Halfords V High Temperature Engine Enamel Paint Matt Black 250ml from Halfords Price £5.99
for the engine
then you will need a multimeter to check the rectifier output.there should be enough information in the haynes manual to check
and about 40 quid for a battery..dont know if thats a gell filled one though
and i dont know about the suspension
sounds like its not been a good day for you
................................Sam