Question about 2003 Suzuki RM 125

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Carb problem I have a 1989 rm125 and i am trying to get it running. it gets spark, fuel and comression. it will start with the help of starting fluid. when it starts you have to rev it or it will die. it revs really high and fast with hardly moving the throttle and it will stay at really high revs when the throttle is closed. i have taken the crab apart and cleaned it twice.

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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!

Posted on Apr 19, 2009

  • tombones May 22, 2009

    Did you find the problem?
    Go to the site below where you can see a parts diagram for your specific bike. Yes, I know the link says Yamaha. You will select the brand, year, model, etc., once you go to the site. Part numbers and prices are also shown. You can order parts from this site. In the event no price is shown on a particular part, the part is not in stock.

    http://www.babbittsonline.com/pages/part...



    Please re-rate the solution. Thanks

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Posted on Jan 02, 2017

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1973 ford f 250 new carb, and gas tank. fuel pump is less than a year old. will not start/run. acts like it is starved for gas.


Hey Dutch, have you tried anything like starting fluid to see if it will run..If it will not run, try removing the fuel line going to the carb..(does this carb have a filter in the inlet fitting???)..once the fuel line is loose.. (BE CAREFUL!) ..try starting the engine and see if fuel is pumped through the line to the carb...if you are not getting gas there.. time to work backwards until you find the problem..(does this engine have the fuel pump mounted on the side of the engine,if yes.. remember the fuel pump has to "pull" the fuel from the tank)..If you are getting fuel TO the carb.. make sure the carb is "taking" the fuel..(inlet filter).if you are getting fuel to the carb,, and it will still NOT RUN..(and won't run using "starting fluid")..its time to start looking for a timed spark..(assuming the engine has compression).. when you have done this, reply back to me on here... thanks... please mark as helpful.. Good luck..

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1 Answer

Why is my Honda GCV160 pressure washer not getting fuel?


There is obviously a blockage somewhere along the way.
The most common problem with these microcarbs is that fuel has been left for too long and has blocked the fuel jet (Or in the line before it) . Old fuel goes sludgy and then like varnish so sometimes the ONLY cure is another carb BUT nothing to lose by trying various solvents (Carbontetrachloride if you can find some)

Another 'Try' would be brake cleaner with a straw attachment (Think WD40 can) and force that into every orifice you can find.
Even WD40 may help dissolve it.
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1 Answer

On this cart, I have cleaned out carb twice. Battery good. It runs shortly then dies out. Micro switchesx4 has been replaced. Spark plug good. Gas is good and getting to carb.


Determine if it is running out of fuel or no spark.
If it stalls but will run on carb spray or starting fluid
sprayed in carb opening then the fuel has problems.
If it will not run on the starting fluid then the spark is weak
or failing due to bad wiring or coils. Once you isolate
the problem to fuel or spark then you can probe those areas.
Be sure compression is good also. 100 psi at least.

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1 Answer

Hi guys i have a 1989 ford xf falcon ute and i got a starting problem! I wants to start but everytime i touch the throttle to get it to run it dies straight away, i have checked for spark and it is really...


If you can get it to run a tad more by just spraying starter fluid into carb, then the carb needs to be cleaned, repaired, or replaced. All the spark, compression in the world will get you no where without the gas!!!!!!

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1 Answer

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Are you pulling the plug to check for wetness after cranking it a few times, WITHOUT using the starting fluid? Also, I would recommend using carb cleaner in place of the starting fluid. Starting fluid runs the engine VERY hot for a brief time and can possibly damage rings, valves, and aluminum parts.

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I have a 1989 RAM w100 with a stock 318. I'm


If you can spray carb cleaner in the carb then you have either a fuel supply problem or fuel delivery problem. Check your fuel pressure and make sure it is in spec. Then check the spray in the carb spray.

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I have an echo shred e vac blower it won't start.i cleaned the sparkplug,tested the stop switch ok,it still will not turn over,


Do you get spark? Is fuel making it's way to the carb.? If no spark need new coil, if no fuel clean carb. and rebuild.

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1 Answer

Engine will crank but will not turn over


Do this, take the top off the carb, being careful not to damage the gasket. Then take some carb cleaner and clean out the bowl and floats. Remove the needle valve and clean it out. Put it all back together and filling the bowl with carb cleaner. Start it with the starting fluid. Once you run the carb cleaner through it, it should start to run on it's own. Whatever you do don't shut it off for about 20-30 min unless you have to.

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