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I'm back on this Yamaha 250 HPDI. I replaced the ecm with a
Hey Jason.I'm back on this Yamaha 250 HPDI. I replaced the ecm with a used one. It is popping a fault 26. I pulled the wiring diagrams and traced all wiring back to the drivers and tested. The harness… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
I have a 2002 Yamaha 250 HPDI This unit idols well
I have a 2002 Yamaha 250 HPDI This unit idols well low-pressure fuel steady at 50 high-pressure idling about 980 when I'd pull it up on a plane the high-pressure fuel drops down to about 200 psi low p… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
2002 hpdi 200hp Yamaha, just purchased boat. Had been
2002 hpdi 200hp Yamaha, just purchased boat. Had been sitting for a few years with fuel in it. Drained all fuel & changed water separators, filter inside clear plastic tube, replaced internal pump & f… read more
Charles
Charles
Certified Mercury Tech
5,752 satisfied customers
2001 Yamaha 225 hp ox66 The problem is when start the engine
2001 Yamaha 225 hp ox66 The problem is when start the engine and ready to engage its shuts off after that spark plugs are wet with the fuel and have a black color I have to wait for the engine to cool… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
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My name is ***** *****. I have a 2003 Yamaha Z150 HPDI. I am
Hi, my name is ***** *****. I have a 2003 Yamaha Z150 HPDI. I am having a problem with it stalling out as soon as I give it some throttle. it idles fine and putts along at very low rpm but as soon as … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
Yamaha HPDI 200 just coming off winter storage. started rough
Yamaha HPDI 200 just coming off winter storage. started rough and would not idle. I put it in gear and ran at 3500-5000 rpm for 3 or minutes. Now it idles very high at 1500-2000 rpm. Why?… read more
Charles
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I have a 2002 Evinrude 225 Ram Ficht. Runs very rough at idle
I have a 2002 Evinrude 225 Ram Ficht. Runs very rough at idle and stalls. If i manually adjust throttle linkage at the power head I can get the rpms to settle and run smooth around 650. Otherwise they… read more
MRYZ450F
MRYZ450F
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I am having a weird problem with my twin 4.3 EFI mercs, The
I am having a weird problem with my twin 4.3 EFI mercs, The port motor is running at 1000 more revs than the starboard. I have checked the tachos, both are reading correctly, checked cables and both h… read more
orcamarine
orcamarine
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I have a yamaha 50 hp outboard with about 20 hours on it. I
I have a yamaha 50 hp outboard with about 20 hours on it. I now have a problem that when I transition from idle to off idle it stalls. If I keep trying after about the fourth try it gets through the d… read more
Jeff G.
Jeff G.
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I have a 2003 28 Hydrasport CC with twin 250 HPDI Yamaha outboards
I have a 2003 28' Hydrasport CC with twin 250 HPDI Yamaha outboards and I am experienceing dificulty manipulatingthe throttles at the helm (i.e. forward and reverse movement has lvery recently seamed … read more
Captain Dave
Captain Dave
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I have a 1987 Sea Ray 25 express cruiser with a 260 Mercruiser
I have a 1987 Sea Ray 25 express cruiser with a 260 Mercruiser V-8. The shift handle is both throttle and shift with a neutral start switch. The switch works, and inspecting the mechanism with the cov… read more
John White
John White
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Hi Larry,.I have a new q for an old problem that went away
Hi Larry,.I have a new q? for an old problem that went away and seems to be returning,.Yamaha 115 4stroke 2002,.starboard engine; Engine services done were full HP fuel sys cleanup,.new LP fuel pump,.… read more
Larry B.
Larry B.
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High School or GED
574 satisfied customers
1990 Yamaha 130 HP. Very rough and unstable idle in NEUTRAL
1990 Yamaha 130 HP. Very rough and unstable idle in NEUTRAL but runs very smooth and steady in either gear. Had restricted top speed. Suspected 19yr old carbs might be plugged. Took off top carb - it … read more
Larry B.
Larry B.
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High School or GED
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1990 Yamaha 130 HP. Very rough and unstable idle in NEUTRAL
1990 Yamaha 130 HP. Very rough and unstable idle in NEUTRAL but runs very smooth and steady in either gear. Had restricted top speed. Suspected 19yr old carbs might be plugged. Took off top carb - it … read more
ROCKET
ROCKET
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My 2003 Yamaha motor wont idle, it roars its head off. I have
My 2003 Yamaha motor won't idle, it roars its head off. I have checked linkages, filters etc. Had it to the dealer and it went ok and they said there was nothing wrong with it but it has started again… read more
ROCKET
ROCKET
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I have a Yamaha 115 outboard engine. The problem is the prop
I have a Yamaha 115 outboard engine. The problem is the prop turns while throttle is in neutral. This I believe is causing the engine to stall while in neutral. What would cause the prop to turn?… read more
ROCKET
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My port engine stalls at idle speed and while shifting, I ...
My port engine stalls at idle speed and while shifting, I added Star tron, FA brand fuel additive and changed all the fuel filters with no luck, it still stalls. Is there an adjustment to the throttle… read more
Captain Dave
Captain Dave
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i have a 2005 yamaha sx230high output jet boat with twin ...
i have a 2005 yamaha sx230high output jet boat with twin 160hp 4 strokes.out of nowhere at full throttle my port engine will not exceed 8500 rpm,10500 to 11000 is normal and is what the starboard engi… read more
Pappy's Sales and Service
Pappy's Sales and Service
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