Originally Posted by sv_rider1990

Right heres the situation my bikes been fine just fitted ne chain, sprockets, just had a service etc so it should all be running well... well ive got a Scorpian Titanium slip on can and a BMC air filter and also Irridium plugs fitted and it has been running fine howver just of late most noticably after the above mentioned its started backfiring a hell of a lot more and im not a weekend rider i commute 5 days a week so i keep the baffle in to save my ears and to avoid constant headaches lol??

The mixtures fine checked the plugs there perfect anyone got any pointers???