portman

Hello guys and thanks for the replies so far. As crashmctavish says back to basics, providing the timing isn't way out it should not affect the spark and no spark = duff generator? However I do not need to strip out the wiring loom - I have already effectively done that by only using the wires from the stator and leading to the coil/cdi unit. Feetupfun - I know what you mean but the coils are fixed onto the stator and appear unadjustable. Andy_290 - I haven't been able to check (again!) but is the mark on the painted part of the crankcase, adjacent to where the transfer ports are? I have also been given www.uk-motoplat.com as a useful source of info and I see that they have some readings for the Sherco trigger so I know what I'll be doing this evening!!! Portman

I wonder if any lads out there can comment or help? I have recently purchased a used 2005 model Sherco 290. Finding it very difficult (but not impossible) to start I checked on the spark to find that there isn