I am new to this site so if I make any mistakes please let me know Im trying to get used to it. I have a 1976 Yamaha DT 250C enduro and I am trying to get any information about this bike that I can find out. I was thinking about bypassing the oil injection and just premix it myself. I just cant rely on the injection system. I live in a very rural area and don't want to get stuck out in the middle of the mountains What do i need to do to get my bike to run right? Can I change the jets in the carb to next size up? or should i leave them stock. what would I have to gain or lose from up sizing my carb jets? I onlyt paid 50 buck for my bike and it runs great now it is pretty quick considering. it was sitting for almost 10 years before i got it. it is hard starting, how can i get it to start easier?