Question about 2000 Suzuki GSX-R 750
Bought a new battery charged it to full voltage (12.7vdc) and will turn over just wont start. I checked all spark plugs they look brand new. I inspected all connections under gas tank and airbox and everything looks untouched and brand new. the bike has 5009 miles on it. When i turn the key into the on position i heaer the fuel pump prime. everything seems to be the way it should execpt it wont start i desperately need any type of help i just wanna ride this baby. Thanks for your time ~Jordan
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Posted on Jan 02, 2017
Yes, a dirty Carburetor can stop the engine from running.
Drain the carburetors. There should be a screw on the lower side of each CARB float bowl. Remove the screw then replace it after the fuel drains. Is there any water in the gas? Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, (not all bikes have a water trap bowl). Turn the gas back on and wait a minute for the carbs to fill with gas. Try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetors from the engine.
FOR EACH CARB > Remove the float bowl and clean the entire Carb with a spray Carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the Carb.
FOR NO SPARK > Check the fuses. Next, check for spark but with a new spark plug. How good is the battery? Is the kill switch on? Does the side stand have a kill switch? Is it working properly? Tip-over kill switch on your bike? Check the operation of the ignition switch and all kill switches with a volt ohmmeter.
Check the wiring harness. Did a wire come unplugged? Are all wires clean and with solid connections? Any abraded or pinched wires? Is the bike in neutral and the neutral light is lit up? If no neutral light, check the neutral switch and neutral switch wire on center casing. If still no spark, get CDI system and coils checked at the dealers shop.
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Posted on Apr 14, 2009
SOURCE: bike wont start
I would check for compression on the cylinders. a engine has to have fuel,fire and compression or it wont run. Check the specs to get the operable compression levels.
Posted on May 27, 2009
You cannot bleed the fuel injection system.Test the pump alone (not on the bike) for sufficient fuel supply.Also check the fuel pump relay.
If all that is ok next time you try to crank the engine (only with kill switch on, the fuel pump primes up) with lifted tank and opened air box, spray a bit of carb cleaner spray towards the throttle bodies.It will help.
Posted on Jun 09, 2009
Yellow and red wires should be your power wires, the others should be ground. Check for both. You may need to turn it over a few times to get the pump to prime.
Posted on Jun 10, 2009
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There are some possibilities which you will have to check in this case:--
1) First of all check the power and voltage to the battery. With meter it will show exact 12 volt if the battery is charged. If the voltage is less get the battery charged at local auto repair shop. If the battery is internally drained and not getting charged then its time to replace the battery.
2) When you crank the car do you see spark coming at the spark plug? If no then its time to check the spark plugs and coil pack. If the spark plugs are not worn out and looks new then its time to check coil pack. The spark plug gets power to spark from coil pack.
3) The other thing to check in this case is the starter solenoid of the car. If the battery is charged and you start the car then it gives power to the starter to start the car. But if starter is faulty or not connected properly then car will not start.
4) The other thing to check in this case is fuel in the car. If there is fuel in the car then check the blockages in the fuel pump if the fuel pump looks proper then check the fuel filter above the fuel pump.
5) If all the above possibilities mentioned above checked out OK/perfect then it's a electrical issue and the wiring's in the car needs to be checked. The car gets power from the battery to get started. so the wires from battery needs to be checked one by one.
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