RCU Forums - engine problem

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- - engine problem (https://www.rcuniverse.com/forum/rc-car-general-discussions-179/7456087-engine-problem.html)

buggyracer5

05-04-2008 08:10 PM

engine problem

MY motor runs fine at full throttle, but when I let off the throttle and it will not idle, it stalls. Im pretty sure the needle valve is tuned properly, but I could be wrong.

sheograth

05-04-2008 08:12 PM

RE: engine problem

Check your idle adjustment screw and/or the throttle linkage and trim. Basically you want to make sure that the carb is NOT being fully closed when it should be idling. With the engine off, remove the air filter and take a peek. At neutral, the carb should be cracked open a bit to allow an idle.

experimental_pilot

05-04-2008 11:09 PM

RE: engine problem

It could also be the LSN is too rich. When you close the throttle it loads up with fuel.

raymanh

05-05-2008 10:51 AM

RE: engine problem

At idle the carb should be open 1mm.

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