This video provides step-by-step instructions for replacing the flywheel on Ryobi and Homelite hedge trimmers. The most common reason for replacing the flywheel is if the engine won’t turn.
All of the information in this flywheel replacement video is applicable to the following brands: Ryobi, Homelite Tools used: T25 Torx bit, spark plug wrench, clutch tool, rope, T20 Torx bit, two flat-head screwdrivers Step-By-Step Instructions 1 Before you replace the flywheel on your hedge trimmer first make sure the engine has cooled. 2 Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting. 3 Turn the hedge trimmer over and use a t-25 torx bit screwdriver to remove the mounting screws securing the blade and handle assembly. 4 Separate the assembly from the engine housing. 5 Use a spark plug wrench to help unthread the spark plug. 6 Now confirm that the piston is in the “down” position. 7 Insert a cord into the cylinder to prevent the piston from moving. 8 Use a clutch removal tool to loosen the clutch by rotating it counter-clockwise then unthread the clutch from the engine shaft. 10 Use a t-20 torx bit screwdriver to remove the mounting screws securing the recoil assembly. 12 Remove the spacer tube and washer from the engine shaft. 13 Make sure the flywheel magnets are rotated away from the ignition coil then use two flathead screwdrivers to help pry the old flywheel off of the shaft. 14 Install the new flywheel by aligning it on the engine shaft until the flywheel is fully seated. 15 Replace the washer and spacer tube. 16 Realign the recoil assembly. 17 Replace all of the mounting screws to secure. 19 Thread the clutch clockwise onto the shaft and tighten. 20 Remove the cord from the cylinder. 21 Rethread the spark plug but be careful not to over tighten. 22 Carefully reposition the blade and handle assembly on the engine housing and replace the mounting screws to secure. 23 Reattach the wire and boot to the spark plug and your hedge trimmer should be ready for use.