You can look here; http://www.motoredbikes.com/showthread.php?t=7659
They also have downloads on the left column. Chicken-Power kits have Ohlsson & Rice engines. I have an Orline bike kit, same engine . It is for sale on this forum. Runs GOOD! Do a search under O & R to find more info.These engines powered pumps, generators, chain-saws, circular saws, outboards, & other tools. If you just bought that one from E Bay,, you STOLE IT !!
Also, what parts are you needing for it ? If it has not run in awhile, or runs poorly, every one I have seen needs a pump diaphram gasket, & some pump/carb cleaning. Also, be sure to clean any gunk out of the gas tank !! You can I.M. me if you need more help, too.