safety test line includes ma200, ma210, ma300, ma310, ma400, and ma600. they test the safety performances for two-wheeled motorcycle, three-wheeled motorcycle and atv. the test items include odometer calibration, front (rear)-axle load test, front (rear)-wheel braking force test, maximum difference value between two rear-axle braking forces test for right three-wheeled motorcycle, top speed test, starting acceleration test, passing acceleration test, relative offset between front-wheel and rear-wheel’s center plane test (wheel offset test for short), sideslip test for four-wheeled vehicles, illumination intensity and irradiate place test for headlamp, exhaust emission test at idle speed and horn’s sound level test.