We can only offer advice, It is up to you if you want to take it or not. There are a lot of 2 stroke lovers on the forum - that includes me and I have 3 at the moment - Down to you now.
Diagnosing a fault over the internet is not the easiest of tasks, but stick with the plan and you will get there the cheapest way possible. You may even learn something on the way. You seem to have a coil fixation. They do break but, given the description you have told us, I would repeat the same advice.