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I have a 85 kawasaki eliminator Zl900 that i have been running for about two months without mufflers,bike was running fantastic until one day i went to crank and she would not start,it would turn over all day but wouldnt start, if i push it down a hill and pop clutch she would fire up and go, also if i goose on tha throttle she will take it and go but if i cruise she sputters,do u think i have messed my engine up by running without mufflers or what is going on, some have told me my cdi box is bad, but other have said since i can push and pop the clutch and she starts its not the cdi box!!! Please help!!!!!

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  • kawasaki Master
  • 40,726 Answers

Hi, Big 9 and the usual suspects are:
1. Fuel tank empty.
2. The fuel tank has old dead gas.
3. Fuel tank bottom contaminated with ethanol sludge, dirt, water, rust, etc.
4. Fuel supply valve/petcock turned off.
5. Fouled spark plugs.
6. Engine flooded as a result of overuse of the enrichner.
7. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
8. Fuel valve/petcock or filter clogged.
9. Fuel line to carburetor or throttle body pinched, kinked or blocked.
10. Carburetor float stuck.
11. Fuel injectors clogged.
12. A severely discharged or damaged battery, you need 12.5 volts or better and be able to pass a load test if necessary.
13. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
14. Loose or corroded wire connection at the coil or plug between ignition sensor and ECM module.
15. Spark plug cables in bad condition and shorting check for spark leakage in the dark, cable connections loose, or connected to the wrong cylinders.
16. Ignition timing incorrect due to a faulty ignition coil, ignition module or MAP, CMP, CKP, O2, TPS, ETP, IAC sensors.
17. Faulty neutral, clutch lever, or kickstand safety switch.
18. Faulty fuel pump or fuse or relay.
19. A stuck bent or burnt valve.
20. Tilt sensor needs a reset.
21. Security system not disarming alarm needs a reset.
22. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
ZL900 won start hit and backfire only HELP
Kawasaki Eliminator 900 Electrical Worries Classic Motorcycle Repair...
Kawasaki ZL900 ZL1000 Eliminator 1985 1986 1987 Service Manual Repair... $10 cheap
OEM Parts for Kawasaki

Posted on Apr 22, 2017

6 Suggested Answers

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Posted on Jan 02, 2017

  • 26 Answers

SOURCE: Motorcycle won't start! Cranks but won't start up

does it have spark??

Posted on Jan 14, 2009

  • 3567 Answers

SOURCE: timeing a yamaha 175 enduro

Without the year of the bike I am hampered. Lets assume it is an older bike and has a set of ignition points and not a CDI model.
Pull the cover off the shifter side of the engine. Remove the spark plug then turn the flywheel so you can see the points. Oil on them? Dirt, or rust? Next check the main bearing. Do not rotate the flywheel but instead hold the flywheel firmly and lift it up and down, left and right. Was there any movement or was the flywheel rock solid?
I am willing to bet that the points were dirty and there was a lot of play in the crank bearings. If so, you will need new crank bearings and seals plus new points and condenser. The engine needs to tear down into about 75 parts in order to replace the bearings. The job requires some special tools to remove the flywheel and clutch, plus a crankcase separator the split the gearbox.
This is not a job for the beginner. I suggest you have the shop do the work and also that you spring for 3 more bearings and seals plus a fresh cylinder bore, new piston and rings and a new spark plug. You now have a brand new engine that should run well and last for many years. Please rate this solution. Thanks

Posted on Mar 18, 2009

  • 3567 Answers

SOURCE: kawasaki 300 bayou won't rev up.

No guarantees but try this. Pull the slide from the throat of the carb. Now move the clip on the jet needle down one notch. This will richen the low end mix. Two notches may be needed but do one notch at the start.

Posted on Apr 30, 2009

  • 3567 Answers

SOURCE: the engine is firing on one cylinder and when the

Clean the carb on the bad cylinder. It may have a plugged pilot jet. The bike has CV carbs. There is a chance that the offending carb may have a pin hole in the diaphragm causing one slide to open later than the other slide. This could also be the problem. With the air cleaner removed, look at both carb slides and see if they crack open at the same instant or if one is definitely later than the other. That will confirm or eliminate the diaphragm.

A top rating for this answer? Thanks!

Posted on Jun 14, 2009

  • 20 Answers

SOURCE: 1989Fzr6 3he bike/ 1995 4jh engine

does the bike have a fuel pump?what carbs are you running ?are the carbs in sync?

Posted on Oct 25, 2009

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I have an 85 Kawasaki zl900 eliminator.when taking off, you cant fully engage the clutch or it will die. It also will not go out of first gear. You have to have the choke on or it will die. Some co-wo

If the choke has to be engaged, the pilot jets are more than likely plugged. I have not found a product that will clean out these very small orifices. I always disassemble the carb, remove the jets and clean with a cutting torch tip cleaner. Note: there are several small holes on the side of the pilot jets that need to be cleaned as well, not just the center inlet hole.

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What are the Valve lash spec's for a 1985 Kawasaki ZL900 Eliminator?

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Sep 16, 2012 | 1985 kawasaki ZL 900 A1 Eliminator

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I need to find a ingnition coil for my 1985 zl900 kawasaki eliminator and i'm having trouble locating one could you please help me

Japanese bikes change things so often it gets near impossible to find direct replacments.
You may want to try (K&L Supply Co.). Back when I used them for older bikes they seemed to have a good selection of after market direct replacement parts.
You may also be able to look up OEM parts and numbers at Riva's web site (search "riva" or "riva motorcycle parts"). Its a dealer ship with a parts locater where you can view the microfishe and get part numbers.
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Thinking of buying 1985 ZL900 eliminator...with 50K miles 1. saw light rust inside the tank. is this a big problem? how can I clean it out ? 2. bike starts up and runs fine. then, stalls after driven...

Rust in the tank not a big problem, there is a product called Kreem you can buy the kit comes with bottle of rust remover and bottle of dryer and a bottle of internal sealer/coating.

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1 Answer

Zl900 eliminator starts and runs good. when i put it into gear (with the side stand up)the motor shuts down.

It sounds like the side-stand switch is not working - check for continuity across it & for any bad contacts or broken / crushed wiring also

Ride Safe

May 09, 2010 | 1985 kawasaki ZL 900 A1 Eliminator

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