Can a heavy-duty mini bike frame support more powerful engines?
Heavy-duty frames support powerful engines by utilizing 0.125-inch wall thickness tubing and reinforced mounting plates that handle 15–28 Nm of torque without structural warping. Modified 212cc or 459cc engines produce vibrations that cause fatigue failure in standard 0.065-inch frames within 20 hours of operation. A reinforced Mini bike frame utilizes 4130 Chromoly or heavy-gauge mild …
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