® AutoTune ™. ® Always optimal engine setting Higher productivity – Optimal engine performance at all times – No time spent on carburettor adjustments.

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AutoTune™

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• Always optimal engine setting• Higher productivity

– Optimal engine performance at all times– No time spent on carburettor adjustments

• Compensates for– Different fuels; low quality, ethanol, alkylate fuel (e.g.Aspen)– Altitude– Temperature, cold start– Humidity– Clogged air filter

AutoTune ™

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AutoTune- Microprocessor

• A microprocessor is integrated into the valve housing, connected to the ignition module, monitoring engine RPM as well as fuel-air mixture.

• The digitally controlled magnetic valves opening and closing is synchronised with the RPM.

• The frequency of opening and closing of magnetic valve is variable, which regulates the fuel feed.

Micro Processor

Fuel Flow

Valve

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Standard Carburettor

In a standard carburettor the fuel flow is tuned by using the L and H needles.

Fuel Inlet Fitting

Throttle valve

Main Fuel Take Off

Low Speed Nozzle

Venturi

Main nozzle

Main speed Needle

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AutoTune-Carburettor and AutoTune

Fuel Inlet Fitting

Throttle valve

Main Fuel Take Off

Venturi

Main nozzle

The AutoTune carburettor imitates the standard carburettor by using a fuel valve that can be opened and closed. The fuel valve is controlled by the micro processor.

AutoTune unit with

Micro Processor

Fuel Flow

RPM

Valve

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AutoTune-Engine Diagnostic Tool

A service tool connecting computer with chain sawFunctions:•Diagnoses errors, codes•Tests

–Throttle sensor–Temerature sensor–Fuel Valve

•Service notes–Electronic service book

•Data–Operating time–Number of starts >1 min–Most recent engine fuel setting adjust–Max speed last run–carb temp

Max, history–Fuel settings–Time spent different rpm´s interval, idling, cutting, max