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Hi everybody, I'm new to the site and looking for some answers! My 2013 TRX 250 will not idle when cold. It seems like no difference if the choke is in or out. I have to keep goosing it until it warms up a little. Any ideas?
 

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The choke on the TM is just that, a choke, it chokes off the air supply to enrich the air/fuel mixture for easier starting, but there is no provision to step up the idle when the choke is on, therefore you have to fast idle manually. It is operating normally.

One solution is to choke fully, hold the throttle at a steady fast idle and shut the choke off immediately after the engine starts, then just stab the choke on and back off just often enough to keep the engine running till it will idle on it's own.

Note, don't let the engine idle for more than 5 minutes (give or take) to avoid overheating.
 
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