Description
The MSA 300 is STIHL’s most powerful cordless chainsaw, designed for demanding professional use – with power equivalent to that of the MS 261 C-M petrol chainsaw. Three available operating modes enable optimum battery efficiency across a range of applications such as felling, delimbing and cutting to length.
The MSA 300 has a full electrical power of 3.0 kW, which is provided by the AP 500 S* battery. It allows for an adjustable chain speed of 3 different levels – 20m/s, 24m/s and 30 m/s. When combined with the Light 04 guide bar and .325″ RS Pro saw chain, it has excellent cutting performance whilst retaining a reduced weight. The chainsaw is highly ergonomic and comfortable to use over longer periods of work, too, thanks to a compact, balanced design and the STIHL anti-vibration system.
The LED display allows for intuitive operation, giving the user notifications on chain brake position and power setting. Mounting point for the STIHL Smart Connector 2 A on the power tool housing. Other features include integrated cooling air filters, a captive nut on the sprocket cover and an adjustable oil pump. Like most AP System tools, the MSA 300 is IPX4 rated, meaning it can be used in all types of weather conditions.
Working time with AP 500 S battery is up to 20-44 mins (working time depends on chosen speed setting).
*The MSA 300 must be used with the AP 500 S battery, the most powerful AP battery from STIHL, which features power laminate technology – meaning it has double the number of charging cycles of a typical STIHL AP system battery with cylindrical cells. Approximately 253 charging cycles per year (253 working days, excluding weekends and bank holidays in the UK) means the battery will last close to 10 years without the typical capacity loss of the battery cells. Integrated Bluetooth® interface for STIHL connected allows the battery to be managed like a power tool.
Specifications
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Battery Included |
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Sound Level |
Weight (Excl. Bar & Chain) |
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Battery Included | No |
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STIHL Chainsaw Maintenance Guide

Maintenance measures each time you use your chainsaw
- Before using your chainsaw, check it is safe. Start with a visual check: can you see any damage on the chainsaw or its controls? Are the guide bar, saw chain, chain catcher and other accessories correctly fitted? If a repair is needed, take the chainsaw to a dealer to look at.
- Test the throttle trigger, throttle trigger lockout, choke knob, stop switch and master control lever (subject to model).
- Test to make sure the chain brake is working.
- Check the condition of the saw chain (does it need further maintenance in terms of sharpness and chain tension?) and the chainsaw guide bar.
- Is the chain properly lubricated?
- Check whether the fuel tank cap and the oil tank cap are sealed.
- There must not be any fuel leaking from the chainsaw.
- After use, clean the chainsaw and remove any shavings and dust.
Periodic maintenance measures for long-term chainsaw care
- Clean the guide bar (the sprocket nose, the oil inlet hole, the oil outlet channel and the bar groove), the chain sprocket cover, the cylinder fins and the inside of the shroud and the filter cover.
- We recommend turning over and, if necessary, deburring the guide bar at regular intervals or when you notice signs of wear.
- After breaking in a new saw chain, check the chain tension and ensure the chain is always lubricated.
Ongoing chainsaw maintenance is key
Cleaning after every use is the most important maintenance measure to keep your chainsaw in great condition. That’s because it picks up resin, sawdust and other substances which, in combination with the chain lubricant, can soon cause real problems: resin accumulates and hardens, and can eventually make its way into the housing and guide bar. Our advice is that all traces of resin should be removed from the bar and housing at the earliest possible opportunity. We recommend you make STIHL Varioclean part of your maintenance routine when cleaning your chainsaw.
An overview of maintenance for electric and petrol chainsaws
Electric chainsaw maintenance
Electric chainsaws have a simpler construction than petrol tools, so they require fewer cleaning and maintenance steps:
- Remove shavings and dust from the whole chainsaw (use a soft brush, paintbrush or STIHL resin solvent)
- Clean the sprocket area with a damp cloth or STIHL resin solvent
- Clean the bar groove
- Remove any burrs forming on the bar groove
- Clean the chainsaw ventilation slits with a paintbrush
Use a STIHL guide bar leveller to remove burrs from the guide bar.
Cordless chainsaw maintenance
As well as the measures listed above, if you have a cordless chainsaw, we recommend some additional measures:
- Remove foreign bodies from the battery slot and clean the battery slot with a damp cloth.
- Clean the electrical contacts in the battery slot with a paintbrush or soft brush.
Petrol chainsaw maintenance
If you have a petrol chainsaw, there are a few other maintenance considerations to keep in mind:
- Check that the fuel and chain lubricant tanks are sealed and that no fuel or lubricant is leaking from them.
- Regularly clean the air filter and the air filter housing.
- Check the spark plug for wear and remove any soot on a regular basis.