Basically all a choke does is restrict airflow to the carb so the air/fuel mixture going into the engine is in a "rich condition" meaning a lot more fuel/oil than air. The choke creates a vacuum to pull more fuel from the jets and into the air/fuel mixture.

 

Basically all a choke does is restrict airflow to the carb so the air/fuel mixture going into the engine is in a "rich condition" meaning a lot more fuel/oil than air. The choke creates a vacuum to pull more fuel from the jets and into the air/fuel mixture.

Oh ok, that makes sense, thanks!

 

^ Bingo. And on a snowmobile (most of the time) is is a plunger choke, not a flipper choke (both do same thing).

 

Its not patheitc at all. If no one told you, how would ever know unless you ask?

Bssically, an engine is like an air pump. If its turning over its trying to suck in air then spit it out. If you close off the air flow (old butterfly style choke on sleds and carbureted cars) or "choke" the air flow, itll draw more fuel because of the vacuum created in the carb. Mikuni carbs and other similar carbs dont actually choke the air flow off, the choke lever open up a little fuel passage that supplies extra fuel with the existing vacuum that that is present when the throttle is in the closed position.

 

Jh

 

Hey guys, I know its kinda pathetic, but I have never ever been told how a choke on a snowmobile works let alone, a choke on any other motor. If somebody could give me a quick explanation I would appreciate it. Thanks!

just google it bro bro