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JON, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1396
Experience:  Certified Small Engine Technician
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My 4 stroke 225 yamaha cranks easily; but will not take full

Customer Question

my 4 stroke 225 yamaha cranks easily; but will not take full throttle; I realize fuel pumps, filters need to be checked but could this be due to stale gas?
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: boat sat idle for past 10 mos; just tried to use and problem arose; had service and new filters yr ago
JA: Do you plan on doing the work yourself?
Customer: no
JA: Anything else we should know to help you best?
Customer: no
Submitted: 2 months ago.
Category: Small Engine
Expert:  JON replied 2 months ago.
Stale fuel will not start at all. Being as it will idle, but not take throttle is a clogged fuel port.
Carb needs cleaning
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