Yes, that's a CH Ignitions unit. The color of the box tells me it's a fixed timing box, has throttle coupled timing advance. I don't have that type ignition and the average Joe or saw shop cannot (should not) repair it. I can offer you a CH Ignition replacement that is auto advance but it will require minor engine modification. If you can do that yourself great but I'm not sure.
That ignition is repairable and if that's the route you want to go you need to contact Adrian <font size="2">@
[email protected]
Those ignitions are becoming more and more rare, they are the best ignitions made bar none, they warrant and deserve a little more thoughtful and careful use.
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