Question about 2003 Suzuki GSX-R 1000
Hi Shauna792003, and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition and leaking.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil, module, and or sensor.
5. Battery nearly discharged.
6. Damaged wire or loose/broken connections at battery terminals/cables, especially the "NEGATIVE" cable at both ends, ignition coil, or plug between ignition sensor and module.
7. Intake air leak.
8. Water, dirt, or rust in the fuel system, carburetor and/or filter.
9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor.
12. Loose, dirty, or corroded ignition module connector at crankcase.
13. Faulty MAP, CKP, and/or CMP sensors.
14. Incorrect valve timing.
15. Weak or broken valve springs.
16. Damaged intake or exhaust valve.
For more specific information about your issue, please visit the websites below. Good luck and have nice a day.
2003 Suzuki Motorcycle Service Repair Workshop Manuals
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Posted on Oct 03, 2015
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Posted on Jan 02, 2017
There may not be an in-line fuel filter on the bike. Most bikes don't come with them. Yes, the fuel petcock has two screen filters on one pipe and they can get clogged up. Remove the tank then remove the petcock and clean it. The gas in the tank should be dumped into a clear plastic storage bin so that you can see if there is any water in the gas as well as rust and trash. Your bike is 15 years old and the inside of the tank may be rusty. If so, Google “ kreem fuel tank liner “ or go to
This will end the rust problem. Go ahead an install an in-line fuel filter. There is a drain plug on the lower left side of each carb. Drain each carb into a clear container and look for water and trash. You may need to clean the carbs but hold off to see if the other stuff fixes the problem.
Go to the site below where you can see a parts diagram for your specific bike. You will select the actual 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.
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Posted on Jun 04, 2009
While pulling up on choke see if there is anyone movement at carbs. If not then choke cable is broken. One final test 1st. Find air intke. It should be under your seat. If you have aftermarket K$N filters or similar then it become more complicated. If you have an air box, place hand over hole and bike should idle faster. Same principal with aftermrket but harder to do, Zip Lock bags or grocery bags if Zip lock are to small should achieve same effect.
Posted on Oct 10, 2009
Make sure your air filter is clean, check the fuel filter and tank for contaminants.
More off the wall , the rev limiter may be faulty, is it a certain speed or a given rev range that causes the shutdown?
Look at the air filter first!!
Good Luck, Marshall
Posted on Apr 29, 2010
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