Uploaded July 2025 | Updated September 2026, 2 weeks ago

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The team at @slavensracing turned this 2016 YZ250X into a 300cc trail weapon. We went out to Colorado to see it up close and ride it in its natural habitat.
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Parts List
Cylinder Works Big Bore Kit $1106.65 : https://slavensracing.com/shop/big-bo...

Lectron Billetron Pro-Series 38 $749.00: https://slavensracing.com/?s=lectron&...

Moto Tassinari V-Force 4X Reeds $158.00: https://slavensracing.com/shop/v-forc...

Fisch Moto E-Start $1090.00: https://slavensracing.com/shop/yamaha...

Samco Radiator Hose Kit $168.90: https://slavensracing.com/shop/radiat...

Slavens Mule MX-Tech Raven Cartridges $1620.00: https://slavensracing.com/shop/slaven...

Slavens Mule MX-Tech National Shock $2640.00: https://slavensracing.com/shop/slaven...

Rekluse Apex Clutch $1199.00 slavensracing.com/shop/rekluse-apex-clutch-for-yamaha

Vortex X10 CDI $599.95: https://slavensracing.com/shop/vortex...

FMF Fatty $299.99: https://slavensracing.com/shop/fatty-...

FMF Turbinecore 2.1 $269.99: https://slavensracing.com/shop/turbin...

Dirt Tricks Front Sprocket $44.95: https://slavensracing.com/shop/front-...

Dirt Tricks Rear Sprocket $129.95: https://slavensracing.com/shop/rear-s...

Warp 9 Elite Wheel Assembly Front $378.00 Rear $387.00: https://slavensracing.com/shop/elite-...

IRC JX8 $119.95 slavensracing.com/shop/tubliss-tubeless-core-tire-system-nuetech

IRC VX40 $66.95 slavensracing.com/shop/irc-vx40-intermediate-to-hardpack-off-road-tire

Tubliss Front and Rear $102.95 per wheel: slavensracing.com/shop/tubliss-tubeless-core-tire-system-nuetech

Nitromousse 5150 $124.95 : https://slavensracing.com/shop/5150-n...

Wheel Worx Oversized Front and Rear Rotors (Price TBD)

Acerbis Chain Guide and Slide Kit $99.95

Acerbis Frame Guards $54.95: slavensracing.com/shop/x-grip-frame-guards-for-honda-kawasaki-suzuki-yamaha-by-acerbis

Warp 9 Handlebars $89.00: slavensracing.com/shop/tapped-handlebars-by-warp-9

XC Gear Mako 360 $419.99: https://slavensracing.com/shop/mako36...

Renthal Grips $20.95: slavensracing.com/shop/tapered-dual-compound-grips-by-renthal

Polisport Seat & Restyle Kit $494.99: https://slavensracing.com/shop/restyl...

Seat Concepts Cover and Foam Kit $229.99: slavensracing.com/shop/comfort-seat-for-yamaha-by-seat-concepts

E Line Carbon Fiber Pipe Guard $169.95: https://slavensracing.com/shop/two-st...

Molecule Skid Plate $154.99: https://slavensracing.com/shop/skid-p...

Molecule Handguards $151.97: https://slavensracing.com/shop/handgu...

BPD Radiator Guards $224.00: https://slavensracing.com/shop/radiat...

BPD Swingarm Guard $59.00: https://slavensracing.com/shop/swinga...

BPD Case Saver $44.00: slavensracing.com/shop/case-saver-by-bullet-proof-designs

BPD Front Disc Guard $129.00: https://slavensracing.com/shop/front-...

BPD Caliper Guard $69.00 slavensracing.com/shop/rear-brake-caliper-guard-by-bullet-proof

BPD Rear Disc Guard $149.00: https://slavensracing.com/shop/rear-b...
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Times
0:00 - Specs
6:30 - Ride Review