Engine difficult to start or inability Cause Remedy (1) air filter clogging (2) poor quality of fuel to clean the air filter (3) Replace fuel injector atomization bad (4) Replace the gas mixture of poor quality injectors (diesel) (5) does not clean or replace the valve clearance carburetor (gasoline) (6) does not adjust the spark plug gap spark plug gap (gasoline) (7) does not adjust the fuel supply advance angle of fuel supply advance angle (8) Valve leak grinding or replace valve (9) severe wear replace piston rings piston ring (10) due to lack of oil and replace pull-cylinder diesel engine cylinder liners, pistons, piston rings, Tiller order to replace the gasoline engine casing, pistons, piston rings other new machine for the first time to add a little oil, Tiller, the machine running 20 hours after the oil should be done and, Tiller picture, and then add new oil, which aims to residual impurities and machines within the machine abraded metal powder clean machine before wear, durable, Tiller STOCK | Aage Ruijin agricultural machinery | Tiller provided by the Texas Agricultural Machinery Co., Ltd. Aage Ruijin. Texas Agricultural Machinery Co., Ltd. Ruijin Auger (www.agrjnongji.com) quality of service and products, continue to receive the recognition and trust of new and old customers and the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!