Has Anyone Ever Seen a Bad Flywheel Cause No Spark?

The darn thing has no spark. I figured a bad coil, but much to my surprise, if I swapped a different flywheel in, the saw had spark. The flywheel has a broken fin that did some damage to the

stihl 064 with 066 flywheel coil | Arborist, Chainsaw & Tree Work Forum

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

stihl 064 flywheel and coil combo help

I have a stihl 064 I think the coil is going out. I pulled the flywheel today and its a 1122 400 1204 the coil is the prufrex 1122 400 1303. I know this was talked about a few months ago but

What does a flywheel do and what is it connected to?

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

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

Tightening flywheel nut on Stihl ms170

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

Flywheel gap??? | Arborist, Chainsaw & Tree Work Forum

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

Flywheel removal made easy

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;

Chainsaw flywheel switching polarity of magnets?

Saw a video last night of someone “referencing “ another video about someone removing a flywheel the tooless way, hammering it off with a hammer and punch. Said it somehow reversed

064 / 066 / MS660 18 flywheels, 7 coils

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