Garden / Outdoor Cooking
Ooni Karu 12G Pizza Oven User Manual
Quick guide for the Ooni Karu 12G pizza oven. Includes assembly instructions, safety warnings, lighting procedures, fuel management, and maintenance tips for outdoor use.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
The Ooni Karu 12G is a multi-fuel pizza oven designed for outdoor use only. Never use the oven in confined or habitable spaces such as houses, tents, caravans, or boats due to the risk of carbon monoxide poisoning. Always place the oven on a flat, stable, and non-flammable surface.
Parts List
- a: Main body
- b: Fuel tray
- c: Fuel grate
- d: Baking Stone
- e: Oven door
- f: Fuel hatch door
- g: Draft defender plate
- h: Chimney
- i: Chimney cap
- j: Torx key
- k: Hinge pin
- l: M5x16 screw
- m: DoorPlate
- n: M5x10 screw
Assembly
Refer to the assembly diagrams on pages 1 and 2 of the manual. Ensure the draft plate is fully secured to the oven before use. The product contains a strong magnet; keep away from children.
Lighting Instructions
The Ooni Karu 12G uses wood or charcoal. Only use charcoal suitable for cooking. Do not cook until the fuel has a coating of ash. When using wood, use dry, untreated hardwood pieces (max 15cm long and 4cm in diameter). Add no more than 0.4kg of fuel at one time and ensure there is no more than 0.5kg in the tray at any time.
Extinguishing
Let the fire burn down naturally and allow the oven to cool completely. Do not remove ashes until the oven has cooled down entirely. Ensure all embers are extinguished before storing.
Safety Warnings
- The oven becomes extremely hot during operation.
- Do not move the oven while in use.
- Keep children and pets away.
- Do not use spirit or petrol for lighting or re-lighting. Use only firelighters complying with EN 1860-3.
- Do not use the chimney cap when the oven is lit.
- Do not remove the door while the oven is lit.
- Handle with care as there may be sharp edges on the interior and exterior.
- Allow the oven to fully cool down after use; some areas may remain hot even if the body feels cool.
Practical help
Common problems
Carbon monoxide poisoning risk
Never use the oven in confined or habitable spaces like houses, tents, or caravans.
Sharp edges
Handle the oven with care during assembly and use.
Hot surfaces
The door and other parts remain hot during and after use. Use caution when launching or retrieving pizza.
Before use
- Ensure the oven is on a flat, stable, non-flammable surface.
- Check that the draft plate is fully secured to the oven.
- Ensure you have dry, untreated hardwood (max 15cm x 4cm) or cooking-grade charcoal.
- Keep children and pets away from the oven.
- Ensure no flammable materials are nearby.
Specs in practice
- Max fuel load
- Do not add more than 0.4kg of fuel at one time.
- Max tray capacity
- Ensure there is no more than 0.5kg of fuel in the tray at any time.
- Wood dimensions
- Use pieces up to 15cm long and 4cm in diameter.
- Preheat time
- Heat the oven for at least 30 minutes before the first cooking.
Images and diagrams
- Page 1 and 2 contain detailed assembly diagrams showing the installation of the chimney, fuel tray, door, and draft defender plate.
Model compatibility
- Do not use Ooni Karu 12G with non-compatible gas burners.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.