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Quantity
1
Description
5.0
4 ratings
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New Halcyon 250 Stage 4 Plus installation.
Devin accepted delivery of my new Halcyon 250 for a MotoCult+4 aftermarket alterations. His aftermarket modifications took a rather quiescent bike to one with an "edge" to it. It made it a truly fun bike and expanded its capabilities. Devin is both a great engineer and has a true passion for what he does. It is a great peson to work with and providing a great product.
Stan · May 18, 2026
Can't go wrong!!!!
I'm going to start with I trust Devin and his mechanical abilities. After talking with Devin about how he tunes he blends old school with the new. I suppose an O2 sensor is pretty scientific, over my ear and engine temp old-school ways. It's like a different machine with these mods very clean install. Breaking it in and I'm seeing the engine start to smooth out. Devin was also accommodating on using his resources to help produce a custom part for my build and vision for the bike I realize this is a small bore bike, however with this current set up louder than most harley's. You can hear the rowdy in the build sounds violent (straight pipe). It will now make power all the way up on throttle breathes fire, just absolutely a different riding experience. The stock set up is fun and cute but ineffective, paragon kit brings a completely different vibe. Great stuff well thought out!!!!!! Much appreciated
Jacob · November 16, 2025
Power for the people!
Talked to Motocult before the Janus rally to see if they could work on my Halcyon. Devin squeezed me in and worked his magic on my bike. Love the upgraded power and the Nibi carb. Now the bike idles as it should and has a much better power band.
Mark · October 9, 2025







