Hello!I have zxr 250 1994 model its totally stock standard, and it just has hit 30000 klicks. I reallly need to know what is there i need to service, my guess is i need to change oil, oil filter, spark plugs, spark plug leads, coolant, But i dont know how many litres of oil should i use, and thickness of it?What sort of coolant i should use?Also do i have to sevice or lube any other parts of the bike? IF so please tell me which ones and what lube to use. P.S. the carbs have been redone not long ago. Plus just 2day i have discovered that my exhaust has rusted through inside so i need to change it,since i am sucha noob i dont really know any good wreckers around Sydney.Does any 1 know any good ones with fair price and parts.Thank you.