I'm going to talk through them and explain how you can fix it. We've all had that small motor that only runs with the choke on, here's how to fix it by cleaning the carburetor jet Applies to all small engines like a snowblower, mower, trimmer weedeater. Dwight coleman there are usually only a few possibilities if it only runs with the choke One cause could be an air leak on the carb, head gasket, crankshaft seal The other could be a clogged low speed and idle circuit
Since you just got the engine done i would double check the carburetor You do want to make sure that it is set right and that it is clean Check everything properly again and. Some engines utilize a manual fuel primer bulb to enrich the ratio of fuel in the fuel air mixture for initial engine starting Both the manual choke system and the manual primer system engines may experience this similar symptom of running only when the fuel mixture is enriched. When your small engine only runs on choke, the cause may be the fuel delivery system or some problem with the carburetor
A riding lawn mower may only run with the choke on when the engine is getting too much air or not enough fuel This may be due to a dirty carburetor Clogged or punctured fuel line, or bad carburetor gasket Refer to your operator's manual for all safety precautions. Engine only runs on choke troubleshooting an engine that only runs on choke is a common complaint, especially among dirt bike and atv owners Only runs with the choke on if your engine only runs with the choke on, check the springs, gasket, air filter, diaphragm, and carb
Our repair and troubleshooting guide will help you understand the cause of your problem and how to best repair it This is a general repair guide Check the manual provided by your owner for more specific repair information related to your model. The engine runs better with the choke partly on because it's getting too much air with the choke all the way off This is the classic dead giveaway sign of a fuel delivery problem People on this forum always tell you to clean the carburetor but they don't tell you why.
