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Installed a new High Pressure Fuel Pump two years ago
Installed a new High Pressure Fuel Pump two years ago because the boat was running bad and that fixed the problem. Now fast forward to this past Memorial Day, the engine was "surging" when running dow… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,647 satisfied customers
I have a Yamaha VX150. It cranks and runs smooth. A few
I have a Yamaha VX150. It cranks and runs smooth. A few seconds after accelerating to full throttle the engine dies immediately (almost throws me over the console) and then suddenly goes back to full … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,647 satisfied customers
I may be having fuel pressure issues. I cannot find for sure
I may be having fuel pressure issues. I cannot find for sure what my fuel pressure is supposed to be. The boat will not get up on plane and has little power at WOT … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,647 satisfied customers
I have a mariner 150hp v6 2-stroke carb outboard engine. It
I have a mariner 150hp v6 2-stroke carb outboard engine. It start fine, and idle fine. It also run nice at wot, but if I have alow rpm's a vhile, it will not accelerate, and dies over 1500rpms. But if… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,647 satisfied customers
2003 60hp mercury Bigfoot. Idles min then hesitates and runs
2003 60hp mercury Bigfoot. Idles for 5 min then hesitates and runs rough. Does the same at wot. Changed fuel filter, low pressure pump, fuel line with pump ball, fresh gas with seafoam. Still has the … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,647 satisfied customers
I have a 2006 200 e tec the fuel pump vapor seperator is over
i have a 2006 200 e tec the fuel pump vapor seperator is over filling on idle or trolling but runs fine wot i took hose off top of cainster an fuel came out pump works need possiable float guts for in… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,647 satisfied customers
i have a 2012 tahotsu 40b2 outboard. It is fuel and oil injected.
i have a 2012 tahotsu 40b2 outboard. It is fuel and oil injected. It is also tiller handle. It started idling rough and dieing. I replaced all the gas and and added seafoam. I replaced the spark plugs… read more
Jason
Jason
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Vocational, Technical or Trade Scho
18,647 satisfied customers
Jason ok 2008 f250 yamaha 4 stroke replace low and high
Hi Jason ok 2008 f250 yamaha 4 stroke replace low and high pressure fuel pump and it does not want to start , The VST tank has fuel and the the motor turns over but it will not start all the small fus… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,647 satisfied customers
my evinrude 115 ficht fuel pressure drops when increasing rpm.
my evinrude 115 ficht fuel pressure drops when increasing rpm. starts out at 30psi at idle when i increase rpm fuel pressure at the high pressure side drops to below 10. I also tested at the low press… read more
Master Tech
Master Tech
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Vocational, Technical or Trade Scho
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I have a 2007 searay sundancer. The water pressure is very
I have a 2007 searay sundancer. The water pressure is very low. Only half hearted stren a little more than a trickle comes out… read more
Charles
Charles
Certified Mercury Tech
5,078 satisfied customers
My name isXXXXX purchased a 275 Verado fitted to my 22
My name isXXXXX purchased a 275 Verado fitted to my 22' ski boat back in 2006. The engine serial number is XXXXX We used the boat alot at first but left home to travel around Aust in mid Jan 08 and ha… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
,Have a 1999 175 hp Johnson, have replaced the VRO/fuel pump/rebuilt
,Have a 1999 175 hp Johnson, have replaced the VRO/fuel pump/rebuilt fuel separator/checked primer selonid/checked primmer hoses and fitting for blockages/replaced priming ball/checked hoses at tank a… read more
Jason
Jason
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Vocational, Technical or Trade Scho
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At WOT its stumbles and runs rough, than clears up but starts
At WOT its stumbles and runs rough, than clears up but starts again. If i pump the fuel primer bulb it may or may not clear up, even if i stay there pumping it. I can hear the fuel pump knock a little… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
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I have a 2004 Yamaha F225 four stroke that appears to have
I have a 2004 Yamaha F225 four stroke that appears to have an ethanol fuel issue. The motor sat for six months with very little use. I have removed the check valve exiting the fuel tank as it was seiz… read more
Jeremy R.
Jeremy R.
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Re Glacier Bay 2640 Renegade with twin 2003 Suzuki DF140s Im
Re: Glacier Bay 2640 Renegade with twin: 2003 Suzuki DF140s 530 hours on them. I'm in Cayman Islands and unfortunately have no test computer for the Suzuki DF140 available. Two things going on with th… read more
Jason
Jason
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175 Johnson runs fine if someone pumps the bulb. At idle will
175 Johnson runs fine if someone pumps the bulb. At idle will eventually stall as the pulse on (both old, then rebuilt, and now new) fuel pump increases. One last thing, after sitting all night the fu… read more
Master Tech
Master Tech
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Vocational, Technical or Trade Scho
1,167 satisfied customers
Larry, What should the pressure be at the VST. My 2004 Mercury
Larry, What should the pressure be at the VST. My 2004 Mercury Optimax 225 is leaking fuel out of the vent line on the VST. It is somehow over riding the float/valve.… read more
Larry B.
Larry B.
Marine Service Tech
High School or GED
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How do you drain the fuel vapor separator on a 2006 ...
2006 Yamaha 150TXR Outboard Motor...How do you drain the fuel vapor separator? Is it the drain screw to the fuel injection pump casing on the lower left rear side that has a 1/8 inch hose connected to… read more
JamesHorvath305
JamesHorvath305
Owner, President
Associate Degree
30 satisfied customers
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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