Before he rides it or whenever you can I would break the bike down and grease all of the bearings. i.e, wheel, swing-arm, linkage. Factories really skimp on grease. I would also suggest in bark busters, its not a must but no body likes broken hands. I would also suggest a skid plate to go under the motor so no sticks, logs or rocks will pierce the cases.
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Ryan Boyd
2013 Yamaha YZ 250
2004 Yamaha YZ 125
2001 Yamaha YZ 250
Livin at Large in TEXAS!!!
Thanks to all my sponsors: Leatt, Dunlop, Bell, Gaerne, Acerbis
One Industries, Scott Optics, YAMAHA MOTOR COMPANY