Yamaha TTR250 Street Legal Wiring Harness

Complete the street-legal transformation for your electric start Yamaha TTR250.   More…

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$450.00  Was $999.90

Yamaha TTR250 Street Legal Wiring Harness Kit:

This is to be used with our lighting and other links below to complete the street-legal transformation on your dirt bike. also have a fully wired option for $2500.00 Includes : Horn, Dual Sport Light and Blinker Switch, Fuse Box, Battery, Tail Light, Blinkers, Plate light, connectors, harness and mounting hardware!

Add the following links as needed:

–Lighting -High output stator -DC Lighting Regulator –Phone Mount –Battery –Control Switch –Speedo –Mirrors –Hidden key

What’s included with this dirt bike wiring harness:

  • Relays
  • Heat shrink
  • Fuse box
  • Battery connectors
  • Rectifier or capacitor connectors
  • Horn
  • Clip on connectors
  • wiring for harness
  • Custom built for each Yamaha TTR250
 

Compatibility/Fitment

This is a list of all the years we carry this part for, yet there may be a different part number from year to year. If your bike is listed, no worries; the product will fit your ride. If any mods are done to the bike, please let us know on the checkout page or in a message after purchase so we can send the correct product for your ride.

BrandModelYear
YamahaTTR2501999
YamahaTTR2502000
YamahaTTR2502001
YamahaTTR2502002
YamahaTTR2502003
YamahaTTR2502004
YamahaTTR2502005
YamahaTTR2502006

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Will this work with a 2003 yz450f that has no electric start or battery. Can I add a battery to this system or is this a tap on from the stator. Nate Minor asked on October 18, 2025

Yes that's correct!

 Boston Morse answered on October 31, 2025 store manager
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Do you have a kit for1998 rmx250s (australia models, low slung expansion chamber) Electric start kits High output stator Electronic ignition, New expansion chamber Power valves 3 piece, 98 Basically anything and everything Including radiator shrouds . Please need reliable parts and information . Jordan asked on October 6, 2025

Hi as a complete build we can help with these larger products. short list of products- E start kit, power valves, new CDI is all possible yet will take some time to get the OEM products around 30-90 days.

 Boston Morse answered on October 31, 2025 store manager
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What do I need to connect start to finish signals and headlights for my yz85cc 2002 big wheel dirt bike Chelsey Ann marie Coward asked on August 7, 2025

Hi with adding this kit we can do a full plug and play battery set up and tie in the stater if needed for $300 extra - https://oemdirtbikeparts.com/product/dirt-bike-lighting-upgrade-led-lights-4-blinkers-brake-light/

 Boston Morse answered on August 7, 2025 store manager
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If I have a headlight and taillight already will this work to hook it all up and get going? Is there any additional items I need to buy? Collin asked on June 15, 2025

Hi! For which year and model?

 Boston Morse answered on June 22, 2025 store manager

It’s a 2014 Honda crf450r

 Collin answered on June 22, 2025

just need to use ur connectors will be good to go.

 Boston Morse answered on June 22, 2025 store manager
(0) (0)
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Your answer
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Name
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What else besides the 2019 kx 450 street legal kit is required so I have head and tail lights Clarence D Wheat asked on May 28, 2025

all in is $2500 at this time for us to make a correct kit.

 Boston Morse answered on May 30, 2025 store manager
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Q & A

Ask a question
Yamaha TTR250 Street Legal Wiring Harness Yamaha TTR250 Street Legal Wiring Harness
Your question
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Name
* Name is required
* Please tick the checkbox to proceed
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Will this work with a 2003 yz450f that has no electric start or battery. Can I add a battery to this system or is this a tap on from the stator. Nate Minor asked on October 18, 2025

Yes that's correct!

 Boston Morse answered on October 31, 2025 store manager
(0) (0)
Add an answer
Your answer
* Answer is required
Name
* Name is required
* Please tick the checkbox to proceed
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Do you have a kit for1998 rmx250s (australia models, low slung expansion chamber) Electric start kits High output stator Electronic ignition, New expansion chamber Power valves 3 piece, 98 Basically anything and everything Including radiator shrouds . Please need reliable parts and information . Jordan asked on October 6, 2025

Hi as a complete build we can help with these larger products. short list of products- E start kit, power valves, new CDI is all possible yet will take some time to get the OEM products around 30-90 days.

 Boston Morse answered on October 31, 2025 store manager
(0) (0)
Add an answer
Your answer
* Answer is required
Name
* Name is required
* Please tick the checkbox to proceed
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
What do I need to connect start to finish signals and headlights for my yz85cc 2002 big wheel dirt bike Chelsey Ann marie Coward asked on August 7, 2025

Hi with adding this kit we can do a full plug and play battery set up and tie in the stater if needed for $300 extra - https://oemdirtbikeparts.com/product/dirt-bike-lighting-upgrade-led-lights-4-blinkers-brake-light/

 Boston Morse answered on August 7, 2025 store manager
(0) (0)
Add an answer
Your answer
* Answer is required
Name
* Name is required
* Please tick the checkbox to proceed
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
If I have a headlight and taillight already will this work to hook it all up and get going? Is there any additional items I need to buy? Collin asked on June 15, 2025

Hi! For which year and model?

 Boston Morse answered on June 22, 2025 store manager

It’s a 2014 Honda crf450r

 Collin answered on June 22, 2025

just need to use ur connectors will be good to go.

 Boston Morse answered on June 22, 2025 store manager
(0) (0)
Add an answer
Your answer
* Answer is required
Name
* Name is required
* Please tick the checkbox to proceed
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
What else besides the 2019 kx 450 street legal kit is required so I have head and tail lights Clarence D Wheat asked on May 28, 2025

all in is $2500 at this time for us to make a correct kit.

 Boston Morse answered on May 30, 2025 store manager
(0) (0)
Add an answer
Your answer
* Answer is required
Name
* Name is required
* Please tick the checkbox to proceed
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Need help with installation? Get a hold of a live agent.

FAQ

Is Shipping Included?

Yes, there is free shipping on all Yamaha TTR250 Street Legal Wiring Harness‘s in the continental US.

Is fitment guaranteed?

Yes, when all options are selected for the Yamaha TTR250 Street Legal Wiring Harness, fitment is guaranteed.

Do you ship worldwide?

Yes, we ship all products internationally for an additional cost. Additional shipping costs for a product will show when your region is selected on the checkout page under shipping.

What is your product return policy?

With any Yamaha TTR250 Street Legal Wiring Harness for sale online, PayPal, Apple Pay, Google Pay and credit card are covered by a 30-day return/replace policy if the product is defective or if you don’t receive what you ordered. But since most products we offer are customized to your order, we cannot accept returns and provide refunds for non-warranty reasons (but our products are easy to sell on eBay or Craigslist!). Read more here.

How do I speak with a live agent?

Use the Q&A feature on any product page (see the Q&A tab on this page, for example) where you can get product-specific answers to your questions, OR get one-on-one pro help by phone or video using our Pro Direct Connect service.
Yamaha TTR250 Street Legal Wiring Harness 1

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Free Shipping

Free shipping
within the continental US.

Product Options

Upgrades and/or product condition
options are available for this part.

Product Guarantee!

Compatibility and quality is guaranteed!
Return defective items within 30 days.

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