Dual spark plugs

If you need technical information or help with your BOSCH ignition squarecase Ducati 900SS - Darmah engine - post your FAQs, comments & questions here.
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coloradodutch
Cucciolo - the Lil Pup
Posts: 22
Joined: Mon Apr 26, 2010 12:09 pm
Location: denver

Dual spark plugs

Post by coloradodutch »

Twin spark bevel heads . what do you know? about timing,plug heat range,rejeting,etc.
The older I get the faster I was
wdietz186
Cagiva Alazzura
Posts: 707
Joined: Sun Sep 10, 2006 5:40 pm

Re: Dual spark plugs

Post by wdietz186 »

My Darmah was done when I got it.Uses a 10mm plug snuck in under the bevel shaft same heat number NGK8 ish I think. Timing retarded slightly 2-3 deg. or so. Really no difference other than looking cool. May have an advantage at crankshaft ruining speeds but on the street I think a good set of coils and a fat battery is all that's needed.
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