arenacross bike build bike builder carbon fiber tank chassis mod chassis modification cone pipe custom bike build custom bike builder custom motorcycle custom motorcycle build custom motorcycle builder desert racing desert riding dirt bike dirt rider dirtbike endurocross engine mod engine modification factory mechanic golden wrench justin myerson moto moto whip motor mod motor modification motocross motorcycle build motorcycle builder motorcycle customization motorcycle maintenance motorcycle mod motorcycle modification motorcycle mechanic motorcycle racing motorcycle repair motorcycle restoration motorcycle technician motorcycle tuner motowhip mw off road off-road premier bike build premier bike builder race prep race preperation replica bike build replica bike builder supercross supermini supermoto suspension mod suspension modification top bike build top bike builder theme bike build theme bike builder titanium tank ultimate bike build ultimate bike builder works bike works part works suspension
Frame Up Customs & Restorations
Race Preparation & Maintenance
“ Attention to detail is out of this world “ - DIRT BIKE Magazine
“ Turns ordinary dirt bike parts into works of art “ HINSON Clutch
" Sick!!! " Yoshimura R&D
movement with increased rapidity
bring to a desired state or condition
mechanical device; motorcycle
having or showing good judgment
strong admiration for something
Welcome to MOTOWHIPS
Machines for the Discriminating Fanatic
Justin Myerson, owner and operator of MOTOWHIPS in Chatsworth California, builds machines for the discriminating fanatic.
From concept and design, to build and finished product, Justin has led the field with his vision, skills and attention to detail.
MW is a one stop, complete custom shop where bikes turn into show quality, race ready works-of-art.
Born and raised in the dirt sport world, Justin has experience in professional RC Car, BMX, Motocross, Supercross and Off-Road racing programs.
Justin is a graduate of Motorcycle Mechanics Institute.
MMI Technician Specialists Certifications and Awards:
Follow us on Instagram @motowhips for our latest Builds, Trick-Shots, Videos, Products and Special offers.
Contact us to find out how we can turn your bike into the “Machine” of your dreams.
“Every bike we build is our signature. A signature that stands for the principles we believe in.
It’s not just a bike, it’s a statement!”
Yamaha YZ250 Prodigy
Honda CR125R Dream Build
Yamaha YZ250F Skyscraper
Honda CRF250R Yankee Rose
Honda CRF250R Dolphins Tribute
KTM 65SX LV Theme
Honda CR250R RC Replica
Honda CR125R Mugen Theme
Honda CR500RK Restoration
Honda CR500RJ Restoration
Honda CR500RH Restoration
Honda CR500RG Restoration
SX 2018 Schedule
SX 2017 Results
MX 2017 Results
MX 2017 Schedule
SX & MX 2018 Top 100 & Career Numbers
Salt Lake City
RACE FLAG COLOR CODES
Start of race
Rider down or stalled
Race to be restarted
Lapped rider to hold line
Rider is disqualified
Medic on track
End of race
NUMBER PLATE COLOR CODES
LAST YEAR 250 CHAMP
CURRENT POINTS LEADER
LAST YEAR 450 CHAMP
CURRENT POINTS LEADER
Everyone needs a toolbox when they go to the track. Some bring a lot of tools, while others bring nothing more than some t-handles and a pump.
The fact is, your bike needs care before you hop on, in between motos, and especially after a crash.
If you aren’t quite sure what you should have when you load up your bike, we have compiled an ideal list of items for your trackbox:
Sockets & Wrenches:
08 mm - Qty 2 Wrenches
10 mm - Qty 2 Wrenches
12 mm - Qty 2 Wrenches
Metric T-Handle Sockets
Metric T-Handle Allen Heads
Philips & Slot Head Screw Drivers - #1 & #2
Needle Nose, Snap Ring & Regular Pliers
Safety Wire & Safety Wire Pliers
Wire Cutters & Utility Knife
Extra Clutch & Brake Levers
Extra Chain & Link Breaker
Spoke Wrench & Valve Stem Remover
Air Pressure Gauge & Bicycle Air Pump
Tire Spoons - Qty 3
Extra Inner Tubes
Ball Peen Hammer & Rubber Mallet
Punch Tool for Sag Adjustments
Metric Tape Measure
Exhaust Spring Puller & Extra Springs
Muffler Wash Plug & Airbox Wash Cover
Mechanic & Nitrile Gloves
Flashlight & Magnetic Bowl
Small Container of Grease
Assortment of Extra Nuts & Bolts
Zip-Ties, Ty-Rap & Shrink Tube
Electrical & Duct Tape
Shop Towels & Hand Soap
Marker, Pen & Notepad
Flags & Plates
What's in your Trackbox?