Pic. 2-76. Air filter and thermostat:
1 - sealing gasket; 2 - corrugated hose; 3 - thermostat damper handle; 4 - cold air intake; 5 - thermostat; 6 - coupling bolt; 7 - nut for fastening the filter cover; 8 - air filter cover; 9 - filter cover seal; 10 - filter element; 11 - bracket for fastening the filter cover; 12 - exhaust manifold of crankcase gases; 13 - air filter housing; 14 - spring holder; 15 - heated air intake from the exhaust manifold area.
Turn away nuts of fastening of the case 13 to the carburetor. Remove the filter housing assembly with thermostat 5 by disconnecting the pre-corrugated hose 2.
Loosen the coupling bolt 6 and remove the thermostat 5 with the cold air intake 4.
When installing the air filter to reduce intake noise, the filter cover must be installed with the arrow on the cover pointing as shown in Fig. 2-77.