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      JUST IN!   07/18/2018

      Video: 2019 Yamaha YZ250F Features & Benefits 


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About johnson450r

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  1. Im wondering what people are running for winter riding and racing on there 450R's. For the pilot and main jets. What would a good set up be for 20 or below weather. I have a 07 450r with full exhaust and hi-comp piston with porting and aftermarket cam.