so bought this sled last year and got it up to 50 and that was about it. It made some funny noises like the belt was slipping. so this year i completely stripped it down, cleaned the carbs, engine, filters, clutches, new springs, and bearings all around. took it out and still only does 50
the secondary spring was a red one instead of white. I didnt changed the weights but they were oem ones in it. any ideas? hoping this lightweight thing would rip through the snow