What is the STIHL FSA 90 R trimmer?
The STIHL FSA 90 R is a professional battery-powered straight-shaft trimmer designed for commercial landscaping and maintenance in noise-sensitive areas.
Who is the STIHL FSA 90 R best suited for?
It is ideal for professional landscapers, municipal crews, school grounds, hospitals, business districts and other properties where quiet operation is important.
What battery system does the STIHL FSA 90 R use?
It is part of the STIHL AP Battery System.
What battery is recommended for the STIHL FSA 90 R?
The recommended battery is the STIHL AP 300.
Are the battery and charger included?
The FSA 90 R may be sold as a standalone tool or as part of a set. Confirm the exact package before purchase.
What voltage does the STIHL FSA 90 R use?
It operates at 36V.
What type of battery technology does it use?
It uses STIHL lithium-ion AP System batteries.
What is the runtime with an AP 100 battery?
The listed runtime is up to approximately 10 minutes.
What is the runtime with an AP 200 battery?
The listed runtime is up to approximately 20 minutes.
What is the runtime with an AP 300 battery?
The listed runtime is up to approximately 30 minutes.
What is the runtime with an AR 1000 battery?
The supplied specifications appear to list this as “AP 1000,” but it likely refers to the STIHL AR 1000 backpack battery. The listed runtime is up to approximately 80 minutes.
What is the runtime with an AR 2000 battery?
The supplied specifications appear to list this as “AP 2000,” but it likely refers to the STIHL AR 2000 backpack battery. The listed runtime is up to approximately 120 minutes.
What is the runtime with an AR 3000 battery?
The supplied specifications appear to list this as “AP 3000,” but it likely refers to the STIHL AR 3000 backpack battery. The listed runtime is up to approximately 150 minutes.
Does runtime vary?
Yes. Runtime depends on the battery, cutting attachment, vegetation density, ECOSPEED setting and operating technique.
What is the cutting width of the STIHL FSA 90 R?
It has a cutting diameter of approximately 380 mm, or about 15 inches.
What cutting head comes with the STIHL FSA 90 R?
It comes with the STIHL AutoCut 25-2 mowing head.
How does the AutoCut 25-2 head work?
The operator taps the mowing head on the ground while it is running to advance more trimmer line.
Can the STIHL FSA 90 R use a metal cutting attachment?
The supplied vibration specifications include values for a metal tool, indicating compatibility with approved metal attachments.
Can the STIHL FSA 90 R be used for brush clearing?
It can handle heavier grass and vegetation with an approved metal attachment, but a dedicated clearing saw may be better for woody brush and saplings.
What type of shaft does the STIHL FSA 90 R use?
It uses a straight shaft for greater reach and easier access beneath shrubs, fences and other obstacles.
What does the R designation mean?
The R designation identifies the loop-handle version, which provides greater maneuverability around obstacles and in confined spaces.
What type of handle does the STIHL FSA 90 R use?
It uses an ergonomic loop handle.
Why is the loop handle useful?
It provides precise control when trimming around trees, bushes, fences and landscape features.
What is STIHL ECOSPEED?
ECOSPEED allows the operator to limit the maximum motor speed using the control handle.
How does ECOSPEED improve runtime?
Reducing the maximum speed during lighter work can lower battery consumption and extend operating time.
What is the soft-stop trigger setting?
It provides smoother speed control and allows the operator to avoid using full power when it is not needed.
Does the STIHL FSA 90 R have variable speed?
Yes. The trigger and ECOSPEED control allow the operator to adjust cutting output for different tasks.
Does the STIHL FSA 90 R start instantly?
Yes. The motor starts when the battery is connected, the safety controls are engaged and the trigger is pressed.
Does it require a pull cord?
No. Battery operation eliminates recoil starting, priming and choke adjustments.
What type of motor does the STIHL FSA 90 R use?
It uses a professional electric motor designed for efficient battery-powered performance.
Does the STIHL FSA 90 R require gasoline?
No. It operates entirely on rechargeable battery power.
Does it require mixed fuel or oil changes?
No. It has no gas engine, carburetor, spark plug or engine-oil system.
Does the STIHL FSA 90 R produce exhaust emissions?
No. It produces no direct exhaust emissions during operation.
Is the STIHL FSA 90 R quiet?
Yes. It operates more quietly than a comparable gas-powered trimmer.
Can it be used in noise-sensitive areas?
Yes. It is designed for places such as hospitals, schools, hotels, residential areas and business districts.
How much does the STIHL FSA 90 R weigh?
The listed weight is approximately 2.8 kg, or 6.2 lb.
Does the listed weight include the battery?
No. The supplied notation indicates that the listed weight excludes the battery and cutting attachment.
How long is the STIHL FSA 90 R?
The listed total length is approximately 177 cm.
Is the STIHL FSA 90 R easy to maneuver?
Yes. Its slim profile, low tool weight and loop handle provide good control around landscaping and obstacles.
Is it easy to transport?
Yes. Its straight, slim design and relatively low weight make it easier to load and carry than many gas-powered professional trimmers.
What are the vibration levels with a plastic cutting tool?
The listed vibration levels are approximately 4.8 m/s² on the left handle and 3.5 m/s² on the right.
What are the vibration levels with a metal cutting tool?
The listed vibration levels are approximately 1.4 m/s² on both handles.
Why do vibration levels vary by attachment?
Different cutting heads and blades have different balance, weight and operating characteristics.
Is the STIHL FSA 90 R suitable for large properties?
Yes. Its professional AP System performance and 15-inch cutting width make it suitable for commercial and larger residential properties.
Is it designed for professional use?
Yes. It is built for professional landscaping and grounds-maintenance applications.
Is the STIHL FSA 90 R maintenance-free?
No. It requires less maintenance than a gas trimmer, but the cutting head, guard, fasteners and battery connections still require inspection and care.
What maintenance does the STIHL FSA 90 R require?
Routine care includes cleaning the guard and cutting attachment, checking the line or blade, inspecting fasteners and keeping the electrical contacts clean.
Should the battery be removed before maintenance?
Yes. Disconnect or remove the battery before reloading line, changing attachments, cleaning or inspecting the machine.
How should the STIHL FSA 90 R be stored?
Remove the battery, clean the tool and store it in a dry, secure location away from extreme temperatures.
What protective equipment should be worn?
Wear eye and face protection, sturdy footwear, gloves, long pants and hearing protection where required.
What are the main benefits of the STIHL FSA 90 R?
Its main benefits include professional battery performance, a lightweight straight-shaft design, ECOSPEED control, quiet operation and compatibility with the STIHL AP System.
Where can I buy the STIHL FSA 90 R trimmer in Canada?
The STIHL FSA 90 R trimmer is available in store from Arns Equipment in Calgary or online across Canada at arns.ca.