Question about 1985 Yamaha XJ 700 X Maxim

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Does the tci unit on a Yamaha xj700 produce voltage to the coil

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Be more explicit.

Posted on Oct 21, 2013

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Posted on Jan 02, 2017

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SOURCE: on a yamaha xj700 1985 i need to know wire colors

The service manual has a wiring diagram, but you will need to zoom in to read the colors.
You can download a free one at
http://www.yamaha-motor-europe.com/community/service/manuals.jsp
Good luck!

Posted on Nov 21, 2009

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Hi, Courtney for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. 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.
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EF1000. Where can I get a circuit diagram?


they are avaible on the internet , Babbitts Yamaha Parts house has all parts online

Sep 22, 2015 | Yamaha Electrical Supplies

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I have a first generation 83 yamaha venture 1200 v 4 i have power to only 3 of the ignition coils the fourth coil has tested good by taking #3 lead and plugging into #4 coil. any ideas on what part to...


Okay...when you say power to the coil...I think you mean getting a spark on the plug wire?

All 4 coils should have battery voltage on the red/white wire to each coil. The second wire returns to the igniter (TCI....ignition black box) and it switches that wire off and on to ground to cause the coils to fire. If all 4 test good...then
Check out the TCI, the large box mounted on the coil rack that the connectors are clean.
Now remove the 6 wire connector from the TCI...and test the resistance of the pickup coils which are located under the left crankcase cover beside the stator coil.
you will be testing the following wire pairs on the 6 wire connector
Orange-Black
White/Red-Black
Gray-Black
White/Green-Black
You should see at ambient engine temp...about 110 ohms resistance on all 4 pairs.....if one pair is showing no resistance...you need to test at the lower 5 wire connector just below the seat left side with the same 5 colors....unhook and test....if still having one bad test...pickup coils may be bad.

Apr 10, 2011 | Yamaha Royal Star Venture Motorcycles

1 Answer

Stalls, loss of one or more cylinders. Now in shop first $700 to clean carburators and now second $700 to replace an electrical part because of the stalling. Is this crazy?


okay...these are general to Yamaha igniter systems...
so bike is in neutral...shows neutral, kill switch on...
Test each plug cap with a new spark plug...if one or more getting no spark....
Unhook the pickup coil harness and test the resistance (the P U coils located in left front crankcase cover with stator. If resistance tests out fine, ensure the connector is clean and connect.
Now test that both ignition coil packs primary and secondary resistances are within spec.
Verify the ignition coil packs are getting battery voltage to the primary terminal (often a red/white wire).
Ensure the igniter (the ignition black box) also called TCI is getting battery voltage on its supply.
Ensure all connectors clean to TCI.
The only other issue may be the interlocks are trying to shut down ignition....typically a black/white wire from the igniter goes to sidestand relay, tip over switch....both shut down ignition by grounding the control side of the TCI...could be they are partially grounding allowing minimal ignition.

Apr 02, 2011 | 2005 Yamaha V-Max

1 Answer

Only getting fire out of one coil


okay...these are general to Yamaha igniter systems...
so bike is in neutral...shows neutral, kill switch on...
Test each plug cap with a new spark plug...if one or more getting no spark....
Unhook the pickup coil harness and test the resistance (the P U coils located in left front crankcase cover with stator. If resistance tests out fine, ensure the connector is clean and connect.
Now test that both ignition coil packs primary and secondary resistances are within spec.
Verify the ignition coil packs are getting battery voltage to the primary terminal (often a red/white wire).
Ensure the igniter (the ignition black box) also called TCI is getting battery voltage on its supply.
Ensure all connectors clean to TCI.
The only other issue may be the interlocks are trying to shut down ignition....typically a black/white wire from the igniter goes to sidestand relay, tip over switch....both shut down ignition by grounding the control side of the TCI...could be they are partially grounding allowing minimal ignition..

Apr 02, 2011 | Yamaha YX 600 Radian Motorcycles

2 Answers

It not geting any spark new coils also


I would test the plug wires and plugs first to make sure the fire from the coils is actually reaching the plugs. Then check the ignition switch to make sure your getting a complete circuit. IF this si not the problem, have your stator checked. It is the piece that goes around the crankshaft, and produces electricity for the bikes systems. If you need additional insight, provide additional information, and I will try to help you further. Thank you for calling on FixYa.com.

Apr 13, 2010 | 1982 Yamaha XJ 650

1 Answer

Theres no spark


Hi and welcome to FixYa,

A couple of initial checks using a voltmeter:
  • IGN + 12VDC on the red/white wires going to the ignition coils and the TCI;
  • pulsating voltage on the orange and gray wires coming from the TCI going to the ignition coils when starting;
  • ensure that the black wire is tied to the ground;
  • low pulsating voltage between orange & black and the gray & black coming from the pick-up cil connector going to the TCI when starting.

Postback results of tests.

Good luck and thank you for asking FixYa. Happy Holidays.

Dec 16, 2009 | 1985 Yamaha XJ 700 S Maxim

1 Answer

On a yamaha xj700 1985 i need to know wire colors and position for the tci unit there are 4 prong but only 3 wires hook up.the colors are orange,black


The service manual has a wiring diagram, but you will need to zoom in to read the colors.
You can download a free one at
http://www.yamaha-motor-europe.com/community/service/manuals.jsp
Good luck!

Oct 26, 2009 | 1985 Yamaha XJ 700 S Maxim

2 Answers

No spark on 1980 yamaha xj650


Has the fuse block been upgraded? I'd check there first. If so I'd check stop/run switch. Then check the pickup coils at the TCI, Check the Coils at the TCI, Check coils, check plug caps. Also check connections at the coils.

Hope this helps!

Sep 14, 2009 | 1980 Yamaha XJ 650

1 Answer

Have an 84 yamaha venture 1200 with no spark on the rear cylinders? need to know how to test what is wrong and what to look for. Can't find a 1984 yamaha Venture royal in the markings for Yamaha


Hello Mike...If the rear cylinders aren't firing I would start by checking for defective plug wires. Visual, for cracks and with an ohm meter for resistance. Test your coils, same principal, test to see if their is power to the coils. Your bike has a TCI box thats located in a not so good spot....that really takes abuse. This is "brain" a circuit board. It gets hot, cools down, and moisture inside is the result, over the years it finally gives up. The voltage to the coils travels through the TCI. If you aren't getting 12 volts, then corrosion, faulty circuit, leaking capicitors inside the "box" are at fault. I have heard of some riders opening the TCI, letting the sun dry it out and remounting in a different location, I have replaced several, on the early viragos. They have been discontinued. i found several on ebay, also i know a biker that can repair solder these, if needed.

May 12, 2009 | kawasaki KLR 250 Motorcycles

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