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Discussion Starter · #1 ·
I just put K&N air filters on my 82 GPZ750. Now if I go past 1/4 throttle it breaks up. I had to remove the air box from the bike to put the 4 K&N's on. There was 2 hoses that were going to the airbox. One went to the crank case right below the carbs and the other went to the vavle covers. I think it was causing a vaccum leak so I connected them together with a PCV valve. The bike still won't run right. I think I need to re-jet the carbs. I am not sure what size jets I am going to need and I don't know what would be the right thing to do with the two hoses that went to the airbox.
Thanks for the help !

82 GPZ 750
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