1989 Suzuki GSX 750 F (Katana) Logo

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Suzuki Rider Posted on Jun 07, 2017

1989 Suzuki GSX 750 F that won't idle below 3000 rpm

It won't start without Aerostart or choke, the mechanic trying to fix it has cleaned the carbs done a compression test, the jets are fine no junk found in the bowls, once you rev the bike or the revs drop below 3000 the bike dies. The mechanic is out of ideas but now wants to take the carbs off and get them sonic cleaned? Any suggestions?

5 Related Answers

Anonymous

  • 23 Answers
  • Posted on Mar 25, 2009

SOURCE: GSXR 750 Slingshot wont rev past 5000rpm, with or without choke

I have seen this before a few things to do too make sure. First take the air filter out and shine a light use your fingers to move the slides up and down I suspect the springs that go on the slide is not seated in center you can tell from the slide going halfway and hanging up. Next, the boots on the slides only go on 1 way there is a notch on the carbs for them. I would guess this would fix you up if not we can get deeper into it with air-fuel mix screw settings.good luck

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Anonymous

  • 2 Answers
  • Posted on May 25, 2009

SOURCE: FXR suzuki 150 will idle but wont rev

Clean the fuel tank, fuel hose and fuel valve.

Anonymous

  • 375 Answers
  • Posted on Jun 29, 2009

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.

jmgldsmth

Jim Goldsmith

  • 2005 Answers
  • Posted on Jul 29, 2010

SOURCE: 1989 Suzuki GSX 750 F Katana dies off.

replace the fuel filter

Anonymous

  • 426 Answers
  • Posted on Feb 01, 2011

SOURCE: Hi , my suzuki Bandit GSF 600 2002 plate, off road

Ride the bike 20 or so miles on open road. Stop and remove plug to inspect. 'Are they black or white ?


Black =rich white=lean

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