In this video, we show you how to change the Spark Plug on a Stihl MS170. Click here for a full list of parts, tools & transcript!
Parts
Genuine NGK BPMR7A Spark Plug - 4626 - Sold Individually
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Air Filter Element for Stihl MS170 MS180 - 1130 124 0800
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Top Cover/Shroud for Stihl MS170 MS180 - 1130 140 4709
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Tools
13/19mm Combination Plug/Bolt Spanner for Changing Spark Plugs
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Non Genuine Torx Wrench/Plug Spanner for Stihl TS410 TS420
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Health & Safety Warning Please ensure that you have safely prepared the machine and workspace. If you are unsure about any aspect of the task please seek professional advice.
Transcript
Today, we're going to change the Spark Plug on a Stihl MS170 Chainsaw. First of all use a flathead screwdriver to unlock the shroud. You can now remove the shroud from the machine. Lift the air filter from the machine, this will make it easier to access the spark plug. Remove the rubber cap from the spark plug. Use the 19mm Hex Socket Spanner to loosen the Spark Plug. Once it's loose you can remove the spark plug by hand. By hand, screw the new spark plug into the machine. Make sure it's secure. Place the spark plug cover back on. Relocate the air filter back into place. Place the shroud back over the machine. Fix the shroud onto the machine by tightening the screw located at the back of the shroud. That's how you change the Spark Plug on the Stihl MS170. All the parts & tools needed for this task are listed in the description below.
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