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Hi does anyone know if the K&N airfilter is sutible for 33bhp bikes ? i once read not to use them on restriced bikes as they do not run right with them in, but wanted to find out if the same applied for this bike as the k&n filters are just as much as the original kawasaki ones ?

thanks

If you're trying to squeeze a few more hp out of your restricted bike don't bother if I'm honest, if you change anything from standard with regard to how the engine breathes be prepared to jet the carbs to match, its a lot of work for little to now power gain, if you want to sqeeze more power out, just go the hole hog and whip out the restriction, it will still be just as illegal at 60hp as it was at 34/35hp lol

Personally I'm keeping my restrictors in, will make it even better when i take them out and its legal to do so