Question about 1998 kawasaki KLX 300

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1998 Kawasaki KLX 300 won't start.

My kickstart wouldn't work, it turned the motor over but wouldn't start the bike. took it to the shop. had valves adjusted and the mechanic said it had 135 lb psi compression. hasn't bees ran in 10 months. took off carb cleaned it out best I could. and I still can't get it started with the kickstart. not sure what to do @

Posted by Anonymous on

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2 Answers

ItzPerfect Bos

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You cant check the compression on those bikes due to the compression release on the exhaust cam. 75psi is ok. 64 to 125 psi due to the fluctuation caused by the release mechanism. Please dont say things that aint true. People that need help may tear down a goid engine due to your bad advice.

Posted on Apr 01, 2019

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  • kawasaki Master
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Hi, Anonymous 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 choke.
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. Fuel injectors stuck open.
13. Quick disconnect check ball stuck.
14. Compression below 75 PSI.
15. A stuck-bent-burnt valve.
16. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a cursory reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead-acid batteries.
17. 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.
18. Loose or corroded wire connection at the coil or plug between ignition sensor and ECM module.
19. Spark plug cables in bad condition and shorting check for spark leakage in the dark, cable connections are loose or connected to the wrong cylinders.
20. Ignition timing incorrect due to a faulty ignition coil, ignition module or MAP, CMP, CKP, O2, TPS, ETP, IAC sensors.
21. Faulty neutral, clutch, kickstand safety switch.
22. Faulty fuel pump or fuse or relay.
23. Faulty or corroded run/stop switch.
24. Tilt sensor needs a reset.
25. Security system not disarming alarm needs a reset.
26. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Posted on Dec 30, 2017

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5 Related Answers

Anonymous

  • 12 Answers

SOURCE: kawasaki kmx 125 2002 wont start

To me I want to know how old that gas is. If it smells like old paint or stale at all you need to rid the complete system. Then you need to take your carb. off and take it apart and clean it and all the jets, since you said there was sand in the gas tank.

Posted on Jan 05, 2009

Anonymous

  • 126 Answers

SOURCE: klx 110 2006 stalls when choke is pushed in

i'd say the carb is gummed up especially the pilot jet (#16158) in this pic of the USA carb. may have to remove the carb & bowl and then remove the pilot jet (w/ flat head screw driver) and clean out the tiny holes.

http://partsfinder.onlinemicrofiche.com/atlanticcycleandpower/Kawasaki_OEM/KawasakiDB.asp?Type=18&A=39&B=17&Action=O

-OR-

the carb slide is installed backwards (turned 180 degrees). its #16025 in the pic. i've done this before on my daughter's XR70 and Z50. you'll know if its this when you move the choke lever, RPMs increase and decrease.

hope this worked for you and was fast enough.

Posted on Feb 06, 2009

Anonymous

  • 1 Answer

SOURCE: zzr 600 carb probs

The fuel tanks are common to rust through, maybe that is where the dirt is from.

Posted on Apr 16, 2009

co7196

Ned C Cook

  • 3433 Answers

SOURCE: kick start has no compression but runs fine once i get it going

Does it feel like yhe kick is even engaging and turning the crankshaft? Are you full stroking/kicking it over or short stroking it? when cold, are you using the choke. I suggest taking a compression test when it feels as if it hs no compression It could be undersized piston, rings, or a simple. good luck

Posted on Jun 12, 2009

Anonymous

  • 1 Answer

SOURCE: Carb needs cleaning

Hey this link might help, lots of pictures in case its your first time. http://www.kawiforums.com/zzr600-zx-6r-old-school/104220-cleaning-carbs-your-old-school-6r-complete-writeup-w-pics.html

Posted on Jul 29, 2009

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Hi, Bevanlock 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 choke.
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. Fuel injectors stuck open.
13. Quick disconnect check ball stuck.
14. Compression below 75 PSI.
15. A stuck-bent-burnt valve.
16. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a cursory reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead-acid batteries.
17. 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.
18. Loose or corroded wire connection at the coil or plug between ignition sensor and ECM module.
19. Spark plug cables in bad condition and shorting check for spark leakage in the dark, cable connections are loose or connected to the wrong cylinders.
20. Ignition timing incorrect due to a faulty ignition coil, ignition module or MAP, CMP, CKP, O2, TPS, ETP, IAC sensors.
21. Faulty neutral, clutch, kickstand safety switch.
22. Faulty fuel pump or fuse or relay.
23. Faulty or corroded run/stop switch.
24. Tilt sensor needs a reset.
25. Security system not disarming alarm needs a reset.
26. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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