1982 honda urban express nu50m deluxe engine dosen't stay running.

Richard Camacho /

Engine starts when cold after a minute engine slowly shuts off I remove spark plug and its foul with oil replaced with a clean one then it starts and again shuts off dosent start until a 1/2 hour later engine has new piston with rings and new cylinder and head.

Re: 1982 honda urban express nu50m deluxe engine dosen't stay running.

If all of your original hoses are intact, the reason it starts when cold is probably because the autochoke circuit is feeding it fuel when cold, and when it warms up and closes off, it's not getting proper fuel. Possibly main jet clogged.

Re: 1982 honda urban express nu50m deluxe engine dosen't stay running.

clean that carb!

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