tecumsehsnowblowerhuayi carburetorstecumseh carburetorcarburetorholley carburetorcarburatorавтоподсос карбюраторакарбюраторcarburateur tecumseh100% and high qualityHighly matched to the deviceSturdy and ble, service lifePart Number:640349 640052 640054 640058 640058AMaterial:metalColor: SilverFitment:For Tecumseh 8 9 10 HP Craftsman Toro Ariens 824 Snow BlowerFor Oregon 50-659 Stens 520-926 CarbFor Carburetor for Tecumseh 640349 640052 640054 hmsk80 hmsk90lh318sa l358sa 8hp 9hp 10hp snow blower chipper carburetorWhen the work is not good:1. Oil circuit problem: tank to carburetor oil supply is not smooth. Chewhether the oil circuit is open, whether the is choked or not, and whether there is foreign matter blocking.2. The idle speed is too low: the new carburetor can not match the machine completely, and the old machine may need higher idle speed because of the or wearing of various parts. The new carburetor is based on a brand-new machine matching test, the test s are qualified after the factory, unable to meet the needs of each customer's different s. This situation needs to increase the idle speed: the valve screw at the red circle arrow (clockwise adjustment of 1-2 rings)3. The negative preure hole is blocked: the negative preure hole is blocked also cause the extinguishing situation. Chewhether the negative preure hole in the red circle is blocked when it is installed.Package Contents:1 * Carburetor2 * Clamps1 * Spark Plug1 * ket1 * Line1 * Filter1 * Cut-off valve1 * AemblyOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.