plug colour ?? options ?

Information relating to the Matchless G80 or AJS Model 18 500cc Heavyweight.
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andy johnson
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plug colour ?? options ?

Post by andy johnson »

IMG_1881.jpeg
hi folks , what's your opinion on this plug colour ? i swopped from a b7es to b5es ( only spare i had at the time and 2 clicks down on the ideal heat range ) my bike is a 63 g80cs 30 pilot , 3rd position down from top on the clip , and a 380 main jet , i had in a 440 main jet but she fouled a plug with black sooty deposits , i was doing quite a bit of around town riding so had no chance to 'open her up' at the time she fouled .
regards
andy
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spookefoote1956
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Re: plug colour ?? options ?

Post by spookefoote1956 »

I'd go to B6. Looks a little lean to me.
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robcurrie
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Re: plug colour ?? options ?

Post by robcurrie »

spookefoote1956 wrote:I'd go to B6. Looks a little lean to me.
You can change the mixture by changing the plugs :?: :?: :?:

Rob C
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ajscomboman
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Re: plug colour ?? options ?

Post by ajscomboman »

robcurrie wrote:
spookefoote1956 wrote:I'd go to B6. Looks a little lean to me.
You can change the mixture by changing the plugs :?: :?: :?:

Rob C
Nope but you can change the colour according to the heat range.
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