problem to start the engine

[smartech uno]

Hi
i have problem to start the engine its Starts and shuts down
Below is what I checked:
*fuel its fresh
*Spark plug-new
*carburetor -new
*fuel in the -ok
*i open and clean the stop engine button ,and the connection
1-The engine hard to start, 2-i need to spray carburetor cleaner in to the engine its help little
Thanks

 

[atom3624]

- Do you prime it before starting?
- Is the carburettor with a choke or not?
- Are you sure the fuel pipes are attached the right way around?
- Is there a kink in the fuel pipe?
- When you prime it, can you SEE the fuel moving?
- Is there a breather tube fitted to the tank?
- Have you checked the carburettor settings are set to the 'factory settings' - 1.25 LOW, 1.375 HIGH +/- ?

Just a few thoughts.
Al.

 

[smartech uno]

- Is the carburettor with a choke or not?-No
- Are you sure the fuel pipes are attached the right way around?
- Is there a kink in the fuel pipe?
- When you prime it, can you SEE the fuel moving?-There is Bubble
- Is there a breather tube fitted to the tank?
- Have you checked the carburettor settings are set to the 'factory settings' - 1.25 LOW, 1.375 HIGH +/- ?-yes its correct

 

[smartech uno]

i disconnect the stop engine switch (to check if this is the problem)
but now when i tray to start the engine the pull start are Loose (like no Compression)

 

[Trebor]

carb cleaner may damage the seals in the carb......letting air in :w00t:

have you taken off the pull start to make sure nothing is broken

K....

 

[lucky 69]

also i would check make sure your getting spark .i just replace my plug wire and man what a difference mine would start then run a second or to then die .that was what i replaced . just worth a check .goodluck

 

[Boostcreepr]

Also, sounds weird but check that your plug is tight! On more then 1 occasion i have had to tighten my plug as it was finger loose after a run. I put a small dot of blue loctite to fix that problem though.