Question about 1991 Yamaha FZR 600

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Hi i have a 1991 fzr 600 and i have put in new spark plugs and leads but still at any low rev under 4000rpm the motorbike misses can any 1 help me with this problem

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Did you upgrade plugs/wires? if so you need a tune up. if not then the electrical soilnoid box may be your problem.

Posted on Jun 22, 2009

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94 yamaha fzr 1000 was running fine, went to start it an it would start run on choke but cut out as soon as the choke was closed, definetly getting petrol as far as the carbs an getting spark, wud the...


Hi, Anonymous and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Float needle and seat sticking.
5. Float level too low.
6. Carburetor bowl vent line clogged/blocked/pinched.
7. Idle adjusting ***** set too low.
8. Air/fuel mixture ***** set too lean.
9. Idle port, transfer ports, slow air jet clogged.
10. Slow fuel jet clogged.
For more information about your issue and valuable free downloads that you will need please visit the websites below. Good luck and have a nice day.
FZR 600 post storage idle stall issue The FZR Forum
View topic FZR 600 carbs only runs with choke on Help
Exup1000 co uk Tech FZR1000R
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Feb 26, 2013 | 1991 Yamaha FZR 600

1 Answer

My 1991 FZR600 is only firing on cylinders 1 and 2


Hi, Steve_laught and the usual suspects are:
1. Fouled spark plugs.
2. Discharged battery, 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.
3. Loose connection at ignition coil or plug between ignition sensor and module.
4. Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose.
5. Faulty ignition coil or ignition / electronic module
6. Failed CKP, CMP, or BAS sensor.
7. Faulty ignition switch.
8. Security alarm failing to disarm needs reset
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
fzr firing issue The FZR Forum
FZR 600 cylinder 4 not firing Problem solved
https://www.tradebit.com/filedetail.php/269137237-yamaha-fzr600-1989-1999-factory-service-repair-manual
OEM parts for Yamaha
http://www.fzrarchives.com/fzr600/600_manual/1999fzr600r.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Aug 31, 2012 | 1991 Yamaha FZR 600

1 Answer

My 1989 FZR 1000 wont start no spark


Hi, Truckme and the usual suspects are:
1. Fouled spark plugs.
2. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
3. 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.
4. Loose connection at ignition coil or plug between ignition sensor and module.
5. Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose.
6. Faulty ignition coil or ignition / electronic module
7. Failed CKP, CMP, or BAS sensor.
8. Faulty ignition switch.
9. Security alarm failing to disarm needs reset
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below.. Good luck and have a nice day.
View topic FZR 600 no spark
Pickup Coil for 1995 FZR 600 No Spark The FZR Forum
https://www.tradebit.com/filedetail.php/2864660-yamaha-fzr-600-service-repair-manual-pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Mar 06, 2012 | 1989 Yamaha FZR 600

1 Answer

What would cause my 1991 yamaha fzr 600 to idle at 3500? Could it be the cdi box?


Hi, Bsb6482 and the usual suspects are:
1. Throttle cables improperly adjusted or pinched.
2. Idle adjusting ***** needs to be backed off.
3. Intake system air leak.
4. Fast idle choke ramp is not releasing.
5. Broken throttle return spring.
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
View topic High Idle after running
YZF600R Idle Problem Rev Problem
https://www.tradebit.com/filedetail.php/2864660-yamaha-fzr-600-service-repair-manual-pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


Feb 22, 2012 | 1991 Yamaha FZR 600

1 Answer

2000 Kawasaki ZZR 600 will not rev past 9,000 RPM


Hi, Andrew and the usual suspects are:
1. Installation of a different camshaft.
2. Different exhaust system or "STRAIGHT PIPES"
3. Faulty advance curve.
4. Multiple carburetors not in sync.
5. Improperly installed jet kit or wrong kit.
6. Carburetor internal malfunction.
7. Fuel mixture too rich.
8. Fuel mixture too lean.
9. Extremely dirty air filter.
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.
http://www.kawasakimotorcycle.org/forum/mechanics-corner/137963-zzr600-will-not-rev-over-4000rpm.html
bike will not rev past 8k like hitting the rev limiter
Kawasaki 2000 2002 ZX600J and 2005 2008 ZZR600 Service Repair Factory... $17
OEM Parts for Kawasaki
Kawasaki Ninja Owners Manuals

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Oct 24, 2011 | 2000 kawasaki ZZR 600

1 Answer

I have a 1990 yamaha fzr 600 that doesn't idle good when its cold and if its sits and I try to take off on a hill it cuts out like its not getting enough fuel but after its running it will go up hill...


Hi, Kevin_wri799 and the usual suspects are:
1. Idle speed improperly adjusted.
2. Inlet system air leak.
3. Leaking accelerator pump.
4. Loose low-speed jet.
5. Plugged low-speed jet.
6. Contaminated or plugged low-speed circuit.
7. Enrichner valve/choke not seated or leaking.
For more information about your issue and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have a nice day.
1994 fzr idle problems The FZR Forum
YZF600R Idle Problem Rev Problem
https://www.tradebit.com/filedetail.php/2864660-yamaha-fzr-600-service-repair-manual-pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-fz-owners-manuals

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


May 24, 2011 | 1990 Yamaha FZR 600

3 Answers

Yamaha fzr 1000 exup, flat spot and then holdin back till 4000rpm. Any solutions...?


Hi,,,sounds like you have a blockage in the carbs,,,remove and clean carbs,,check spark plugs too.

Mar 22, 2011 | 1991 Yamaha FZR 1000

1 Answer

Hi, i'v got a yamaha fzr 600 3he, 89, it seems to be running rich, i'v adjusted the needles to the leanist setting but still no joy, it bogs wen pulling away so i have to rev it fairly hard, it will pick...


carefully check plug leads and caps for cracks and shorting, there can be a small resister in the cap that can burn out, check by unscrewing the small brass clip that clips it to the spark plug inside the cap

Apr 04, 2010 | 1995 Yamaha FZR 600

1 Answer

Runs poorly, feels like miss fire, sometimes runs good(rarely).


You can do a continuity test on your coils and plug caps as follows:
1:Disconnect the coil connector drom the wiring harness.
2:select (O x 1)
3:put tester + lead on red/black terminal and - lead on orange(grey)terminal.
4:Your primary coil resistance should be between 1.87~2.53O at 20C.if OK proceed to step 5.
5:Select ( ωx 1k)and check secondary coil resistance(between the two HT(plug leads)this should be between 12~18 kωat 20 C/86 F).
You can also check sparkplug cap which should be 10k.ω
This is just a basic check but I would do is remove plug lead from the offending cylinder ,take up the revs and see if the miss-fire has gone.If so swap your coils around and see if missfire occurs on the other cylinders.If not your coils are OK.
If the missfire is still now only occuring on the one cylinder then you need to do a compression test()and if OK remove carbs and check also the inlet rubber manifold(for cracks ,seating etc.)and then service them.
Once off you can also see if the butterflies are in sinc.But do these simple tests and if you have a problem come back to me.

Aug 04, 2009 | 1994 Yamaha FZR 600

1 Answer

Very hard to start 1991 yamaha fzr 600,


Check the choke to make sure its operating correctly.

Jul 27, 2009 | Yamaha FZR 600 Motorcycles

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