Question about 1995 Yamaha FZR 600

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2002 Yamaha 600 runs when cold but dies when warmed up and hot just put a new battery in.

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  • Anonymous Mar 24, 2009

    Started as a #2 cylinder not firing causing just power loss. Fixed the plug and ran perfect for about 50 miles. then started loosing all power and dying once it warms up, checked exhaust wih a heat gun again and now it looks like the #4 cylinder is not firing???



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  • Yamaha Master
  • 44,633 Answers

Hi, Towman1955 the following applies to carbureted also fuel injected models and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Air/fuel mixture ***** improperly adjusted.
10. Water or dirt in the fuel system, carburetor or filter.
11. Restricted, blocked or kinked fuel line.
12. Fuel tank empty.
13. Gas cap is not venting properly or fuel tank venting system blocked.
14. A failed fuel pump, pressure regulator and or fuel injectors.
15. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
16. Needle and seat stuck closed in the float bowl.
For more information about your issue and valuable "FREE" downloads that you need please click on the links below. Good luck and have a nice day.
Please Help Bike died out while riding
OEM parts for Yamaha

Posted on Apr 04, 2016


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Posted on Jan 02, 2017

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SOURCE: battery dies

Try taking off the side cover on the motor...It has 4 or 5 screws in it. A wire will lead to the cover if your not sure which side one side has the clutch which has oil in it which your clutch cord runs too and the other side is where your coils and brushes are. Remove the cover and clean the inside with a wire brush gentle to remove any build up or rust. This may fix problem. Or buy a volt-meter and at sears and put on the wires and test...should read a little above what the battery is if its 6Volts you should read 6.5 or 7 Volts. Good Luck!

Posted on Sep 15, 2009

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SOURCE: 2002 Big Bear 400. Dies after a few seconds upon startup

sounds to me the valves are not properly adjusted, their to tight,...i had run into this in a japanese car once,...check it out and let me know,.....cracklin joe

Posted on Jan 10, 2010

  • 224 Answers

SOURCE: I have a 1992 yamaha xj 600 seca 2 i can charger

most likely needs a new stator. but could also be a regulator/rectifier problem.

Posted on May 10, 2010

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Is 20w50 yamalube a good choice of oil for my 1993 fzr 600. I was told by a Yamaha dealer this oil was recomended for this bike but it seems a little thick. Just looking for a second apinion.

Hot climate, warm weather, long distance riding 20w-50 is a great choice. Cold climate 10w-40 might work better. Use only a JASO MA certified motorcycle oil . Synthetics will help your bike run cooler and shift easier.

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I have a 1992 yamaha xj 600 seca 2 i can charger

most likely needs a new stator. but could also be a regulator/rectifier problem.

May 04, 2010 | 1992 Yamaha XJ 600 Diversion S

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2002 Big Bear 400. Dies after a few seconds upon startup

sounds to me the valves are not properly adjusted, their to tight,...i had run into this in a japanese car once,...check it out and let me know,.....cracklin joe

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Finding neutral

This is usually down to clutch adjustment.If the bike shifts into neutral at stand still but doesn't when hot then your clutch cable needs adjusting so you have 1/8th of an inch freeplay at the lever. Also try running on a 20/50 oil as these bikes weren't designed to run on synthetic oils( clutch slip ) Also warm the bike up properly before a ride , don't tear off with the engine cold. Happy riding.

Sep 03, 2009 | 2003 Yamaha TT 600 R

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If battery is running down. The engine may not be charging the battery. Check charging system. If running on battery, the bike will run fine for awhile then die as the battery can no longer provide spark to the engine. If charging system is less than 13.0 volts could be a ad stator or regulator. Make sure the battery posts are clean, a bad ground can cause problems too.

Apr 30, 2009 | 2000 Yamaha YZF-R6

1 Answer

'xj600s (1995) cuts out when warm

air gap on electronic ignition or tdi unit or carbs want cleaning

Apr 01, 2009 | 1994 Yamaha XJ 600 Diversion S

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