December 20 test day at PFI Circuit with Trent Valley Kart Club. Weather was wet. Chassis was a Zip Kart Cadet with an IAME 60cc Gazelle two-stroke. Going solo with dad. Session 1 test: sprocket 74, wet tyres, 30 PSI. Session 2 test: sprocket 74, wet tyres, 32 PSI. Session 3 test: sprocket 74, wet tyres, 32 PSI. Session 4 test: sprocket 74, wet tyres, 32 PSI. Session 5 test: sprocket 75, wet tyres, 32 PSI. Session 6 test: sprocket 76, wet tyres, 32 PSI.