Question about 2005 Suzuki Boulevard M50

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2005 Suzuki boulevard m50 runs fine for a few minutes and then when I drive it in town it begins to sputter at low rpm crushing. It will completely shut off. I pull off the road and it starts right back up but won't stay running unless I am on the gas. I can let it sit a few mins and it will run okay

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I am having the same problem with mine, same bike as well. I can change plugs and they are fouled in 2 miles. I have tried cleaning injectors, new fuel programmer, and no fuel programmer, nothing has worked. I have also noticed my fan does not kick on anymore and I know it's getting hot enough to run, maybe a temperature sensor?

Posted on Aug 07, 2013

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This is a fuel injected model and a number of electrical components in the FI system could be the problem. An experienced tech will have to diagnose these issues. As the owner you could check things like the air filter for possible rodent nesting inthe air box. This is common if bike is stored in an area where they are present. Also syphon all the fuel out an inspect for water or debris , refill with fresh fuel. If you find comtaminates a new fuel filter, located in the tank will be in order.

Posted on Jan 18, 2013


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Posted on Jan 02, 2017

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SOURCE: 2006 Suzuki Boulevard C50 engine dies

Even though you probably don't have that many miles on the bike, or if you do have a lot riding time on it, it sounds to me like you need a valve adjustment. That's a high reving bike for that engine that works pretty hard so you might have 1 - 3 loose valves.

Posted on Dec 10, 2009

  • 55 Answers

SOURCE: 2005 Suzuki c90 Boulevard, started bike up after

You can reset by disconnecting the battery for about half an hour, but the gaskets on the fuel system have been dry for a couple of months, and in turn have shrunk, this would cause the pressure to drop, and you may need to re-tighten all the screws on the feul pump, rail etc. Hope that helps!

Posted on Mar 10, 2009

SOURCE: Need help with an Oil and filter change on a 2005 Suzuki M50

Go here:

Download the service manual.

Posted on Apr 25, 2009

ollie reece
  • 1167 Answers

SOURCE: My 2005 Suzuki Boulevard M50 needs an oil change.

hi buddy you must use silkolene pro 4 plus 5w-40 hope this helps buddy

Posted on Sep 19, 2009

  • 15 Answers

SOURCE: what is the firing order for a 1981 Suzuki GS550L

If it starts up and runs fine then the firing order isnt your problem you must have some sort of vacuum issue possibly not enough air

Posted on May 19, 2011

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Need help with an Oil and filter change on a 2005 Suzuki M50

Go here:

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