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I've fitted a Boyer ignition kit, but I'm struggling to time it. The instructions say time to the max advance marks at 4,500 rpm. My strobe is normally clear enough to use at idle but it doesn't seem to be able to cope at that high an RPM, and also gives you a shock every time you touch a metal part of the bike once over around 3,000 which makes fine adjustments tricky. I've borrowed a bottle of tipex from work to highlight the markers, if I still can't see them I'll have to take it to someone or buy a new strobe. (although I think I need a new strobe anyway)A quick test ride shows that it hasn't resolved the problem, it's still bogging at 5,000rpm and being inconsistent above it, although that may be down to the timing.CheersAllan
I doubt if the needles are your problem but I guess its worth a look anyway. Take off the tank, Take the tops of the carbs off, Undo the philips screw that secures the lifting arm to the rotating shaft.Get a thin philips screwdriver down inside the slide and disconnect it from its arm. Disconnect the arm being carefull not to lose screws or the little spring and pull the slide out, its easy. If you cant get to the screws gently twist the slide and its arm till it comes off, yourll see what I mean, then pull the whole thing out and then undo the screws inside the slide. Jap screws are made of chocolate so be carefull if there a bit tight. You can do this with the carbs in place.