. Just found this on the Brindley Honda web sight:- Q- Will my Honda manufacturer's warranty be affected if my motorcycle is serviced by a non Honda Dealer? A- No, so long as any defects are not the result of any service related issues Q- If a non Honda Dealer services my motorcycle, do they have to use genuine Honda parts? A- No, if a part fails and is the cause of an issue we will not honour warranty on non Honda parts.