Sumec

Overview Starting a petrol chainsaw safely requires correct preparation of the chain brake, fuel system, and starting sequence. Following the correct steps...

Overview Most petrol chainsaw engine issues are caused by incorrect fuel mix, stale fuel, or improper starting conditions. This guide focuses on checking a...

Overview If your petrol chainsaw is revving higher than normal or running at excessive speed, it is usually caused by a throttle control issue, incorrect c...

Overview This article explains the checks you can carry out if your chainsaw stalls when the throttle trigger is released or is unable to maintain a ...

Overview If your petrol chainsaw starts but does not reach full speed when the throttle is applied, this is usually caused by fuel issues, restricted airfl...

Overview If your petrol chainsaw engine is running but the chain does not rotate when you apply throttle, the issue is usually caused by an engaged chain b...

Quick Answer If your petrol chainsaw is not lubricating the chain, the most common causes are incorrect oil, a blocked oil outlet, an empty oil tank, or a ...

Quick Answer If the pull cord on your petrol chainsaw will not retract, it is usually caused by a fault within the starter assembly, such as a damaged reco...

Quick Answer If the start/stop (ignition) switch does not turn off your petrol chainsaw, this is a safety-critical fault usually caused by a wiring issue o...

Quick Answer If your petrol chainsaw chain will no longer tighten or loosen correctly, the chain tensioner assembly may be worn or damaged. Replacing the a...