yamaha dt200r 94

gday im from austrila and ive searched the forums for wiring diagrams ect for info om this partipular bike but no luck can u help plese im atm rebuilding it as it had a blown crank seal but i cant find anny help onthe net. i understand it has the same type of engine as the yamaha balser's. but i have a problen on top of the air cleaner as it has two wires a bule with whie stripe and i cant reember the other at this particuranr point of time anny help? and dose annyone know the price of a rebuild for parts it has cost me $600 for crank bearings seals conrod kit and top and bottom gaskits with the water pump aswell annyone know if these bike are good to keep as o have had a dt100 and then 2 dt175's