MJR / Madjack Racing

02/08/2026

Customer Bike in the Wild!

Ripping through Cactus Flats in Death Valley on our Custom built with .rally tower & complete custom carbon fairing kit!

Pro Suspension
built wheels
Intake & PC6 with custom race map by RWP

02/08/2026

Such a fun day getting to try out all the new bikes!

Thank you for the hospitality & for the invite!

Never thought the day would come, but could definitely get use to riding one of these things!

was a beast but so much fun and makes us want to hit the track! was light and nimble but little too twitchy. The dream was the new Race Edition with KYB suspension!

01/28/2026

Whether it’s a simple question, a quick last minute fix on your bike or even a complete overhaul, MJR has you covered!

✅ 14 years in business
✅ A Level Offroad Rider Owner
✅ 6+ years of Racing 40 weekends each year
✅ Over 10 years of Trackside Service & Race Day Prep & Support
✅ Hundreds of races working on and prepping bikes at every level!
✅ Family Owned & Operated!

Need a simple Tech Support question answered while working on your bike? Don’t Hesitate! We are happy to help and answer any questions you may have!

☎️ / 💬 805-842-1313

Don’t forget, we also offer Pickup & Drop Off as well as Mobile Service for certain Jobs.

Easier to DM? No problem, however we may not answer these as quick as calls or texts 🤙🏻

01/26/2026

Mind blown that this girl was built just over a year ago!

370+ hrs and still going strong 💪🏻

Now just patiently waiting for to have us build out his new 300!

01/14/2026

Raw Audio - Stock vs PC6, Decat, Muffler and Pre-filter

Mapped & Tuned Power Commander 6
De-cat & Ti Muffler
Power Parts Pre-Filter

01/08/2026

Tear Down Thursday!

Another KTM / Husky / GG family 300 getting a full refresh after 250+ hrs of abuse!

Engine feeling tired or slow? Maybe it’s not you. Maybe it’s time for a rebuild!

☎️ / 💬 805-842-1313 for any questions or to schedule your rebuild!

01/07/2026

KTM / Husky / GasGas TPI Top End Teardown & Inspection!

The teardown and inspection process your bike takes at Mad Jack Racing during a top end rebuild. 🔗madjack-racing.com📞 / 💬 (805) 842-1313 ...

12/10/2025

Yup, that time of year! The end of year Christmas rush!

Building bikes for Santa to Drop Off, Servicing & Rebuilding bikes for the new race season, bikes for sale and everything in between!

Only 15 more days until Christmas and only 9 more days until we Close for the year

We will be available by appointment only from 12/20 - 1/4 and Open back up 1/5/26

If you need anything during that time, we will answer text messages and phone calls when able.

If you’d like to drop off a bike during the holiday break and you already know, don’t hesitate and contact us ASAP so we can schedule ahead!

☎️ / 💬 805-842-1313

10/28/2025

MJR Pickup & Drop Off Service

The only Shop in SoCal that goes out of our way to make sure having your bike Serviced or Prepped is not an inconvenience to your busy life & schedule!

☎️ or 💬 805-842-1313 to schedule your Pickup to have your bike Serviced or Prepped!

2-3 Day Turnaround on most Services or Preps

1-3 weeks on bigger projects.

Need same day service or even while you wait? Call ahead and we can schedule it to make it happen!

10/17/2025

2025 KTM 350 EXC CHAMPION EDITION!

Looks stock but definitely not!

✅ to Reflash OEM ECU
✅ Full Ti Exhaust System
✅ LED Turn Signal Conversion Kit
✅ XL80 HL
✅ Radiator Guards, Rear Rotor & Caliper Guard + Chain Guide Guard
✅ .moto Foot Pegs & Wrap Aroubd Handguards
✅ Suspension Setup, Lowered 2” & Custom Specs for Rider

As always, HUGE shoutout to our boys for always getting us the specialty parts and accessories we need quick! (2 days Standard Shipping to CA!)

10/15/2025

Throwback to this sweet 2021 Husky 701 we built a few years back !

with + Auxiliary ⛽️ Tank adding an additional 1.5g in Range