fireball barratt

Hi I'm a new member, names andy but got a nickname from my mot garage of fireball when my er5 caught fire, serve me rightfor buying a Kwak. anyway been riding bikes for over 30 years, until recently mostly yams. Just bought a 2000 reg yp250 for winter, twin headlight model my question is....what headlight bulbs does it use? I have a different bulb in each headlight? Dip beem uses one side and high beam uses the other? is this corrrect?? whats a good workshop manual for these bikes? thanks