Join Date: Nov 2013
Location: Virginia Beach, Va.
Thanked 184 Times in 163 Posts
ATV: 2013 550 Core
Without machining the primary your not going to keep your top end with adding a shim. Reclocking your secondary is definately a good mod.. try B3.
Shims are easy to add. Start with .5mm and if you dont like it add another .5. Just pay attention to the belt in the secondary so it doesnt hit the casing.. you can either trim the inside of the casing where it rubs with a dremel. Or you can reduce the shim size.
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2013 550 Core, AC Hand Guards, Zilla 27's, RTR Steer Light & Shock Bushings, Auto Resetting Brkrs, Fnt & Rr Brush/Bumpers, RAM X Mnt & Cup Hldr, Champion 3klbs Winch, AmSteel 3.5Klbs Syn Rope, Braided Hook Strap, Rowe Anodized Billet Alum Fairlead, Bostitch 28" wtrprf box, Reese Tow Hook, DYI Web Catchers, Koplin Overfenders, Dr. Pulley Primary Sliders, 2ndry B3 Clock, DDM HID 35w 8K Kit, CREE LED light bar, green LED low beams and green Oznium 3W LED bullet running lights. 2" Moose Lift.