So here’s the build, but I’m only consistently hitting about 37-38mph (GPS app). Based on others people posted builds and top speeds, I feel like I’m missing something here. I’ve recently been in the engine and all parts are in good working condition, transmission fluid is good and at proper levels.
99’ Tomos a35 Sprint
Puch 50cc HiHi Head
Boyeson 2 stage reeds
MLM 15mm intake
Dellorto SHA 15.15 (68 jet)
Timing moved to about 3/4 down from top mark (was directly on top mark as stock)
Before moving timing I was hitting second gear right around 20-22 mph, now it’s more around 16-19mph.
0-30mph in about 10-11 seconds
Excel sheet of my personal tests against saved tests in link below (all of these were taken before adjusting timing). The numbers under “My Tests” are mine (all checked by the same GPS on the same road). Under “Tomos” are the ones on file in Moped Army.