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Suzuki overheating issue?

Old 07-05-2017, 04:59 PM
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Default Suzuki overheating issue?

I have a 2006 DF 250 that shuts off from what appears to be overheating. During our last trip, about 2-3 hours into it, the motor quits. It only happens while in neutral or at idle speed. After 10-15 minutes, she fires right back up. This happened a few times. Both thermostats and the water pump(pee stream has been normal throughout) have been changed and the problem still persists. No damage to the old impeller but the thermostats looked, well, old. Any ideas?
Old 07-05-2017, 09:27 PM
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What indications are you getting that suggests overheating?

Any steam?

Any warning codes on the gauges??

Did you check the fuel primer bulb when the motor stalled?? Was it flat or empty??
Old 07-06-2017, 01:14 PM
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Originally Posted by Moonlighter475 View Post
What indications are you getting that suggests overheating?

Any steam?

Any warning codes on the gauges??

Did you check the fuel primer bulb when the motor stalled?? Was it flat or empty??
Pulled cowling off first time this happened, engine was too hot to touch for more than a couple seconds.

No steam.
Gauges were disconnected when I bought the boat.

Primer bulb was not flat.
Old 07-08-2017, 09:07 AM
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If that engine has a Poppitt valve change it. This solved my overheat problem on a 2008 df115.
Old 07-08-2017, 09:18 AM
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are we talking about overheating while on the flush eares or port, if so you need to cover the small holes above the water intakes on the gearcase.
on the earlier models the water intake tube has been known to rot out from the inside out , remove the gearcase and have a look along the tube for sign of a pin hole .

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