I’m finally getting into tuning my kart, after 7 or 8 events of chasing down various mechanical issues. It’s a 2000-ish TrackMagic with a Honda CR125R and 40mm rear axle.
At the moment, I have a 15 tooth sprocket on the engine and a 28 tooth rear sprocket. This setup seems okay for Adam’s Motorsports Park, but seems a little too short for CalSpeedway and certainly too short for Apex in Perris.
I have a 26 tooth rear sprocket that came with the kart that I just found when cleaning up the garage. Would that setup match CalSpeedway and Apex? It looks like it’s only 0.1 difference in ratio.
Any suggestions on a rear sprocket would be great. I’d like to show up with the best sprocket installed vs. spend three or four sessions testing out sprockets I wasted my money on.