Whats the difference between the KTM SX and EXC?

Just about everything, following is some differences between the 450 SX and 450 EXC. The EXC is a 6 speed with a dry weight of 252 lbs, compression of 11.9:1, electric start (MORE)

What is the difference between cranking amps and amps?

Amps are just a general measurement of electric current in any application, whereas the term cranking amps are specific to automotive / starting battery applications. Cranking (MORE)