Are coils bike specific?

**nzspokes** · 13th July 2011, 23:08

Are coils the same? Just different shapes?

**ducatilover** · 14th July 2011, 00:08

You can often get away with swapping coils over, I have done so before. As long as they are designed for a specific voltage (12 or 6) you should be fine.
Do you need one?

**nzspokes** · 14th July 2011, 05:48

Looking like I need one. Was going to borrow a car one to confirm. Bike is 12v.

**jonbuoy** · 14th July 2011, 06:14

Best to check the resistance of the coil with a meter, some are lower than others some run with/without a ballast resistor.

**nzspokes** · 14th July 2011, 06:37

I have, secondry coil is looking low. There is power to the coil but no spark.

**jonbuoy** · 14th July 2011, 09:24

I meant before you swap it for another type - manufacturers coils vary in resistance - safer to go a bit higher than a bit lower..

**nzspokes** · 14th July 2011, 10:59

Im going to borrow a car coil to test it out. If thats the problem Ive found a new one. Cant afford to spend the money if its not the issue.

**ducatilover** · 14th July 2011, 13:37

Is it single or twin plug? If it's twin plug I can send one to you.

**nzspokes** · 14th July 2011, 14:25

Originally Posted by ducatilover

Is it single or twin plug? If it's twin plug I can send one to you.

Thanks mate but shes a single. Ive got a friend giving me one to try tonight. If it fires then I will buy a new honda one tomorrow. Want to ride on sunday.

**nzspokes** · 15th July 2011, 19:13

New coil sorted it. Runs like a champ.

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