Chainsaw Repair

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Anywho, these 42 specials scream when ya port em. Turns out the transfers were open, so I couldn't mess with them much without an angled power tool. So I just opened it up as you normally would, port-matched the exhaust, gave it a tad more intake timing, raised the exhaust back to stock after dropping the gasket for a squish of around .020. According to the part number in europe for the Galordoni cylinder, it was for a 242 special. The piston is a flat top VS the standard 42's dished piston. Compression is way up there for a lil saw. It was good to start. I'll have a vid of it with the tune I received it in(anemic at best). Me tuning it, and then after it was ported. This little thing reminds me of all those wild thing videos I've seen now. It cost £50, so not much loss if she explodes, really. But hopefully she'll keep it together. Since the spec on the 42 is 14.5k RPM, the 42 special at 15K, and the 242xp at 15.5K, how much should a ported 42 special turn? She has a ton of torque in wood for her size, but she is screaming on the top end out of the wood so much It scares me. If I richen her up much more, she starts acting liek well..like she's running too rich.