hello everyone Me and my dad was looking to do a complete build up on a 2002 kawasaki kx250 and i was just wondering about the chassis im not sure how its shaped i want to make it just perfect so the engine will fit and everything will go together pretty good and i need to know how to make the chassis and stuff so that the engine will go in and the shock will fit into my back suspiension please someone email me i NEED help....