SOHC.co.uk Forums > CB500/550
550 F2 - ignition coils required. OEM or equivelant?
SteveW:
http://www.sohc.co.uk/index.php/topic,14939.msg122821.html#msg122821
This is how I fixed my coils, been working perfectly ever since.
deltarider:
Excellent advice given here. In the meanwhile practice prudence when pulling the plugcaps. Always concentrate well to avoid too much movement resulting in hurted connections.
AshimotoK0:
--- Quote from: Laverdaroo on April 30, 2022, 06:47:48 PM ---Are you sure Ash, thast bloody good of yiou mate?
MIne are shagged with one of the leads broken off the front of the coils and hanging limp. I would like to do them but it was all about the cost and time equation for me as Ive just lost my job and having to reign things in a bit currently. Let me have youre address in a pm Ash and I'll bung you some recompence for your kind gesture. Really appreciate this Ash, thankyou mate :) :)
--- End quote ---
Don't need any payment chap.
I chose to use the liquid epoxy from RS because they quoted guaranteed electrical properties ... the epoxy putty manufacturer couldn't provide any such data. Plus the liquid epoxy flows in-between the HT cable outer cable and the body (which is not epoxy BTW it's injection moulded thermoplastic). I always abrade the outside on the HT cable and run a Demel with a ball ended tool on the end down the slot left in the coil body in order to remove anything which will prevent a bond (i.e. dirt or plasticisers etc left from the old cable).
When I have a chance I will do some testing on the epoxy putty to see if it's dielectric properties are good enough .. i.e just use the putty for the whole job.
Oddjob:
Still not done mine yet Ash, I intend to fill then hole to just under the coil body then fill to just above with Araldite and then sand smooth and spray the coil after with satin black paint after also replacing the wires to the points. Might as well do a decent job whilst I'm doing them. I have 3-4 sets of coils to do. I'll do mine, do a set for the BIL and sell the others. Mine will have red leads to match the NGK caps, might also do a spare set with black leads in case I don't like the look.
AshimotoK0:
--- Quote from: Oddjob on May 01, 2022, 04:23:19 PM ---Still not done mine yet Ash, I intend to fill then hole to just under the coil body then fill to just above with Araldite and then sand smooth and spray the coil after with satin black paint after also replacing the wires to the points. Might as well do a decent job whilst I'm doing them. I have 3-4 sets of coils to do. I'll do mine, do a set for the BIL and sell the others. Mine will have red leads to match the NGK caps, might also do a spare set with black leads in case I don't like the look.
--- End quote ---
On the last set I did for Trigger (last week) , the HT coil snaked quite a bit in the injection moulded case. That would have been really difficult to pull the wire out and even more difficult to push back in again.I prefer my original method of re-encapsuation and guaranteeing getting a total bond all the way down the HT cable. After all, the fact that the HT cable pulls out of the originals shows that there was never proper sealing of the HT cable to plastic body. But horses for courses I suppose and both methods are much better than buying really low primary resistance aftermarket coils IMHO.
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