Yamaha Tilt Trim Motor, 115-225 HP Outboard, Heavy Duty Logo
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Anonymous Posted on Oct 25, 2015

Starts up, then why does it cut out when going to full throttle?

The motor ran fine for about 10 miles on the water then on the way back to the dock it hesitated while in full throttle then just shut off. When I restart it,it idles but when going into throttle at increased RPMs it cut out again.

5 Related Answers

Anonymous

  • 2336 Answers
  • Posted on Nov 10, 2008

SOURCE: hesitation

if it sat for 4 years with gas in the carburetors you will have to clean them--that goo in them will keep breaking up and stop up everything.

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RJones1125

Rick Jones

  • 373 Answers
  • Posted on Feb 22, 2009

SOURCE: I have a 2003 V Star 1100 custom. Great bike but

carbs. need to be adjusted

armstrong750

  • 109 Answers
  • Posted on May 04, 2009

SOURCE: Stalls to idle after riding for an hour.

It sounds like you probably need to replace the fuel filter, or you may have alot of trash in the bottom of your gas tank, possibly even water in the gas. If you can, take the tank off and clean it out well, making note if there is any trash in it, by emptying it into a bucket so you can examine it. Go ahead and replace the filter if you find any trash or water in the gas tank. If it is ok, then the next thing would be to check the fuel line for aging. Sometimes in rare cases, the hose gets old and weak and when you try to pull fuel through it, it can collapse and essential stop the gas flow, just as if you have turned the gas off, then when the suction is stopped the hose will open back up and appear to be in good shape. You can use your fingers and squeeze the line the entire length and see if it seems to feel excessively soft, if so that could also be causing your problem.

tombones

  • 3567 Answers
  • Posted on Jun 07, 2009

SOURCE: idles revs by itself

You have an air leak in the intake system. The fuel mix is getting lean from excess air mixing with the gas. New gaskets and seals between carb and head will usually take care of the problem. Any oil stains around the base of the cylinder head? Head gasket going bad.if there is. The gasket could be the leak. Time for a valve job? Air getting sucked in past an exhaust valve or two? Have the compression checked. Find the leak(s) and you find the fix.

Please rate this solution. Thanks!

Anonymous

  • 53 Answers
  • Posted on Jun 16, 2009

SOURCE: R6 hesitation when starting out

Not often i see good questions like this. I would start with riching the carbs a bit. Another possible simple solution is to get your plugs check to make sure they are firing at full capacity, either one can cause the problems you have described. My first guess though would be the carbs, it sounds like the throttle is set a bit off to what it should be at. The fact that your bike runs fine otherwise also suggests this conclusion.

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