Sparkplug for 31

Information relating to the Matchless G12 or AJS Model 31 650cc twin
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Sluggerslough21
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Joined: Wed Apr 10, 2019 9:50 am
Location: Northampton

Sparkplug for 31

Post by Sluggerslough21 »

Can anyone recommend the best sparkplug fir a 59 model 31 please
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dave16mct
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Joined: Mon Jan 01, 1990 12:00 am
Location: LANCASHIRE UK

Re: Sparkplug for 31

Post by dave16mct »

Champion N5C.
Dave.
g5wqian
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Joined: Wed Nov 18, 2015 7:43 am
Location: wiltshire
Location: near swindon wilts

Re: Sparkplug for 31

Post by g5wqian »

same as dave , i use N5c in my model 30 , i did run N4c but they were not showing the right colour and basically got gummed up after a while , but the N5c run just nice and dry with a good dark brown colour .
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