
What does a flywheel do and what is it connected to?
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 …
What are the benefits of a lightweight flywheel and why aren't they ...
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 …
Flywheel removal made easy - Arborist, Chainsaw & Tree Work Forum
Jun 18, 2012 · 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; …
If my starter is spinning but not engaging flywheel, what is the issue ...
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 …
MS250s flywheel and recoil starter - Arborist, Chainsaw & Tree Work …
Mar 18, 2023 · The flywheel PN "11234001203A" Both are identical. I even had the old flywheel back on at some point but it was still messing with the starter, but that could be because the grooves in the …
How to stop flywheel from spinning without special tools?
How do I stop the flywheel from spinning while torquing the bolts? My repair manual says I should buy a special tool to do it, but I don't want to buy an expensive tool that I'll rarely use. Is th...
Tightening flywheel nut on Stihl ms170 - arboristsite.com
Dec 10, 2020 · 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 …
stihl 064 with 066 flywheel coil | Arborist, Chainsaw & Tree Work Forum
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 …
Ignition won't spark unless flywheel moving really fast?
Jun 9, 2017 · (Plus I can see everything moving together whether I rotate flywheel by hand slowly, with pull on, or with drill on the nut), still have to spin really fast to get spark as noted, what I consider …
064 / 066 / MS660 18 flywheels, 7 coils - Arborist, Chainsaw & Tree ...
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 …