Recommended Spark Plugs

[terrylangley]

I have heard of different spark plugs being used by Arrow & Leader owners and would like to know if there is one make, type, number that performs better.
Thanks, Terry Langley.

[grahamhibbs]

I found back in the day Lodge were the best.... I know not why but I think it's still true and buy them when I can find them.

[bh.sprint]

Hi Terry,

I used Champion plugs originally when the bike was put back on the road, N4 I think but now use NGK plugs -- B7ES , I have tried B8ES but not noticed any difference in performance. Some riders are trying the Iridium plugs a bit more expensive at around £ 8-00 each and reporting better starting and better MPG.
I have some but not tried them yet but they do work well in the car.

Brian H.

[rogerlee]

Hi All,Why does no one ever mention N4G champion plugs,Look at a champion 1977 plug guide book for example and it shows N4G plugs as one of the recommended grades,I have been running these for ten years and simply change every 10,000 and have never had a plug problem,Flatlander

[terrylangley]

I did try to find and buy Champion N4G plugs but they were only listed as not available. Where do you buy yours Roger??
Terry

[rogerlee]

Hi Terry,Usual places,auto-jumbles cheap if you can find them on a car stall,and the good old ebay,bought a box of ten a few months ago,They appear quite often on ebay in the states but post kills the price,Flatlander

[JohnnyBeckett]

spark plugs change a lot in the last 40 years to keep up with the changing fuels i found champion did not keep up with N G K in my Raceing years i use N G K plugs in old and new engines all the time in my 1939 BH 350 and 1953 nh 350 i just ring n g k up and they tell you the best ones to use they allways been right for me