Question about 1997 Yamaha XV 535 Virago DX

1 Answer

Test cdi box

Hi,the sons 535 only sparks on front pot. fitted new rear coil ,,same,, swapped coil wires ,,rear pot sparks, non on front,,test light on grey and orange wires at tci, grey makes bulb glow and orange makes it really bright, earthed on cylinder, swapping wires on coils I believe both coils, leads, caps and plugs ok as sparks ok from original coil Read up on T;net and earthed battery to frame. earth cable under tank sorted,put earth on black at block with grey and orange coil wires, had side stand up/down clutch lever cabled to bar,switches on bars operated but still no spark on rear pot. any ideas or shall I break it,,,please..

Posted by Anonymous on

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  • Yamaha Master
  • 44,683 Answers

Hi, Anonymous 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 electronic control module or CDI box.
7. Faulty CKP, CMP, or BAS sensor.
8. Faulty ignition switch.
9. Tilt sensor needs a reset.
10. Security alarm failing to disarm needs reset
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Probable Solution to the Firing on One Cylinder Issue 50MPH at WOT No More
https://groups.google.com/forum/#!topic/rec.motorcycles.tech/BxBKbi9w2k4
Yamaha XV 535 DX Virago Service Manual
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-16_110.pdf

Posted on Jul 06, 2016

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Posted on May 03, 2010

searcher1974
  • 229 Answers

SOURCE: Yz 125 no voltage when coil or spark plug is earthed???

If you are "earthing" it to aluminum,..it will not spark.Use an inline spark tester.

Posted on Sep 25, 2012

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Many thanks wiz...battery good/used my zzr battery.same thing still wont spark..how do i test coils/ igniters...wife fed up with bike in conservatory...?


did the bike stop when riding?
if you have no spark to both cylinders it will be the CDI box , pick up coils or wiring
If you can give me more details on how/when this problem happened i can help more
if you get a small voltage(1-2v)from you pick-up coil then this should be ok,CDI requires to test your supply to it ie:12v etc and your voltage from pick-up and obviously supply out.If you have these voltages coming in and nothing out then your unit is U/S but one thing to make sure of is that you kill switch wire is not earthed out at the unit.

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Jul 05, 2009 | 1988 Yamaha XV 535 Virago DX

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