2005-2020 YZ250 3 wheeler Conversion Kit

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  • $1,699.99
  • Regular price $1,999.99
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This kit allows you to convert your dirt bike into a 3 wheeler

For proper handling this set up requires you to have your front forks shortened 2"

If you do not have a local shop that can do it, I have one here in Hayden Idaho you can send your forks to, contact me for more info

You will need to be able or have someone else weld your exhaust and press your steering stem

YFZ450 quad parts are needed to complete the build, watch my videos on youtube to see what parts are needed, or you can look below for a complete list of parts needed

Swing arm mod video is on youtube, you will need to trim the pivot point and install yz250 pivot bearings into your yfz 450 swingarm

This kit includes:

-56mm Front end widening kit

-Sub frame mounts

-Foot pegs

-14T case saver

-Rear adapter kit

-Chain slider for modified YFZ swing arm

-Rear sprocket spacer



YFZ 450 06-09 parts needed ( some other years may work just not R model)


-Seat ( front latch and rubber bumpers need modified)


-Rear axle assembly with all components

-Rear brake caliper and line

-Airbox, cut the front and extended box 2" slide YZ250 air filter and boot into it

-Rear fender

-Thumb throttle w/ Cable Blaster non TORS, or you can use the yfz cable if you modify the carb end but must use Blaster housing, yfz does not have enough through 

-Front brake master and lever (if you keep twist this is not needed)

-Rear skid plate or sprocket guard

-Grab bar and fender mounts

-14T front sprocket

-40T rear sprocket

-Rear wheels and tires (20" tall tires recommended) (18 for mx)

-1983-85 atc 200x front hub/wheel or 1983-84 atc 250r front wheel/hub (85, 86, and 87 hubs can be made to work ask about fitment with your build)

-23x8x11 front tire ( or 23x7x10 with newer hub)

-Front fender

-Rear shock and linkage (06+ carb model yfz450 must be 19" eye to eye in length)


These kits usually ship same to next business day but can take up to 3 weeks lead time if I am finishing up a batch

I will be updating my web site soon, parts are now on version 3 and look even cleaner then before!

Call or email me with any other questions, or to check shipping times