DJ-2172-X Offset Key for Clone/GX200-390
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Built for oval track and drag racing, the ARC Racing 6689 Speedway billet flywheel features an ultra low-drag fin design to reduce air drag while still moving enough air for cooling. Less drag frees up power across the curve—especially on the top end—making this a serious performance upgrade for competitive AKRA/NKA-style builds.
Fits the following engine platforms:
Important: Not designed for Predator 212cc engines (Gen 1 / Gen 2 / Gen 3) due to shaft taper differences. Will not work with a charging stator.
Predator Ghost note: works with stock pull rope, but Predator Ghost applications require the DJ-1260 coil.
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The 6689 Speedway billet flywheel fits Honda GX200, 196cc Clone, Ducar 196/212, Tillotson 196/225/228/236, WildCat 223, Predator Ghost 212, and Predator 224cc (Non-Hemi). It does NOT fit standard Predator 212 engines due to taper differences.
Yes. ARC billet flywheels are SFI-certified and designed for competitive kart racing and high-performance applications.
The flywheel comes set at 32° timing using a stock key. Recommended timing for unrestricted AKRA/NKA builds is typically 34–36°, while plate engines may run 36–39° depending on setup. Always verify timing for your specific combination.
The 6689 Speedway flywheel weighs approximately 3.4 lbs, helping reduce rotating mass and improve throttle response.
Yes, it works with a stock OEM coil. Predator Ghost applications require the DJ-1260 coil. Minimum recommended coil gap is .030".
No. The 6689 Speedway billet flywheel is not designed to run with a charging stator.