ignition coil resistance, secondary | 10200 - 14000 ohms |
| Spark plugs (make and type) | NGK BPR6ES |
| Spark plug gap | 0.7 - 0.8 mm |
| Injection pressure/system pressure | 2.5 bar |
| CO exhaust gas | < 0.5 % |
| CO2 | 14.5 - 16.0 % |
| HC | 100 ppm |
| O2 | 0.1 - 0.5 % |
| Lambda | 0.97-1.03 |
| Lambda change (Delta Lambda) | 0.02 |
| Oil temperature during test | 80 °C |
| Fast-idle speed | 2500-2800 rpm |
| CO at fast-idle speed | < 0.3 % |
| Closed-loop test at: | 500-1200 rpm |
| Fuel system (make and type) | Aisan |
| Timing stroboscopic (before TDC) | 6 ± 1/700 6 ± 1/850 °/rpm |
| Ignition coil resistance, primary | 1.08 - 1.32 ohms |
| Ignition coil resistance, secondary | 11400 - 15600 ohms |
| CO exhaust gas | 1.0 ± 0.5 % |
| CO2 | 13 - 16 % |
| HC | 300 ppm |
| O2 | 0.5 - 2.0 % |
| Timing stroboscopic (before TDC) | 6/800 ± 50 °/rpm |
| Spark plugs (make and type) | NGK BPR6ES Champion RN9YC |
| Injection pressure/system pressure | 1.8 - 2.1 bar |
| Catalytic converter | < 0.3 % |
| Catalytic converter | 14.5 - 16.0 % |
| Catalytic converter | < 200 |
| Catalytic converter | 0.1 - 0.5 % |
Cooling system
| Cap pressure | 0.9 bar |
| Thermostat opens at | 82 - 88 °C |
| Fan on at | 93 - 98 °C |
| Thermostat opens at | 82 °C |
| Fan on at | 93 °C |
Electrical
| Battery | 38 Ah |
| Alternator | 50 A |
Capacities
| Engine sump, incl. filter | 3.6 l |
| Gearbox refill | 2.4 l |
| Cooling system | 4.7 l |
| Engine sump, incl. filter | 3.7 l |
| Gearbox refill | 3.5 l |
Torque settings
| Cylinder head bolts — Stage 1 | 65 - 70 Nm |
| Front hub | 150 - 200 Nm |
| Wheel nuts | 70 Nm |
| Spark plugs | 25 - 30 Nm |
| Cylinder head bolts — Stage 1 | 70 - 75 Nm |
| Rear hub | 80 - 120 Nm |
| Wheel nuts | 50 - 70 Nm |
Emissions
| Emission code | 70/220*1999/102A |
| Emission standard | Euro 3 |
| CO2 average | 132 g/km |
| CO | 0.324 g/km |
| HC | 0.040 g/km |
| NOx | 0.006 g/km |
Workshop procedures for this engine
Step-by-step procedures from the workshop database.
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Get free diagnosis →Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
Specifications, service figures and torque values come from manufacturer workshop documentation. The known-faults and tips sections were drafted with AI from public sources and re-checked in October 2026; anything that could not be confirmed was removed. Where the two disagree, the factory figure is the one to use.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
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The story behind TorqFix → · How these pages are made →Workshop data on this page last updated 22 Aug 2026.