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NGK spark plugs- LM I

dimitris

dimitris

Tuned and Synch'ed
Joined
Oct 28, 2008
Messages
77
Location
Thessaloniki, Macedonia, Greece
As I "surf" through the ebay, I see some NGK spark plugs for the LeMans I, with the same code as for the later 1100cc models (eg California, V11, sport 1100, Breva 1100), that means NGK BPR6ES or iridium BPR6EIX.
Is that correct?
Other sellers indicate codes NGK BP6ES.
If I remember well I also noticed a pair of NGK spark plugs with a totally different code.

What is the correct one?

Thank you
Dimitris
 
NGK BP7ES is the recommended plugs for the bike. The lower the number, the hotter the plug. I'm currently running BP6ES in both my Guzzis, for the Mk1, they were recommended by a local Guzzi guru whom I trust and I went from 7's to 6's on the Mk2 when it kept fouling plugs (turned out to be mainly a jetting issue but still suss about the valve guides). Both work fine and I haven't had problems with the plugs being too hot. An R in the number is usually for a resistor plug which is good to stop interference in newer bikes but not needed on our old bangers. Both bikes running Dyna ignition and coils though the Mk1 is twin plugged as well.
 
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