THE UNDER AND OVER ON TERMINOLOGY Dear MXA, I love MXA’s bike tests, but what do the terms “understeer” and “oversteer” mean? Daniel Ruth via motocrossactionmag.com A bike is said to “oversteer” when the front wheel of the bike turns in quicker than the rear wheel. If a bike has excessive oversteer, the front end will tuck and the rear wheel will step out (but not necessarily slide). All MXA test riders prefer a bike with some over- steer to one with understeer. A bike is said to “understeer” when the front wheel of the bike turns in slower than the rear wheel. In essence, the rider turns the bars to dissect a given line with the front tire, but the front wheel misses the
BITS AND PIECES Dear MXA, I know this is going to sound like blasphemy, but I like the look of MXA’s YZ250 with just the UFO radiator wings and front fender better than the YZ125 with the complete UFO YZ plastics kit. Do they sell those parts separately? Justin Greuhl via motocrossactionmag.com Yes, the restyled front fender is $38.99, and the radiator wings cost $78.99 at www.ufoplasticusa.com.
MXA’s half-new and
half-old 2013 YZ250.
The 520DZ2 is a great value in a light weight, high performance racing motocrosschain
Chain Disp. c.c. Main Feature 420NZ3* Max. 150c.c. Mini MX 428NZ Max. 100c.c. Mini MX 520DZ2 Max. 450c.c. Great Value 520ERT2 Max. 450c.c. SX Champion 520MX Max. 500c.c. Heavy Duty 520V T2 Max. 500c.c. Enduro 520ERV3 Max. 750c.c. Baja Champion
ER SX & MX RACING
* 420NZ3, 428NZ, 520DZ2, 520ERT2 & 520MX Feature SDH Pin Technology for added Strength & Longer Life.
Justin Barcia 2012 AMA Supercross Lites Champion
Ryan Dungey Red Bull KTM 2012 Lucas Oil AMA Pro Motocross Champion
Ryan Villopoto Monster Energy Kawasaki 2012 AMA Supercross Champion
PricesStarting at$74.99 MSRP PricesStarting at$74.99 MSRP NEW
• DirtStar® Originals are Stronger Than OE Rims • Designed for MX and Offroad Racing • OE/Stock Hubs, Spokes & Nipples Compatible • Easy to Lace Up - True Running • Great Value - Prices Start at $138.99 MSRP
Available in Black or Silver Available in Black or Silver