Question about Suzuki Motorcycles

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2008 boulevard 1800 fuel injected engine. Engine starts to stall once warming up, 6 or 7 kms, at no throttle. Seems to straighten out if I throttle hard for 4 or 5 seconds. Bike had 1700 kms when I got it this summer, now has 3500 kms. Seldom stalled in the beginning, but now is daily thing.

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  • Master
  • 381 Answers

Hello,
It does sound like you have dirty or clogged fuel injectors. The best way to fix that is to add a bottle of fuel injector cleaner into your gas tank and that will clear the issue as you drive the bike around enjoying the sights.
Good Luck!
-Rich L.

Posted on Nov 05, 2013

6 Suggested Answers

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Posted on Jan 02, 2017

  • 200 Answers

SOURCE: Engine stalls

I assume your bike has been in storage for awhile...Your engine is running on choke ONLY, that's why when you cover the air inlet it's the same as what the choke does.....your jets in the carb are clogged and will facilitate a removal and cleaning of the carbs my friend.....find a trusted mechanic and you'll be rolling in no time...Good Luck to you......Tim

Posted on May 09, 2009

  • 52 Answers

SOURCE: Honda 750 stalls if throttle is opened unless choke is on.

Hmm , sounds like a vacuum leak, check all the hoses, and the rubber intake manifolds and clamps

Posted on Jun 18, 2009

  • 375 Answers

SOURCE: I need tuning specs for my 1982 suzuki gs 750.

You need to fix the fueling first - without fuel it won't run!
Your other problem sounds like an air leak - either the manifold or the carb. Check by spraying WD-40 or CRC at the manifold and carb join while the bike is running - if the revs change (either up or down) you have a leak.

Posted on Jun 29, 2009

wayneman01
  • 301 Answers

SOURCE: Keihin CVK-D36 carbs on a 20 yr old ZZR 600

It sounds like your bike has been sitting in storage for an extended period of time (a year or more) - and the carburetors are plugged up. If this is the case, they will need to be completely disassembled and cleaned out.
If it hasn't been sitting (and the carbs aren't plugged up) then check that all of the normal tune-up items have been performed, especially valve adjustment, oil and filters, spark plugs, etc. If this fails to produce positive results, perform a compression check on the engine. Each cylinder must be able to produce at least 140 psi of compression in order to run and idle properly.

Posted on Nov 07, 2009

yeskimoe663
  • 224 Answers

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

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Very limited information for me to work with here, but if it is a newer fuel injected engine built prior to 2000 the try the procedure below.
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