5 Ways to Start a DR 600 and other big bore four-stroke bikes. How to start at minute 3:50 0:00 introduction 0:35 how a 4stroke works 3:24 what is a decompressor 3:50 preparation for starting 4:45 starting with automatic decompressor 5:59 starting with manual decompressor (automatically comes back up) 7:25 starting with manual decompressor (totally manual) 8:30 starting with no decompressor 9:12 no decompressor & pulling back 10:10 conclusion