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KTM 520EXCessive power 4U
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[QUOTE="drehwurm, post: 107468, member: 20888"] [b]I knew it[/b] Servus, I really was reluctant in doing this, but finally my curiosity won. I changed the jetting of my 520EXC to OBEKN needle 3rd position, 165 main and 48 pilot and it didn't work! Bike was bogging bad and I didn't really feel and improvment in power in the midrange. Changed to a 170 main and the bogging almost went away, but still not impressive. BTW stock exhaust. I've been so happy with my jetting OBDTM/2 , 175 main, 52 pilot and I will be again. There is ABSOLUTELY NO USE to change anything on the 520EXC apart from the 52 pilot and making sure the ACP is working - leave the jetting games to the Yamaha owners (been there done that) and enjoy your power. Sorry James, but I don't buy the improvement on the 520 with the E-series needles. Michael [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
KTM 520EXCessive power 4U
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