I have done 10000 kms on my yamaha gladiator ss (125cc). The engine has become noisy.... the ticking sound of the valves increases when the engine is hot.... may i ask how is this possible if valve clearances decrease when heated??? Also please let me know the valve clearances of this bike... Also would be grateful if anybody could provide me the service manual of this bike....
Noise seems to be generating from the rocker arm of the valve adjustment. You have to do valve adjustment only when the engine is in cold condition. ie room temperature.
At this point slip a feeler guage & adjust. first loosen the rocker arm hexagon lock nut & try adjusting the valve pressing post. You may require special tool for this!!
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