Question about 1991 Yamaha FZR 1000

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I bought a 1991 Yamaha fzr 1000 and the wiring is a little cut up but im not getting spark and the pick up coil is black and grey wires two of them one b lack one grey with a clip on end of it and I c

Pulled plug wire and spark plug to see if I was getting spark and answer was no

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  • Contributor
  • 23 Answers

Test light to battery positive, check for signal to coil (flickering) if not suspect faulty stator.

Posted on Nov 26, 2014

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Posted on Jan 02, 2017

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SOURCE: stating pro

I hate to tell you this but, if the bike sat for a year with gas in it after the carb work, it'll likely need another carb cleaning. Crying or Very sad Over time, gas in the carbs turns to varnish and gum which clogs up the passages. What makes you think the starter is not working right, Kar? Does it sound funny, or what? About the compression test, you'll need a compression gauge - most automotive parts retailers have them. It's a small gauge with a flexible hose that you screw into the spark plug hole.

Posted on Nov 10, 2008

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SOURCE: 1991 fzr 600 no spark

you dont need your clutch to start the bike in neutral, the only wire goin near your clutch should be for your horn. the clutch is cable activated on the fzr, if you have no spark check your basics, fuse's relays and such. on the fzr there is two sets of fuses the four under your seat and then relays and one single fuse under the back plastic (left hand side if sitting on the bike). then the next easiest would be to check your wire's they need tune up's just like cars. other than that you are basically left with the digital ignitor or your coils, if you have power goin to your coils what about after them ??? Also the kickstand safety is only when the bike is put into gear it will shut off the bike if stand is down.

Posted on Apr 15, 2009

bonedivers
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SOURCE: im working on a 1996 535 yamaha virago. when i

Do you hear spark arcing on both? If so might be norm.

Posted on Jul 22, 2009

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SOURCE: 1983 yamaha xj 650 no spark already changed the

  • Do you see spark? If not, check the side stand kill switch. It kills the engine so that you don’t start out with the side stand down. If broken or out of adjustment, it would kill the spark. Check for a broken wire at the side stand switch and coupler. Try moving the side stand kill switch by hand. If that doesn’t work then wire a jumper around the switch to bypass it.
  • Is the handlebar kill switch on? Is it shorted out?
  • Are you getting power to the coils?
  • Check the fuses. How good is the battery? Try a jump start from your car battery.
  • Check the operation of the ignition switch and all kill switches with a volt ohmmeter. Check the wiring harness. Did a wire come unplugged? Are all wires clean and with solid connections? Any abraded or pinched wires? Is the bike in neutral and the neutral light is lit up? If no neutral light, check the neutral switch and neutral switch wire on center or side casing. If still no spark, get CDI system and coils checked at the dealers shop.

Posted on Aug 06, 2009

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SOURCE: my 1991 yamaha fzr 600 wont start

how long did you let it sit for with gas in the carbs, you may have clogged up your jets. after awile gas will break down and turn into varnish, if your bike trys to push the varnish through the system it will clog the jets. try to take off your seat then remove your plastic over the gas tank. remove the gas tank and you will see four bowls *silver ones right next to where the gas tank is on the carbs*. your bowls are in sets of two. there are drain screws on the bowls to remove the gas inside. remove the 16 screws holding the bowl onto the carb. *4 on each* inside you will see your floats and jets. carefully loosen the jets with a screw driver then finish unscrewing them by hand, they are brass and very soft. you should be able to hold up the jets to the light and see a small pin hole. if not get some carb cleaner and give them a squirt and blow them out. do not try to use anything to clean them out, they are very very sensitive and one knick will change the jet. after that i would spray some carb cleaner up the jet holes and try to clean them out also. if you have a compressor it would be wise to use that to blow out the gunk from the jet holes as well. after you run threw all 8 jets put them back together and see how it goes, if nothing you may have to check the jets again and if clogged again your carbs are gunked up and will need to be cleaned

Posted on Aug 12, 2009

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1 Answer

Just picked up a 94 FZR 1000 theft recovery.Its getting no spark.I noticed kickstand safety switch dangling.Can i bypass?


Hi, Anonymous and the usual suspects are:
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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.
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Feb 02, 2012 | 1992 Yamaha FZR 1000

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What is the procedure to remove the plugs in a 1991 Yamaha fzr 1000


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Aug 22, 2011 | 1991 Yamaha FZR 1000

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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

I got fzr 600 91 the left and right spark got power but not the middle ones what could be going on


The outside cylnders run off one coil and the inside two run off another coil, so there is a problem with a wire off or coil failed. if you swap the input wires on the two coils and the same coil doesnt spark it is definately that coil.

if you have a multi meter,
check the primary resistance on both coils around 2 ohms.
and secondary resistance between the two plug leads with the caps removed about 15 ohms, these figures are aproximate but you are looking for a different reading in the coil that doesnt work.
The black box is likely ok because one coil sparks. The other check would be the pick up coils which will be around 400ohms.


Make sure when you check for spark that a plug is in the plug cap and it is grounded to the engine or this can build up current in the coil and damage it

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