Looks like a solid bike to build from! Trying to figure out the lever off to the left.....I think it may be to engage the grounding/engine kill lever on top of the engine
http://rover.ebay.com/rover/1/711-5...0001&campid=5335845805&icep_item=132927035079
http://rover.ebay.com/rover/1/711-5...0001&campid=5335845805&icep_item=132927035079