Engine Trouble Can't get engine to stay at idle!!

[Deeman69]

On the C-clip position on the needle, "Longer is Leaner". The higher your hometown elevation is, the leaner you need to be. I'm at 4800 ft in southeast Arizona and I run all the way at the top! Also the idle adjust screw. I would play with that a lot before getting too crazy with any other adjust. Good luck!

 

[Maxzybowski]

Put the C clip in the needle valve back in the middle, I would also junk that Chinese Z series spark plug and replace it with an NGK-BR6HS spark plug and always be sure it is gapped at .025 thousandths while running a stock carburetor.

https://www.amazon.com/NGK-BR6HS-Standard-Spark-Plug/dp/B000F0G0TK

How is the spark plug the problem, it also didnt work when the cclip was in the middle or at the top or at the bottom

 

[DAMIEN1307]

but it wont stay at idle.

So does the idle just die off or is it doing a high idle type of thing on ya.

 

[DAMIEN1307]

How is the spark plug the problem,

Cheap crappy Chinesium spark plug with no quality controls, inconsistant spark etc...We have all been there and that is the first thing experienced builders here do...We throw them away...lol.

 

[Maxzybowski]

So does the idle just die off or is it doing a high idle type of thing on ya.

It just dies off

 

[Maxzybowski]

On the C-clip position on the needle, "Longer is Leaner". The higher your hometown elevation is, the leaner you need to be. I'm at 4800 ft in southeast Arizona and I run all the way at the top! Also the idle adjust screw. I would play with that a lot before getting too crazy with any other adjust. Good luck!

i have tried the c clip in all of the positions and it still didnt work

 

[DAMIEN1307]

I would be getting the spark plug replaced first and then we can proceed from there...Please don't forget to post the pics I requested, many a problem has been solved after just seeing some pics where we can see something obvious that jumps out at us that a new builder would not even notice.

 

[Maxzybowski]

So does the idle just die off or is it doing a high idle type of thing on ya.

It just dies off

 

[DAMIEN1307]

How much play do you have in the twist throttle before it engages the carburetor to give it gas???

 

[GW's Motorized]

I live at 2000 feet, I actually had to rich out my mixture