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2009 Yamaha YFZ450R ATV Motocross Ride Review
Jarrod McClure’s 2009 Yamaha YFZ450 GNCC Pro ATV Build

Jarrod McClure's 2009 Yamaha YFZ450 ATV
GNCC Pro ATV Racer, Jarrod McClure, & his 2009 Yamaha YFZ450 ATV
Kaska, PA (10/31/2009)- For the 2009 GNCC racing series I decided I would be racing a Yamaha YFZ 450 ATV. I chose to race the older YFZ, not the new YFZ450R, because there is already a ton of aftermarket parts available, and also since it has been proven at all types of racing over the past few years. I would like to give you some insight on what I did to make my YFZ450 race ready.

I picked up my first Yamaha YFZ450 through Blockers Enterprises, a local dealer near me. I took the quad right to Bowers Motorcycle Supplies where we tore it down to the frame and engine. Next I made a phone call to the guys at Yamaha GYT-R and had them send me some parts. I picked up their whole clutch assembly, also their kicker kit, and jet kit.

Jarrod McClure's 2009 Yamaha YFZ450 ATV
Jarrod McClure's 2009 Yamaha YFZ450 ATV
Jarrod picked up his Yamaha YFZ450 through Blockers Enterprise, then took it right to Bowers Motorcycle Supplies where he tore it down to the frame to rebuild it from the frame up with aftermarket components

Jarrod McClure's 2009 Yamaha YFZ450 ATV Motoworks Exhaust
Motoworks full exhaust system adds plenty of extra power over the stock exhaust even without any engine mods
The clutch assembly is completely different then stock, it has more oil passages, is lighter and increases clutch life, and I figured the kicker was a good idea in case of any battery issues. I also installed Motoworks full exhaust system and the GYT-R jet kit.

That is all I do to the engine, I like running a nearly stock engine for the improved reliability, plus it still has plenty of power, and starts right up. Now it was time to get some suspension components. I began working with ARS-FX this year for all of my suspension needs.

Jarrod McClure's 2009 Yamaha YFZ450 ATV Engine
Jarrod McClure's 2009 Yamaha YFZ450 ATV Exit Shocks
Jarrod likes running a nearly stock engine in his Yamaha YFZ450 for improved reliability, plus he adds, "that it still has plenty of power and starts right up", but you can't beat the reliability & performance of a GYTR Clutch System, which is a must for any serious YFZ450 racer (left) and a look at his front suspension from ARS-FX and his EXIT shocks (right)
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