1984 Honda z50r has had a new piranha 140cc motor installed has a 4 speed clutch transmission now not the automatic that it used to have has good tires and new tubes has new springs in the front forks had to customize the bbr handle bar risers to be installed on this year has tall bbr bars new gas tank and new valve on the bottom the carb was just cleaned from sitting and runs good has evo exhaust also custom cut to fit this year again fenders are original and a little rough somebody painted the front I didn't mind kinda fit the build a little but new ones aren't that much money I would say the only thing I would want todo to it right away is install a new seat this ones been covered and the foams about had it this big will pull a wheelie in all four gears if you can hang on last guy had this motor installed my daughters 2024 z50 and I put it back to original for her and made this bike he said it would do 65mph but that bike had crf110 tires and rims so these are smaller I'd say it's in the 50s for sure but idk how fast it goes this is not your average kids pit bike I repeat this is not your kids pit bike for adults or very experienced riders it's a blast to drive sounds like a old 400ex 4 wheeler and then you see this coming lol have any questions feel free to contact me on here or text me and I'll get back with you as soon as possible 620-204-045four