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Old 04-18-2013, 08:54 AM   #4593
Beastly Adventurer
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Joined: Apr 2009
Location: NW Wa. state
Oddometer: 1,100
Originally Posted by MKJ View Post
Has anyone done any head upgrades to their 525? I just did, and replace the top end. Strong, but popping and snorting. Jetting issues, possibly?
Did you do the head work yourself, and if so, did you make the mistake of polishing the intake tract? That can cause what you describe.
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