I bought my 21 PRO at the end of September from a dealer in Ohio. It was used by the dealer a few times over the summer. It broke almost instantly when I got it home in west Michigan. Krash shipped me a new updated ECU the next day and I replaced the broken bendix, starter and start/stop switch...
Millennium can definitely repair the cylinder but I’m assuming they’re a month or two out right now
I’m checking around to see what’s available ASAP I might jump up to a 10 mill engine
My friend just solved his back firing issue. It was one spark plug boot taking a poop. It would not fire every time allowing fuel to build up and boom! He tried every jetting combo and different carbs and checked all his wiring until he figured it out. Changed the boots and now runs perfect
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