They aren't big, I'm running a pretty high duty cycle at high revs - but I'll be changing them out for 550cc or 750cc when I get these gremlins sorted.
Update - I checked compression using a bit of hose and it seems to have even compression across all 4. I pulled the valve cover off and turned the crank by hand and it all seems to be fine... there was a few oil slosh marks on the valve cover oil baffle around cylinder 3, but I'm guessing that's just because where the oil fill hole is.
Update - I checked compression using a bit of hose and it seems to have even compression across all 4. I pulled the valve cover off and turned the crank by hand and it all seems to be fine... there was a few oil slosh marks on the valve cover oil baffle around cylinder 3, but I'm guessing that's just because where the oil fill hole is.
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