Alright so i'm putting a new top end in my 07, i shimmed the valves new piston, rings, clips all that and a new cam chain. problem is it seems as if its too short to make it over both cams, i can only get it over one wether it be exhaust or intake. the tensioner is not even on the bike yet i cannot for the life of me get enough slack. any tips or help? its the right chain and everything. please help !