To start the BR 800 X, first prime it 5 to 6 times. Next, set the choke for a cold start and pull the starter until the engine fires. After that, move the choke to the half-position and pull the starter again to keep it running. For full starting instructions, please refer to the manual.
Stihl Gas-Powered Backpack Blower, 79.9cc, 4.4 HP, 912 CFM, Model# BR 800 X Magnum

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- Ergonomic S-shaped shoulder straps and an easily adjustable handle allow each user to select their most comfortable working position
- Hanging slot for convenient storage when not in use
- Reduced-Emission Engine Technology is environmentally conscious, producing zero or low exhaust emissions
- Anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience
- Adjustable support harness distributes weight evenly across the shoulders and back, reducing user fatigue
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Description
Key Specs
Reviews
Q & A
Warranty
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Product Summary
This item may be purchased at select Northern Tool stores. Not available for online order at NorthernTool.com.
What's Included
- (1) Gas-powered blower

Features + Benefits
- Ergonomic S-shaped shoulder straps and an easily adjustable handle allow each user to select their most comfortable working position
- Hanging slot for convenient storage when not in use
- Reduced-Emission Engine Technology is environmentally conscious, producing zero or low exhaust emissions
- Anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience
- Adjustable support harness distributes weight evenly across the shoulders and back, reducing user fatigue
- Multi-Function Control Handle provides easy access to all of the controls on one comfortable handle so the operator's hand never has to leave the handle
- Purge pump primer feature enables the user to prime the carburetor with fuel, enabling easier starting while helping to prevent engine flooding
- Throttle Trigger Lock with built-In Momentary Stop Switch allows the user to turn off the engine with a simple press of the button or lever
- Protected spark plug is secure yet easy to change
Key Specs
| Attribute | Specification |
|---|---|
item# | 73370 |
Brand | Stihl |
Manufacturer's Warranty | 2 year limited warranty |
Ship Weight | 30.5 LB |
Blower Type | Backpack |
Power Source | Gas |
| Attribute | Specification |
|---|---|
Cylinder Displacement | 79.9 cc |
Air Velocity | 199 MPH |
Air Volume | 912 cfm |
Noise Level | 78 dB |
Product Weight | 23 lb |
Reviews
Questions & Answers
Questions
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· 3 months ago
How to start blower
1 answer-
ProductExpert29· 3 months ago
Helpful?
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· 5 months ago
Can you blow snow with this blower without damaging the motor?
1 answer-
ProductExpert30· 4 months ago
This blower would work to blow light, powdery snow but would not be as effective with heavy, wet, or deep snow.
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· 6 months ago
Is the br800x 2 stroke or 4 stroke? Does it have an oil reservoir if it is 4 stroke? Does it require oil changes?
1 answer-
ProductExpert6· 6 months ago
the backpack blower ha a 2-stroke engine. The backpack blower uses a 50:1 oil and gas mix. It should be changed periodically.
Helpful?
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· 6 months ago
Is the equipment equipped to disperse chemicals, such as mosquito spray
1 answer-
ProductExpert29· 6 months ago
The STIHL BR 800 X Magnum backpack blower is specifically designed for high-powered air dispersal and is not intended for applying chemicals like mosquito spray. It is primarily used to clear leaves, debris, and for general cleanup.
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· 2 years ago
Do you add oil and gas together
1 answer-
ProductExpert6· 2 years ago
The backpack blower would use a 50:1 oil and gas mix.
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· 4 years ago
Hello,what is the knob on the back for
1 answer-
ProductExpert11· 4 years ago
This will be the choke knob. The knob will be turned to either cold engine or warm engine start.
Helpful?
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· 5 years ago
What fuel do you recommend for this product? Pre-mixed or self mix and what octane is best if you self mix?
1 answer-
ProductExpert6· 5 years ago
It would be your preference on which you would want to use. The pre-mix may be best, as it has a longer shelf life. If self mixing you would want to use 89 or higher octane. It would require a 50:1 mix.
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· 6 years ago
Does the Stihl be 800 x magnum only come stock with one fuel pickup in the fuel tank?
1 answer-
ProductExpert19· 6 years ago
The BR 800 uses just one fuel pickup unit in the tank. The design of the fuel tank is such that the low point of the tank is in the center making the fuel flow to the lowest point regardless of which way the operator is leaning. The fuel pickup body falls naturally in this low point.
Helpful?
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Warranty
Manufacturer's Warranty
2 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Repair Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Specifications
Backpack
Handheld
Handheld
Handheld
Gas
Gas
Gas
Gas
79.9 cc
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199 MPH
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912 cfm
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78 dB
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23 lb
9.9 lb
9.7 lb
11.0000 lb
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37.0 x 9.5 x 14.0 in
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