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Sometimes when you replace the ignition coils on a bike you may find that the new leads are not long enough - particularly if you're swapping out old ones for coils from a newer model of bike. If your coils have the spark plug leads permanently built into the ignition coil, what do you do when they're too short to reach your spark plugs, or the leads become damaged?
It's pretty basic in principle - a plastic shell houses some rubber grommets to keep water out, two spikes to attach wires with and screw-on ends. Unscrewing one end:
...releases a rubber grommet and small plastic shield. Be careful not to lose one or both pieces - the little hard black shield often sticks to another bit and is easy to lose:
You can see that the metal spike is threadless:
The instructions say to cut off the old wire 4" from the ignition coil:
End-piece, plastic shield, rubber grommet on the old cable:
Push the rubber grommet up a little, push the cable into the spike, then screw on the end piece. Voila:
It forms quite a tight seal around the unit - so far seems to be waterproof:
Here we have extended a too-short cable with some new 7mm cable:
For less than ten bucks it seems pretty sturdily built and does the job - hard to ask much more of it. The instructions are fairly concise but as it turns out you don't need a great deal more than what it says on the packet - there's really not much to them. In our unscientific pour-water-on-it-and-see-if-it-still-works test it performed fine - time will tell how long it lasts.You can find them on eBay - click here.
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