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Racer X Tested: 2013 Yamaha YZF250 Big Bore

November 28, 2013, 4:00am
Matt Francis Matt Francis
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  • Racer X Tested: 2013 Yamaha YZF250 Big Bore
Cylinder Works 3mm Big bore Cylinder Kit 269cc the kit includes a Forged Vertex Piston kit, Cometic Top-End gasket kit and new complete plated Cylinder.  www.rockymountainatvmc.com 800-336-5437

Hot Cams Stage Two camshafts www.rockymountainatvmc.com 800-336-5437

FMF Racing RCT 4.1 Muffler and Ti Megabomb header www.rockymountainatvmc.com 800-336-5437

MotoTassinari Air4orce air boot  $298.00 www.rockymountainatvmc.com 800-336-5437

CV4 Silicone Coolant hoses and High pressure radiator cap  www.rockymountainatvmc.com 800-336-5437

Renthal 48T rear sprocketR1 Works Chain, Twin-Wall’s  www.rockymountainatvmc.com 800-336-5437

VP Racing Fuels U 4.4 – mixed half and half with 91 pump www.vpracingfuels.com 210-635-7744

Uni Filter Two-Stage Air Filter www.rockymountainatvmc.com 800-336-5437

Dunlop Tire MX51 front 80/100-21 MX 31 rear 110/80-19 www.rockymountainatvmc.com 800-336-5437

Tusk Oversized Typhoon front rotor kit  www.tuskoffroad.com 800-336-5437

DeCal Works Semi-Custom Graphics kit with #’s www.decalmx.com 815-784-4000

MB1 Suspension Suspension re-valve  www.mb1suspension.com 951-371-5045

OEM Yamaha parts www.rockymountainatvmc.com 800-336-5437

YZ125 (two-stroke) air filter cage (no backfire screen)

08 fork guards (larger and now printed Yamaha logo)

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