so given this limitation what are the first and best steps to take to try and diagnose my misfire. Buy an Automotive 4000 series scope/accessories & laptop (if you know how to use one) or take the bike to someone who has the equipment/knowledge to diagnose it. Rob - Is the answer always to invest £...

Thanks for the reply.

Sorry but not a car - its a motorbike! The R1100 is a fuel injected 2 cylinder motorcycle and i have had a iregular misfire thru all speed ranges. All checks on misture/compression/sensors and fuel injectors replaced - but despite this it still remains. This bike while in its day was state of the ar...

HI all, I have been loaned the above unit, with a laptop running Win2k with a parallel port to connect the unit. I want to run the v6 version of the software to check a motorcycle misfire im trying to root out. I dont have a parallel port on my WinVista laptop is there an adaptor that i can buy so t...