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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 40933
Experience:  Service manager and technician for all brands of engines with 40 + years of experience.
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New spark plug fitted but machine doesn't run for more than

This answer was rated:

New spark plug fitted but machine doesn't run for more than 10 to 15 minutes
JA: What specific tool or machine does this involve?
Customer: Honda powered Mantis tilling machine
JA: How long has this been going on with your Honda? What have you tried so far?
Customer: Just recently, put a new spark plug in properly gapped
JA: Anything else we should know to help you best?
Customer: You tell me that's why I am here

Fuel tank venting? Are the fuel lines in good condition? When it stops, how long before it will restart?

If it takes a while before it will restart, the ignition coil is failing.

Customer: replied 1 month ago.
Fuel line is good, machine restarts instantly but won't run when fully warm for more than 30 seconds or so

Has the carburetor been removed and cleaned?

Customer: replied 1 month ago.
Any advice?

Clean the carburetor, and if that does not help, replace the ignition coil.

Curtis B. and other Small Engine Specialists are ready to help you
Customer: replied 1 month ago.
Return my payment of 16 pounds as I do not want a phone call from you
Customer: replied 1 month ago.
Return my payment of 16 pounds as I don't want a phone call from you

OK< call was not required.