Sage advice i reckon zed1015,i just stick to a good classic mineral and change it often,never had a prob.

Mark,get hold of a Gunson colourtune,tells you issues straight away...

Should find what you need here...http://www.zedrider.co.uk/service--owners-manuals.html

Os pipes made some v good cans for a Gs i had(its the one pictured on their site).Their 4/4 pipes were hideous,have seen cans from them grafted onto original down pipes and were very good.If its still Roy there he had issues getting the down pipes correctly bent.at the time...The French jobbies i ha...

Got this for sale on car and classic,£465...https://www.carandclassic.co.uk/car/C1030548 if any interest on here!

Unusual for one to fail that way,would fully charge and see if the same when disconnected or put an ammeter in series and see if any current drain,when they fail they just usually totally fail(in my experience).

If reg/rect working as should,you should get around 14.6 v dc across battery at around 3k revs,if you dont have a meter,start in the dark and see if headlamp goes brighter when you rev up as a quick check..

Zeds if have owned with vac taps,have only flowed all the time with tap on prime,res and main vac operated.

5MM It twin discs..

...No quick fix,just a matter of elemination,99% of carb probs are electrical in my view.if it was running fine may be just some crap in the carbs though,had Gs a bit ago and it was the ethanol eating the fuel lines from the inside and dumping it in the carbs.Just cause point and condensors are new ...

Have you wired in the clutch switch? the thou has a switch in the clutch,lever so you need to pull clutch in start motor,its the blue wire in the loom if i remember correctly...

As Mark says,case hardened ,not a good idea to remove material or grind asking for trouble..

Jon try non sintered pads,always a problem at least you know they are working..

The red rubber grease has worked a treat...