Hitchcocks Forum

Posted: **Sun Nov 25, 2012 9:12 pm**

Hi there wot spark plug for 1991 500 with amal carb,mildly gas flowed (dremmeled)and free flowing conical air filter and exhaust

steve

Posted: **Sun Nov 25, 2012 9:50 pm**

Mine came with a NGK B8ES,it`s a 535cc lightning with Mikcarb and conical free flow air filter (don`t like the idea)and free flow exhaust,as said it`s slightly on the rich side but don`t know when/where yet.

Posted: **Mon Nov 26, 2012 6:56 pm**

BR8ES with solid copper HT lead.....B8ES with non copper HT lead