need engine help please

[bmcc313]

i recently bought a new nitro. I just finished break in but the engine is not running right. when i start it up it runs fine but pnce i start running it and get i up to temperature it starts idling really high when i let it sit. then when i hit the gas it will almost bog and idle normal for a few seconds if i dont apply throttle then start idling high again and will start moving with out me applying throttle. it is also running really hot which i know i need to richen it, but the thing is when i first start it it idles normal so i if i adjust the idle and mixture screws, will it not start because the idle will be to low. any suggestions? thanks

 

[hamz9561]

Has the engine been sealed?

 

[BamaFan]

Sounds like your lsn is way too lean and your hsn is rich. Put the settings back to stock and only make small corrections. Adjust the hsn first after it runs full throttle good then slightly turn your lsn in 1/16 at a time then make a lap and make same adjustments on lsn till you get good throttle responce. If your lsn is too lean your idle screw will be no use. After you get good throttle responce and good top end then adjust your idle accordingly which should only be minor adjustments if you set it a 1mm open.

 

[Metalhead Matt]

Seal it first.