You are getting too much air into your engine, if this is a motorcycle, ATV or dirt bike carb try adjusting the air screw.
It is a carburetor where the engine coolant is routed through the choke system of the carburetor. When the coolant is cold the choke will close. As the engine coolant heats up it opens the choke.
The carb needs to be removed, disassembled, cleaned and reassembled. If any gaskets tear you will need a rebuild kit.
Clean and adjust the carburetor. Also clean the air filter.
Manual choke
no
To install a choke on a Rochester carburetor, first ensure the carburetor is clean and the engine is off. Remove the air cleaner and locate the choke housing on the carburetor. Position the choke plate within the housing and secure it with screws, ensuring the spring is properly oriented. Finally, connect the choke linkage to the throttle lever and adjust it as necessary for proper operation.
A common cause for an automatic choke to stick in a 318 Dodge truck is a dirty carburetor. A spray can be used to clean the carburetor to stop the choke from sticking.
The choke control should have a cable attached to it that attaches to the choke on the carburetor at the other end. If you have no movement at the carburetor when you move the choke lever, look for the cable to be disconnected at either the choke lever or the carburetor.
If your TTR-50 only runs with the choke on, it likely indicates a fuel delivery issue, such as a clogged fuel filter, dirty carburetor, or a blockage in the fuel line. The choke enriches the fuel mixture, compensating for insufficient fuel reaching the engine. This condition could also point to an air leak or a problem with the carburetor's adjustment. It's advisable to clean the carburetor and check the fuel system to resolve the issue.
Choke Cleaner
An automatic choke is connected to the carburetor on small engines. To get a new automatic choke, a new carburetor will need to be purchased. It is easier to install a manual choke and less costly. Kits for this are sold at most automotive repair stores.
I assume your question was "do you ride an Xr100 with the choke on?". In response to that the answer is no. If you are having to run it with the choke on, that is an indication of clogged jets in the carburetor which will require removing the carburetor, disassembling, cleaning, reassembling and reinstalling on the bike.