Hi so i have a 2000 busa and i bought it from a friends wife to help pay for funeral services after he past...he had removed pair valve and did an airbox mod...i never started it cuz 2nd gear was gone...so after about a year i finally replaced trans i finally started the bike and it runs like crap...vacuum lines were all off the bike...i looked at pictures online but none of them shoe me a pair valve delete and air box mod...also i noticed the vacuum line supposed to hook up to fuel pressure regulator was sucking gas out of the regulator...im not a bike mechanic so idk if this is normal...please help!!! Pictures is a plus thanks in advance