2 Wheel DynoWorks

2 Wheel DynoWorks We are the PNW's premier motorcycle performance shop, specializing in dyno tuning & ECU flashing!
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The HUGE performance improvements that the R/RX cam kit provides for these CRF450RLs can NOT be understated! The combina...
06/03/2026

The HUGE performance improvements that the R/RX cam kit provides for these CRF450RLs can NOT be understated!

The combination of a full exhaust, some free intake mods, the cam kit, and our tuning is MASSIVELY transformative. Our 450RL absolutely RIPS now! 😎🀘

Our Mail In ECU Flashing Service for these bikes is available at 2W...

While we were NOT happy with the old Graves velocity stacks for the ZX4R/RRs, their new V2 design works VERY well!  We a...
06/02/2026

While we were NOT happy with the old Graves velocity stacks for the ZX4R/RRs, their new V2 design works VERY well! We also now have custom ECU mapping built specifically them here at 2WDW 😎🀘

Our Mail In ECU Flashing Service for these bikes is available at 2W...

There's a big difference between a good head and a GREAT head on these bikes!
05/30/2026

There's a big difference between a good head and a GREAT head on these bikes!

Our Mail In ECU Flashing Service for these bikes is available at 2W...

We've been having a TON of fun developing our unparalled custom ECU mapping for some of the other popular dual sport mod...
05/29/2026

We've been having a TON of fun developing our unparalled custom ECU mapping for some of the other popular dual sport models recently, so it seemed fitting to add a new KTM 500 EXC-F to our fleet for long term testing and tuning development! 😎🀘

We've just finished breaking it in, and we'll be sure to share our initial thoughts/impressions and baseline dyno figures next week.





We have seen people ship us their ECUs in all sorts of interesting, and downright crazy, ways over the years, so we fina...
05/27/2026

We have seen people ship us their ECUs in all sorts of interesting, and downright crazy, ways over the years, so we finally decided to make a quick video to show you guys how we recommend sending us your ECUs!

If you have any questions, feel free to email us at support@2wheeld...

Normally, we're open on Saturdays, but we will NOT be open THIS SATURDAY! We're giving our hard working staff a much des...
05/21/2026

Normally, we're open on Saturdays, but we will NOT be open THIS SATURDAY!

We're giving our hard working staff a much deserved three day weekend. We hope you all enjoy at LEAST that much time off this weekend with your friends and family as well!

We'll be closing up around 5PM on Friday (tomorrow), and we'll be back in for regular business hours on Tuesday morning at 10AM. If you have any questions during that time, feel free to email us at [email protected] and we will get back to you on Tuesday.





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We've wanted to cover this topic for awhile, and we have FINALLY had the time to talk about it with our CRF450RL!In almo...
05/21/2026

We've wanted to cover this topic for awhile, and we have FINALLY had the time to talk about it with our CRF450RL!

In almost every way, standalone ECUs are fundamentally worse than OEM ECUs when high quality OEM ECU tuning software is available. They're MASSIVELY more expensive than our ECU Flashing Services, provide SIGNIFICANTLY inferior tuning right out of the box, and the hardware reliability isn't even comparable. We cover all of this, and more, in depth in this video!

Our Mail In ECU Flashing Service for these bikes is available at 2W...

Here's the latest quick round of testing and tuning development we just finished up on the 2WDW Yamaha R9!
05/21/2026

Here's the latest quick round of testing and tuning development we just finished up on the 2WDW Yamaha R9!

Our Mail In ECU Flashing Service for these bikes is available at 2WDW.com!If you have any questions, feel free to email us at [email protected].

05/19/2026

What a wild weekend! 🀯

Barber was one hell of a roller coaster for multiple members of the 2WDW team.

Nate spent much of Friday and Saturday providing remote data analysis, tuning and electronics support for and the Liberty Yamaha Racing team. Dominic finished 7th in Race 1 and DNF'd Race 2 after a crash in a corner that gave the team grief all weekend. Regardless of the Race 2 result, the team is excited for the next round at Road America! We'll be providing the same support there remotely for the team 🀘

On top of working with the crew in Supersport, Nate also linked up with and his crew chief, .walters99 , remotely for some tuning and electronics support this weekend in Super Hooligans. Tino finished in 3rd place for Race 1 and 6th in Race 2!

There's no doubt that the Yamahas are definitely the underdogs in both of those classes this season, but that honestly just makes things even more fun for us when it comes to trying to help these guys find any edge possible through tuning refinement and electronic strategy optimization! πŸ€“ 😁

Nels and his family were also at Barber! On the way out to the Alabama coast for a family vacation, they first stopped at Barber to work with again in the Talent Cup. They made some solid progress on the bike and addressed some mechanical issues that popped up on Friday. Having never raced at Barber before, Sawyer finished Race 1 in 6th on Saturday and DNF'd due to a crash on Sunday.

Unfortunately, a lot of Nels's efforts were WILDLY interrupted Saturday morning. While the whole family was waiting at the gate and ticket booth to get into the track, their stationary Suburban was smashed into by a drunk driver. Witnesses estimated that the INCREDIBLY intoxicated driver (he blew a 0.19 at 8AM 🀯) passed them on the shoulder at somewhere around 50MPH before turning and slamming into the right rear of Nels's SUV. He and the family spent the rest of Saturday getting checked out at the hospital, and they thankfully escaped anything more serious than bad whiplash and a minor concussion πŸ™




The new Arrow full exhaust is now available for the DR-Z4S/SM, and it absolutely smokes the current aftermarket exhaust ...
05/14/2026

The new Arrow full exhaust is now available for the DR-Z4S/SM, and it absolutely smokes the current aftermarket exhaust competition! 🀯

Our Mail In ECU Flashing Service for these bikes is available at 2WDW.com!Feel free to email us at [email protected] if you have any questions.

Address

13209 NE 126th Place #460
Kirkland, WA
98034

Opening Hours

Tuesday 10am - 6pm
Wednesday 10am - 6pm
Thursday 10am - 6pm
Friday 10am - 6pm
Saturday 10am - 4pm

Telephone

+14252695332

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