2002 Honda Spirit VT750: How Do I Get More Get Up and Go?
Most Honda Shadow stock are jetted ultra lean. You can put in a new air filter... you can re-jet... you can open up your air intake and your exhaust... but ULTIMATELY, the best way to get more power out of a motor is by moving an air-fuel mixture through the 4-stroke process faster: SUCK, SQUEEZE, BANG, BLOW!
For all the specifics , watch the video: