Author Topic: coil on plug  (Read 492 times)

Offline Lesman

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coil on plug
« on: July 22, 2021, 02:57:31 PM »
Will a coil on plug work on a Guzzi?

Offline guzzisteve

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Re: coil on plug
« Reply #1 on: July 22, 2021, 03:35:04 PM »
Sounds good but how's all that fit under the cover.
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Offline Lesman

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Re: coil on plug
« Reply #2 on: July 24, 2021, 05:36:56 PM »
What cover?


Online pete mcgee

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Re: coil on plug
« Reply #3 on: July 24, 2021, 06:33:09 PM »
The main issue would be to find a suitably sized coil, length, diameter to suit the reach required to seat on the plug.
May be applicable to some of the later model where the spark plug is in the centre of the combustion chamber and has an extended plug cap through the valve cover.
Probably not doable on the older tonti models where the plugs arent central. The standard coil, lead sparkplug in these is a proven and more reliable answer.
Thatt help?
Pete (no not the Bungendore one)


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Re: coil on plug
« Reply #3 on: July 24, 2021, 06:33:09 PM »

Offline guzzisteve

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Re: coil on plug
« Reply #4 on: July 24, 2021, 08:59:59 PM »
What model you thinking?  On older ones you'll have to make a mount on the bottom cover bolts(valve cover)  All the newer than 05 bikes cept Cali has a cover over the plug access (holes). How would you do twin plugs?
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Online pete mcgee

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Re: coil on plug
« Reply #5 on: July 25, 2021, 06:13:02 PM »
How would you do twin plugs?
10mm plug on the inside, 14mm on the out side, remote coils, sparkplug leads, plug caps.
Absolutely no room between the inner plug and the tank for a coil on plug setup.
Pete (no not the Bungendore one)


Light travels faster than sound, which is why some people look intelligent until you hear them speak....

Offline moto-uno

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Re: coil on plug
« Reply #6 on: July 25, 2021, 08:08:17 PM »
  Seems hard to imagine getting useful advice when you haven't mentioned what year and model of Guzzi you're talking about ?
 Much less what coil on plug you're thinking of using . Peter

Offline Lesman

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Re: coil on plug
« Reply #7 on: July 26, 2021, 07:02:39 PM »
2008 1200 Norge motor in a 1972 Eldo frame. I am mounting coils . My thought was locating the coils under the tank inside that long frame rail. It would require modification and be solid mounted. I was told that was a bad idea about the solid mounting. My next thought is coil on plug, lots of room.

Online Rough Edge racing

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Re: coil on plug
« Reply #8 on: July 26, 2021, 08:42:37 PM »
you need to consider the coil ohms required by the  ignition. Don't want to solid mount coils ? Didn't the older Guzzis have coil brackets bolted to the frame? it's easy to rubber mount coils when they are not in plain sight..If you have 100 bucks to spend you may find modern micro sized. coils easier to mount..
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Offline Alfetta

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Re: coil on plug
« Reply #9 on: July 27, 2021, 12:58:06 PM »
.......I was told that was a bad idea about the solid mounting.......

Thats just CrAzY talk.  All my bikes are solid mounted, too many cars to count with solid mounting, Chevy used to solid mount right onto the intake manifold (now that is crazy)..
Best thing you can do for your coil is keep it away from heat. (and heat is a relative term).
NO, It's not pronounced "moder goosy"

Offline guzzisteve

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Re: coil on plug
« Reply #10 on: July 27, 2021, 03:25:20 PM »
My V700 has coil mounted solid on the bottom of said frame rail in the breeze. For 2 double output coils, put on a piece of flatstock bolted to framerail under it in the breeze.
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Offline dguzzi

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Re: coil on plug
« Reply #11 on: July 28, 2021, 07:42:09 PM »
  I thought that said  "Heat is relatively warm"   lol, 
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