DRAG SCOOTER
Engineered for the Strip: YS Motor's Cygnus Dragster
Built by Kaohsiung's YS Motor, this Yamaha Cygnus X has been radically transformed from a daily commuter into a dedicated drag racing weapon, showcasing Taiwan's vibrant scooter tuning scene.
In the hyper-competitive world of Taiwanese scooter tuning, the last five years have marked a pivotal shift from air-cooled engines to modern, liquid-cooled powerplants. This evolution has uncorked a new level of performance potential, and bikes like this Yamaha Cygnus X from YS Motor in Kaohsiung are at the bleeding edge. What was once a practical urban runabout has been systematically stripped, stretched, and strengthened, emerging as a purpose-built machine with a singular goal: to conquer the drag strip as quickly and efficiently as possible. It is a testament to a scene where engineering creativity and fierce competition go hand-in-hand.
Chapter 01
A Liquid-Cooled Heart, Relocated for Battle
At the core of the build is the latest generation liquid-cooled Cygnus X engine, a platform ripe for modification. YS Motor opted for a TRF racing engine kit, comprehensively upgrading the internals for the demands of high-compression, high-rpm abuse. Critically, tuning is managed by a fully programmable aRacer RC Super XX ECU, giving the team granular control over the direct injection system. To combat heat soak during repeated passes, the radiator has been cleverly relocated from its stock position to sit behind the front wheel, ensuring a consistent supply of cool air. Power is channeled through a complete WF Racing transmission and tuning package, a proven combination for explosive launches in this category.
"The entire chassis is engineered to reduce time lost to front wheel lift, keeping it planted and charging relentlessly for the finish line."
Chapter 02
Low, Long, and Planted
In drag racing, putting power down is just as important as making it. YS Motor has re-engineered the Cygnus chassis for maximum stability and traction off the line. The entire frame has been lowered and the engine assembly shifted rearward—a classic drag-racing modification to lower the center of gravity and counteract the bike's tendency to wheelie under hard acceleration. To further improve rigidity under load, a carbon fiber A-frame brace links the main frame to the engine cradle. The front end is managed by a custom GJMS TCD2000+ fork, while the rear squats down on a wide, 4.5J AM Studio wheel, providing a larger contact patch for the tire.
Chapter 03
Purposeful Identity and Precision Control
There's no mistaking the YS Motor Cygnus for a street machine. Every component is geared for performance, resulting in a brutally functional aesthetic. The bodywork is minimal, trimmed and secured for easy access, while the aggressive pink and black livery gives the bike a distinct visual identity on the starting line. From the rider's perspective, an aRacer Sport D multi-function display provides a constant stream of vital engine data. Even the braking system is a curated package, with a Chosu single-piston caliper up front and a Brembo dual-piston unit at the rear. The build is a case study in stripping away the unnecessary to perfect a single mission.
Spec Sheet
This machine is no trailer queen; it's a proven competitor, having already secured a first-place finish in the 240-weight class at a Taiwan Super Drag Racing event. But for YS Motor, the work is never truly done. The Cygnus remains an evolving project, constantly being refined and tweaked in the relentless pursuit of shaving a few more milliseconds off the clock. It stands as a perfect example of how deep the passion for performance runs in the world of scooter tuning.
Gallery · 8
AI-generated · May 01, 2026 · 09:16 UTC
Featured at
SCS 2026 — Taiwan Championship of Custom Scooter Building · Apr 17–19 Songshan Cultural Park, Warehouse No.5