Trailmaster 300cc XRX, XRS Go-Kart Buggy Engine fire May not work with 139QMA-A

May not work with 139QMA-A Engines

single cylinder

TRANSMISSION SPECS Variator Standard Clutch Standard CVT Action 12g Rollers x 1500rpm Spring Final Gear Standard CARE SUMMARY Crankcase Oil 800ml 10w40 Gear Oil 125ml 80w90 FILTRATION

But it is slow and sluggish because of its stock transmission

No rev limit

Trailmaster 300cc XRX, XRS Go-Kart Buggy Engine fire May not work with 139QMA-AGUARANTEED FIT FOR TRAILMASTER 300XRX, 300XRS GO KART: New Internal Reverse Buggy Go Kart Engine. This is the exact replacement engine for your vehicle. One Year Warranty This is a guaranteed direct fit for your vehicle and everything bolts up identical to your original stock engine including the shifting controls. ADD A UNI FILTER TO YOUR ORDER AND GET A ONE YEAR WARRANTY. YOU HAVE POWER PERFORMANCE OPTIONS Option 1: American made high performance