not-starting Troubleshooting

Mower won't start on the Stihl MS 261 C-M

Source: iFixit — repair guides & answers Confidence: 60% Verified Aug 9, 2026

The lawn mower does not start, often due to a battery, fuel, or spark plug issue.

How to fix Mower won't start

Check the fuel

Ensure the fuel tank has fresh fuel.

Source: iFixit — repair guides & answers Confidence: 60% Verified Aug 9, 2026

Difficulty: ★ Est. 2 min

Check the spark plug

Inspect and replace the spark plug if fouled.

Source: iFixit — repair guides & answers Confidence: 60% Verified Aug 9, 2026

Difficulty: ★ Est. 10 min

Parts needed: Stihl MS261C-M Spark Plug

Replacement parts for the Stihl MS 261 C-M

Stihl MS 261 C-M Guide Bar Stihl MS 261 C-M Replacement Battery Stihl MS261C-M Chainsaw Chain Stihl MS261C-M Air Filter Stihl MS261C-M Spark Plug Stihl MS261C-M Chain Oil Stihl MS261C-M Guide Bar

← All Stihl MS 261 C-M error codes

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