I'll dig into that as well, I'm going shim down a size on the exhaust valves so they sit at .23 instead of .28. Have read several different specs on them but they all start at .20 and go to .25 or .30. When they were tight I got no sign of firing up after the bike was ran, now it wants to but its off just a bit. Maybe they are too loose now and should fall in the .20-.25 range.
Running 98 octane as well, not sure if that could cause anything compared to 91/93 octane since it technically burns slower but cleaner.
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