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Troy WeaverNov 2, 2025
How to fix deteriorating engine performance on my Viking MB 410 Lawn Mower?
- JJacqueline SmithNov 2, 2025
To address deteriorating engine performance in your Viking Lawn Mower, start by pressing the motorstop lever to the handlebar. Then, replenish the fuel and ensure the fuel line is clean. Always use fresh, good-quality fuel, such as normal unleaded petrol, and clean the carburetor. Refer to the engine instruction manual for instructions on how to clean the air filter and adjust the electrode gap. Additionally, check the spark plug connector and the connection between the ignition lead and connector. Clean or replace the spark plug as needed. If the issue persists, remove the spark plug and dry it. Pull the starter cable repeatedly with the spark plug removed, keeping the throttle lever in the STOP position. Also, clean the mower housing after disconnecting the spark plug connector before cl...






