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2013 yamaha 115 outboard power loss

A

apqe48

New member
Hi,

I have on

2013 Yamaha 115 4stroke outboard power loss problems.


The engine always starts, idle and run at throttle under 3,000 rpm. It bogging down at higher throttle settings and would only run well again after throttling down for a minute or two. The longer I let it struggle at higher throttle the longer it takes to settle down again at lower throttle.

Fuel tank cleaned-ok,

injectors-ok,

water/fuel separator-ok,

fuel filters-ok

What could the problem be?
 
1. Do your Boat have YCOP?

2. The symptom limit engine speed (2000-3000rpm). Come from overheating, please check cooling system, and engine oil level.

3. Beside, the TPS is working not properly, check throttle system, Fuel pressure, compression pressure, spark plug.
 
Edgan Egals said:
1. Do your Boat have YCOP?

2. The symptom limit engine speed (2000-3000rpm). Come from overheating, please check cooling system, and engine oil level.

3. Beside, the TPS is working not properly, check throttle system, Fuel pressure, compression pressure, spark plug.
Click to expand...


1. yes I have YCOP
2. cooling system and oil - ok
3. ok
 
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