Author Topic: bsa a10gold flash spark plugs  (Read 885 times)

Offline rockthedog

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bsa a10gold flash spark plugs
« on: 21.10. 2011 20:22 »
hi can anyone tell me if the spark plugs in my 1958 a10 should be long reach or short reach as mine are short and a friends a10 are long cheers mal

Online muskrat

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Re: bsa a10gold flash spark plugs
« Reply #1 on: 21.10. 2011 20:52 »
G'day rockthedog, alloy head use long reach NGK B7ES, iron head use short reach B7HS.
Cheers
'51 A7 plunger, '57 A7SS now A10CR,  '83 CB1100F, .
Australia
Muskys Plunger A7

Offline rockthedog

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Re: bsa a10gold flash spark plugs
« Reply #2 on: 21.10. 2011 20:58 »
G'day rockthedog, alloy head use long reach NGK B7ES, iron head use short reach B7HS.
Cheers
thank you muskrat

Offline wilko

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Re: bsa a10gold flash spark plugs
« Reply #3 on: 21.10. 2011 22:34 »
Unless some designer botched it, 99 percent of engines always use longreach for aluminium heads.Chainsaws and mowers are a few exceptions.