What are the valve timing specifications on a 2000 Yamaha ttr 125?

The valve timing specifications for a 2000 Yamaha TTR 125 involve the intake and exhaust valves opening and closing at specific crankshaft degrees. The intake valve typically opens at 10 degrees before top dead center (BTDC) and closes at 30 degrees after bottom dead center (ABDC). The exhaust valve generally opens at 30 degrees before bottom dead center (BBDC) and closes at 10 degrees after top dead center (ATDC). Always refer to the service manual for precise adjustments and specifications.