Timing Light Issue

Ron Hulton said:

I believe this was briefly discussed by a few back in 2009 but reason was never answered .

1975 MKIII Works great . Taylor 8mm spiro Pro plug wires . Non resistor caps . NGK BPR7ES plugs .. Crane coil from CNW .. Tri-spark EI new in 2021.

I have not checked the timing for years so i thought that it would be nice just to see where it is at .. My friend came over with his timing light and to my displeasure , it would not work . I supplied power from a separate battery but it will not pick up the signal pulse .. Hooked it up to my lawn mower ( with points ) and it works fine . Interesting enough , it will not work on his 74 Commando ( same coil .. same tri-spark .. 5K caps and non resistor plugs ) yet it will work on his old 1950 's bike .

Not sure the brand name or age of the timing light . Works on everything else but a Norton ..

Cheers

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