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For the first time ever my 90hp won't start. It's cracking,
for the first time ever my 90hp won't start JA: Sometimes things that you think will be really complicated end up being easy to fix. The Marine Mechanic I'm going to connect you with knows all the tri… read more
Jason
Jason
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Vocational, Technical or Trade Scho
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My boat has a Yamaha 704 top mount remote control and I put
My boat has a Yamaha 704 top mount remote control and I put a new(used) engine on the boat. The new engine has a Yamaha 703 side mount remote control. Old engine was a Yamaha 90hp 1987 model , new eng… read more
Jason
Jason
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Vocational, Technical or Trade Scho
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my 22 pontoon boat will not turn over. replaced battery,
my 22' pontoon boat will not turn over. replaced battery, lights work, etc. but no spark. I checked fuses on engine are okay. what do I do next? Yamaha 90hp, 2007.… read more
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Jason
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Vocational, Technical or Trade Scho
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i was given a boat thats been sitting for at least a year.
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Jason
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Vocational, Technical or Trade Scho
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I want an 90hp etec for my bass boat since the boat is rated
I want an 90hp etec for my bass boat since the boat is rated for 80 hp or less my mechanic says he can only put the 75hp etec on the boat. Both are the same weight just derated. can I buy the 75hp the… read more
Jason
Jason
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Vocational, Technical or Trade Scho
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Jason, I have 90hp 4stroke yamaha (F90TXR) that is not running
Jason, I have 90hp 4stroke yamaha (F90TXR) that is not running well at all. It constantly stalls at idle and when I increase the throttle it runs rough. It appears to be a fuel issue and I've replaced… read more
Jason
Jason
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90hp yamaha outboard cold start problem will fire but wont
90hp yamaha outboard cold start problem will fire but wont idle, after engine warms up engine runs fine need to run on fast idle to get engine temp. up.… read more
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What is the horse power and top speed of a 1998 Yamaha Waverunner
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Jeremy R.
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How can I tell if Yamaha 90hp (2007 model) outboard alternator
How can I tell if Yamaha 90hp (2007 model) outboard alternator is charging correctly? Is there a tool I could buy at an auto parts store to troubleshoot? We put a new battery in our boat, used it for … read more
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Jason
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i have a 1998 yamaha 90hp. it was running great until i had
i have a 1998 yamaha 90hp. it was running great until i had to tow my sons 26 foot baha back to the launch as it broke down. when pulling him back i could tell it was hard on my motor. when we got bac… read more
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Jason
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Vocational, Technical or Trade Scho
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I have a 2006 90HP Yamaha 4 stroke engine. It is on a 23ft
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We have a 1970 15 Starline boat with a 1970 Chysler 85HP motor&#
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Tan
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I have a 2005 50HP Yamaha. It runs fine up to about 2000rpms
I have a 2005 50HP Yamaha. It runs fine up to about 2000rpm's when it reaches 2000rmp's the is no power to the prop and the rpm's race. Is there a clutch in the lower unit that could cause this? Or ca… read more
Michael
Michael
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I HAVE A 2005 YAMAHA 4 STROKE 90HP MOTOR. I RELACED THE BATTERY
I HAVE A 2005 YAMAHA 4 STROKE 90HP MOTOR. I RELACED THE BATTERY ON 6-4-10. COLD VOLTS ARE AT 12.51, WHEN I RUN THE MOTOR ABOVE AN IDLE THE VOLTS REMAIN THE SAME AS IF THE MOTOR IS NOT CHARGING THE BAT… read more
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I am buying a new 20 foot pontoon boat and trying to decide
I am buying a new 20 foot pontoon boat and trying to decide between buying a 90hp mercury motor or a 90hp yamaha motor, both would be 4 cycle. Any sugestions?… read more
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I am having problems setting my boat rpm meter, what under
I am having problems setting my boat rpm meter, what under the dash, what should the setting be for a 4 stroke yamaha 90hp 2003 eng… read more
TOM
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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
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Hi. I have a 2005 Yamaha 70hp outboard motor. I noticed ...
Hi. I have a 2005 Yamaha 70hp outboard motor. I noticed that the 90hp model hs the same bore and stroke, and I think the same compression as the 70. Is there some way to increase the power of the 70 t… read more
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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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