| 摘要 |
PCT No. PCT/SE81/00350 Sec. 371 Date Jul. 16, 1982 Sec. 102(e) Date Jul. 16, 1982 PCT Filed Dec. 1, 1981 PCT Pub. No. WO82/01917 PCT Pub. Date Jun. 10, 1982.An air filter in front of the intake opening of the carburetor has an elastic lower surface (20) with a bead (19) which is movable in the intake opening. The displacement is adjusted by means of a choke control (22) which at maximum deflection presses the whole bead into the intake opening. |
