New to forum. Bought a 650 special 2 new in 1980. Still got it been sitting in carport last 26 years. Pretty rough now. Put in new battery got spark when I kick her but nothing when I try starter button. Assume wires corroded. Stock carbs gone got another set of vacuum carbs but they're off and earlier bike and are 38mm so I need larger carb boots. Thinking when I get her running I should do rebuild because sitting so long. 10,000 miles on motor. Any thoughts