Yamaha Vino test run II

Seven months later... 100/80-10 Sava @ 36lbs VForce reeds Jog 90 belt Tecnomoto variator with Carb bored to ~16mm Needle up one notch, 120 main jet UNI 4“ pod filter Tecnigas Next R Ported: approx durations mm from top of cylinder Exhaust 188, Transfer 127, Boost 130, Shaved bottom lip of cylinder head Using only top piston ring Stock oil plus 2% premix Compression 100lbs Spark plug: NGK BPR8HIX Gps