KM 90 - Powerful 0.95kW CombiEngine with 4-MIX engine and bike handle

Standard features

Anti-vibration system:

Intense vibration at the handles of power tools can lead to longer-term effects of blood vessels in the hands and arms. STIHL have therefore developed an effective anti-vibration system where by the oscillations from the machines engine are dampened by rubber buffers. This significantly reduces vibrations at the handles allowing for more comfortable and safer operation.
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Standard features

Bike handle:

When used in conjunction with a harness, the bike handle enables a smooth mowing action. Ideal for working on large areas and allows the machine to be easily guided, thus reducing fatigue.
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Standard features

Decompression system:

The decompression valve allows some of the compression pressure in the cylinder to escape, so less force on the starter rope is needed.
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Standard features

Electronic ignition module:

This ensures reliable starting and trouble-free running. The ignition system is fully encapsulated and thus proof against damp and dirt.
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Standard features

Multi-function control handle:

This houses all the engine controls. Easy, comfortable thumb-operated control means the operator's hand never leaves the handle.
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Standard features

Quick-release coupling:

The quick-release coupling allows the CombiSystem to be quickly dismantled into two parts for easy transport and storage – and then re-assembled quickly without tools.
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Standard features

Shoulder strap / carrying system:

Using a STIHL shoulder strap or carrying harness with soft padding makes work more comfortable, particularly during lengthy jobs.
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Standard features

Split shaft:

With split shaft and special no-tools quick-release coupling the CombiSystem is highly versatile, easily transported and easy to store.
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Standard features

STIHL 4-MIX engine:

You can always rely on STIHL to keep setting new benchmarks this time with 4-stroke mixed lubrication technology. The STIHL 4-MIX engine, which runs on a fuel-oil mix just like a 2-stroke, offers the benefits without the compromises of 4-stroke power. STIHL 4-MIX engine technology provides fast acceleration, more power, added torque, lower noise, reduced emissions and increased fuel efficiency to complete jobs quickly, quietly and more easily.
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Powerful robust CombiEngine for demanding and frequent applications. With the patented STIHL 4-MIX engine providing fast acceleration, more power, added torque, lower noise and increased fuel efficiency when compared to a 2-stroke engine. With Bike handle. Quick release coupling for easy dismantling and changing of tools. Suitable for KM-MB, KM-AC, KM-FH and KM-BF CombiTools.

Technical data
Displacement 28.4 cm³
Power output 0.95/1.3 kW/bhp
Weight Without fuel and tool 4.8 kg
Overall length 92 cm
Models available
KM 90

Additional accessories:

To meet your exact requirements, attachments are not included with the engine unit. Select one of the attachments from below to complete your perfect machine.

KM-AC

CombiTool mowing head AutoCut 25-2 for the STIHL CombiSystem. Designed for mowing and trimming around obstacles. Approved for all CombiEngines and FR 130 T.

KM-AC
Technical data
Tool  Mowing line AutoCut 25-2 
Weight  1.2 kg
Overall length  94 cm
KM-AC

KM-MB

Grass cutting blade MB 230-2, Used for mowing heavy grass and weeds. Not for trimming around obstacles. Approved for all CombiEngines and FR 130 T backpack brushcutter.

KM-MB
Technical data
Tool  Metal grass cutting blade 
Weight  1.2 kg
Overall length  94 cm
KM-MB

KM-FCB

For edging along walkways and planting beds. Adjustable depth control wheel and built-in blade "sight" helps with making the correct cut. Suitable for all loop handle CombiEngines (KM 55 R, KM 55 RC-E, KM 85 R, KM 90 R, KM 100 R, KM 130 R) and FR 130 T.

KM-FCB
Technical data
Tool  Edge trimmer with bent shaft 
Weight  2.3 kg
Overall length  92 cm
KM-FCB

KM-FH 135°

Unique grass and weed trimmer for precision trimming. The grass "lies down" after it is cut. Ideal for tight trimming conditions. The head quickly and easily adjusts 270° (135° working range) in 13 locking positions without tools. Suitable for use with all CombiEngines and FR 130 T.

KM-FH 135°
Technical data
Tool  Scrub cutter 135° adjustable 
Weight  2.4 kg
Overall length  133 cm
KM-FH 135°

KM-BF

Pick tines CombiTool for the STIHL CombiSystem. A lightweight cultivator for getting into tight places. Ideal for rejuvenation of flower beds and plantings, and for mixing amendments into the soil. Approved for all CombiEngines and FR 130 T.

KM-BF
Technical data
Tool  Pick tines 
Weight  4.1 kg
Overall length  100 cm
KM-BF

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Standard features

Variations

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information