Question about 2004 Skyteam ST 125 SM

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Cleaned carb - revs high

have cleaned the carb of a 1972 ts250 suzuki - when i start it it revs very high - what have i done - thanks

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You must have wrongly fitted it back,check throttle cable and see if the carb air intake is closing properly when throttle is released.This should solve your problem.

Posted on Sep 26, 2009

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Posted on Jan 02, 2017

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

Hi, Suzuki #5 is jumping up and down waving the Suzuki flag screaming "pick me pick me" and the usual suspects are:
1. Throttle cables improperly adjusted, pinched or need lubrication.
2. Idle adjusting screw needs to be backed off.
4. Air fuel mixture adjusted too lean start with 2 full turns.
5. Intake system air leak, check intake boots with propane
6. Fast idle choke ramp is not releasing.
7. Broken throttle return spring.
8. Damaged diaphragm or slide.
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89 Suzuki Katana 600 High Idle Issue Sportbikes net
Suzuki 85 GSX R750 Service Repair Manual
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Jun 07, 2017 | 1989 Suzuki GSX 750 F (Katana)

1 Answer

1978 suzuki ts250 uncontrollable revs

Hey Elijah... the main jet on these bikes is not "adjustable" is a set sized jet.. what you did is probably fixed the air leak that was causing the rev issue..

Jul 17, 2017 | Motorcycles

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Removed carb of Z125 Suzuki. Cleaned it and put it back. Now it over reves the enging.

Hi The slide is probably stuck in the carb, it only fits 1 way - with the groove in the slide aligned with the projection in the slide chamber Either that or the idle or air screws need adjusting The other thing that makes them rev high is an airleak around the inlet tract

May 06, 2011 | 2003 Suzuki RM 125

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1972 suzuki ts 250 ignition switch is broken. Wanting to find out what wires to hook up at the ignition switch for the magnito to work. Dont care about anything else electrical, just want it to get spark. ...

I just picked up a 1974 ts250 with a broken ignition too. The previous owner just cut all the wires and removed the ignition all together. This allows the bike to start and run (with 4 bare wires sticking out...). To kill it, I touch the bare ground lead (the black wire with the white stripe) to the handlebar clamp (or any other ground source). Not a permanent solution, I'm working on wiring up a nice little toggle-switch along with a hidden toggle to keep it from being able to start all the time. These old dual-sports are pretty much dirtbikes with a road-kit factory mounted. So the electrics are pretty simple. Hope this helps!

Aug 24, 2010 | Suzuki 250 SB Motorcycles

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2 stroke scrambler revs high on its own

there should be an idle screw on the carb, set it when the choke has come off. You'll recognise it because it will have a spring underneath it.

Sep 05, 2009 | 2001 Suzuki GSX 400 Impulse

1 Answer

Carb problem

You have an air leak that is making the fuel mix too lean. Probably intake manifold gaskets. Other sources are reed valves chipped, deformed or broken, cylinder head gasket not fully sealing and crank seals gone bad. Your bike is 20 years old, I don't remember if your bike has reed valves.

The dealer is not going to have new parts. google " suzuki motorcycle parts " and " antique suzuki motorcycle parts "
also google " motorcycle salvage suzuki ". This should give you some sources for parts.

Please rate this solution. Thanks weldin_fool!

Apr 18, 2009 | 2003 Suzuki RM 125

1 Answer

My 1971 ts250 wont idle, it runs fine at higher RPM's but i have to choke it to start it and rev it to keep it running. ive cleaned the carb 3 times since spring and cant figure it out.

i fixed the problem simply by adjustingthe screws on th side of the carb. my dad had messed with it for an hour or so the day before... the next day he left town and after i spent 15 minutes or so dinking aroud it ran and idled fine. (of course if u ask him he got it close for me.) ( ;

Mar 23, 2009 | 1971 Suzuki T 350

1 Answer


Hi and welcome to FixYa,

Two possible reasons:
  • faulty throttle cable. There should be a spring like feel when throttling/revving the bike. If none, then either the cable is broken or the lock has been dislodged from its hooking point between the carbs;
  • vacuum leak. Another indication of a vacuum leak is relatively high idling RPM even when the choke is in normal position. Vacuum leaks could be caused by a cracked rubber connector from the carbs to the intake port, a loose/crack vacuum line or missing carb balancer rubber cap/cross-over.
Good luck and thank you for using FixYa.

Feb 22, 2009 | 1998 Suzuki GSX-R 750 W

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