SOHC.co.uk Forums > CB500/550
Ignition problem
Maax1200:
--- Quote from: deltarider on June 19, 2021, 02:56:58 PM ---If your model has only one fuse and two grease nipples for the swingarm (one on each side), I'd say yours is a K1, as sold in Europe. At the end of the Owner's Manual there are 4 different wire diagrams. For you that is probably the -ED type. Unless your bike has been imported from elsewhere. http://www.honda4fun.com/pdf_libretti/500/CB500_k1/CB500_K1_4.pdf
--- End quote ---
The bike only has 1 fuse. There was no original swing on it since the former owner rebuild it as a mucle machine, square swing arm, fibre glass body and all that. Iv hade to find, more it less, half a cb500 on the internet (never again). I live in Sweden and the bike was registred in traffic in 1974. No private import or anything.
Maax1200:
Thank you for all replys. I will follow all advise and report back on progress.
Might take a few days since we have the hottest days of the year here in Sweden (+30C) and i will use that as an excuse to do absolutly nothing, and loving every minute of it.🙂😎
Maax1200:
Update.
So, got myselfe a multimeter and it seems both ignition coils are faulty. All caps but one is also shot (extremly high resistans in two) I get good reading from the secondary surcit but primary is completly dead on both coils.
Any advice on if i should get new stock coils from David Silva or new Magna coils? (Dynatek is just to expensive). The bike has Dynatek electronic egnition fitted.
Bryanj:
Very unusual for both coils to go< if fact unusual for any coil to go on primary, resistance is very low so worth reckecking with different meter
philward:
Have you seen Ash's coil fix Magnus? As previously said by Bryan, general consensus is it very unusual for stock coils to fail -
http://info.sohc.co.uk/download/ashs-ignition-coil-fix-2/
This post will also give advice on checking coil values (from memory)
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