Motorcycle Repair: FILTERS AND PIPES, stock air filter, air fuel mixture

Question
I BOUGHT A 1987 KAWASAKI VULCAN. IT HAS K$N FILTRING SYSTEM. SOME SAY IT IS A BETTER SYSTEM , WHAT IS UR OPINION THE KAWA HAS STOCK PIPES . I WAN T A LITTLE MORE SPOUND IAM SURE U KNOW WHAT IMEN . HAVE ANY SUGGESTIONS WITHOUT REJETTIG. THANH U  

Answer
HI VINNY,

I RECOMMEND THE STOCK AIR FILTER WITH STOCK PIPES. K&N FILTERS ARE QUALITY FILTERS, BUT MAY CHANGE THE AIR-FUEL MIXTURE A BIT.

KAWASAKI ENGINEERS HAVE DESIGNED THE OEM FILTER TO WORK WITH THE REST OF THE COMPONENTS ON THAT ENGINE. WHEN YOU START CHANGING FROM THE OEM WITHOUT CHANGES ACROSS THE BOARD AND PROFESSIONAL TUNING, YOU MAY LOSE SOME RELIBILITY OR DE-TUNE ENGINE PERFORMANCE.

READ THE COLORS OF THE SPARK PLUGS TO KNOW IF THE A/F MIX IS CORRECT. YOU WANT LIGHT SHADES OF BROWN TO APPEAR ON THE PLUGS. vISIT WWW.NGK.COM AND COMPARE YOUR SPARK PLUGS TO THOSE ON THIS WEBSITE.

RESPECTFULLY,
MARK SHIVELY