hi i need to get some of the above. the stuff in halfords is 10/40 will that do? also is there any else i can get an manual for my SUKIDA VIPER SCOOTER 125cc, wont start? dont know anything about them battery good, trys to start, have had it going a bout 2 weeks ago so im thinking its the damp? sorry for all the questions, just have not got a gule.