Jan 12, 2016 · A flywheel serves four main purposes (in most vehicles): It provides mass for rotational inertia to keep the engine in motion It is specifically weighted to provide balance for the crankshaft It …

Jan 11, 2025 · Flywheel nuts are most commonly left hand thread. Lets say a saw did have a right hand thread nut ,then the same scenario would be true, as soon as that flywheel even slightly loosens the …

Nov 19, 2025 · My Stihl MS-271 intermittently starts & I began this journey by replacing the spark plug first: I tried 2 chinese Amazon coils, neither worked.I reinstalled the original coil ,fired right up,then it …

Apr 20, 2016 · This previous question explains what a flywheel does and why it is needed. That explanation means that the flywheel needs a certain amount of mass to do its job. However, an …

Jun 25, 2015 · QUESTION - I have a flywheel 1203/1204 with a single keyway, when I line up the magnets with a dual keyway 1203 flywheel the single keyway lines up with the 1:00 keyway rather …

Nov 26, 2007 · The flywheel in the pic looks like the "new" stihl type. 341/361? The correct tool uses the two threaded holes either side of the flywheel nut. Part number 5910 890 4504 for; …

Mar 1, 2018 · Rotate the flywheel and remove the business card. Give the flywheel at least one full rotation to make sure there is no contact with the coil and you have a slight visible gap when the …

May 30, 2017 · The solenoid pushes a little gadget that engages with the flywheel / flex plate, so that when the starter spins, it turns the motor. If you just hear a whirring sound like the starter motor is …

Mar 7, 2014 · Again this coil and flywheel are coated with grime, as though they have been used in this saw and untouched for a long time. Leads me to believe this combo will work together, as previously …

Apr 15, 2025 · 066 after # X 33 917 066 all of the following - larger big end bearing, longer crankshaft with different ignition taper and larger threads, new crankcase, lightweight poly flywheel 1122-400 …