Re: Some rough running that wasn't coils

>
> Had to go out on the Trophy Tuesday evening and the destination
> involved about 45 minutes of city traffic getting there and
> back. It was running warm, but the fan coped OK. Then just
> before getting back into open countryside for the home run, it
> started acting up. Not as smooth as usually and I could here
> misfiring. Tank was about 2/3rds down, so I wondered if it was a
> fuelling problem and switched to reserve, which helped with an
> earlier problem where there was vacuum loss due to a pinched
> hose. It helped some, but not a lot. I got home and it was still
> rough and wouldn't hold idle.
>
> Probably a coil gone, I thought, so ordered a new one from Jack
> Lilley's. Took her apart this afternoon and removed the left
> side coil to replace with a new one. Started the engine to see
> if it improved the running and noticed it was draughty where I
> was holding the coil. Problem solved: Not a coil at all, but a
> missing vacuum cap off the vent on number one carb. Now, how on
> earth do they come off? They are tight plastic caps held on by a
> wire clip. I've borrowed one off my 95 Speed Triple, same Mikuni
> carbs. I changed all the plugs because it was about due for a
> service anyway and put it all back together. Runs fine.
>
> Still love to know how a vacuum cap and wire can just vanish
> like that!
>
> Any now I have a new coil I don't need (well, not right now and
> 03 1200s don't seem to have too many coil problems) so if anyone
> in the UK needs a new 1200 dual output coil, for £50 (save £25)
> let me know and it'll go in the post.
>
> Regards
>
> Alec
>