Yamaha YZ 250 F 2015

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In the United States, the YZ 250 F dominates the MX US championship. In Europe, she is on the podium in the MX2 World Championship, and currently leads the Women’s Motocross World Championship, with two GP round wins..

For 2015, the innovative 4T models benefit from a number of changes aimed at further improving performance and ease of use.. New skins also enhance their aggressive look..

Changes have been made to the injection and ignition settings to further improve their power, to deliver more power at mid-range on the YZ 250 F.
For easier maintenance, the air filter cover is fitted with easy-to-unhook fasteners that replace bolts, and the machine also benefits from a few changes inside the engine..

The 2015 models are fitted with new black rims, which, combined with the new graphics, give them a decidedly “Factory Racing” style..

YRRD (Yamaha Rinaldi R&D) is once again offering a “Pro” competition kit for the 2015 YZ 250 F, with a wide range of parts designed to boost performance.

The YZ 250 F kit includes:

– High compression forged piston kit
– ECU box with ignition curves developed by YRRD and rev limiter increased by 500 rpm
– Optimized cylinder (optimization of gas flow)
– Intake camshaft (optimized cam profile)
– Cylinder head gasket
– High pressure radiator cap (2.0 bar)
– More rigid casings with a factory look
– Lightened connecting rod

YZ 250 F: technical improvements

– Injection and ignition settings revised for more power at mid-range
– Lightened gas opening control
– New, easy-to-release fasteners on the air filter cover
– New black rims
– New “Factory Racing” type graphics
– Modified piston design
– New camshaft profile for easier start-up
– YRRD “Pro” competition kit

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      Replaces

      YZ 250 F 2014
      YZ 250 F 2014


      Model marketed in

      2012
      2013
      2014
      2015
      2016
      2017
      2018
      2019
      2020
      2021

      The technical aspect

      Yamaha YZ 250 F 2015

      • Frame
      • Frame: Semi double aluminum cradle
      • Tank: 7.5 liters
      • Seat height: 965 mm
      • Length: 2170 mm
      • Width: 825 mm
      • Height: 1,280 mm
      • Wheelbase: 1475 mm
      • Weight in running order: 105 kg
      • Train before
      • Telehydraulic inverted fork Ø nc, deb: 310 mm
      • 1 disc Ø 250 mm, 2 piston caliper
      • Front wheel:

        80/100
        – 21

      Yamaha YZ 250 F 2015 technical

      • Transmission
      • 5-speed gearbox
      • Secondary chain transmission
      • Rear axle
      • Mono-shock absorber, deb: 315 mm
      • 1 disc Ø 245 mm, 1 piston caliper
      • Rear wheel:

        100/90
        – 19

      • Motor
      • Single cylinder
        in line
        , 4 stroke
      • Cooling: by water
      • Injection Ø nc
      • 2 ACT
      • 4 valves
      • 250 cc
        (77 x 53.6 mm)
      • Compression: 13.5: 1
      • Crit’air:

      Detached pieces

      exhaust
      motor
      fluid
      electricity

      filtration
      braking
      chain kit

      Competitors

      KTM 250 SX-F 2015
      KTM 250 SX-F 2015

      Kawasaki KX 250 F 2015
      Kawasaki KX 250 F 2015

      Honda CRF 250 R 2015
      Honda CRF 250 R 2015

      Suzuki RM-Z 250 2015
      Suzuki RM-Z 250 2015

      Yamaha YZ 250 F 2015

      Yamaha YZ 250 F 2015

      Yamaha YZ 250 F 2015

      Yamaha YZ 250 F 2015

      Yamaha YZ 250 F 2015

      Yamaha YZ 250 F 2015

      Yamaha YZ 250 F 2015

      Yamaha YZ 250 F 2015

      Yamaha YZ 250 F 2015

      Yamaha YZ 250 F 2015

      Yamaha YZ 250 F 2015

      Yamaha YZ 250 F 2015

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