'81 KZ650 turning off while riding

Hey folks,

I have an '81KZ 650CSR and have been fixing a lot of electrical issues with the bike. Today I was riding and as I am heading to a stop light, I pull the clutch in, downshift into first gear and apply the brakes. When I come to a complete stop, the bike had turned off. I turned it back on and put if back in first and took off. It did it again about 10 minutes later with a similar situation. When taking off each time, the bike seemed like it was puttering some and definitely did not feel right.

Thoughts on what It might be?

Check your wiring going into the headlight bucket or under the tank for shorts or rubbed wires.
Mark

Take a good look at the fuses too, these older glass tubed fuses can act like an on-off switch. That's why most riders are replacing them with the car "Blade Style" fuse.

Fuse And Fuse Holder Designations

1. The older Kawasaki’s use a glass tubed fuse with the designation of AGX 1” long. Most good auto parts stores can get them for you. They are ¼” in diameter.

2. The more common AGC is 1 ¼” long and may not fit the smaller fuse clips. Again, ¼” in diameter.

3. To clean and polish the fuse clips, I use a cotton swab(Q- Tip) and some Brasso metal cleaner or Turtle Wax Chrome Polish. I suppose any good metal polish would work.

4. These fuses can fail internally but look good, only by using a multimeter to check for voltage going through the fuse, or when the fuse is removed for physical inspection for tight end caps & continuity checks,can it be determined if it’s serviceable.

5. Most modern motorcycles are now using the automobile “Blade” style fuse with the designation of ATC or ATO.

6. The reduced sized “Mini” Blade style fuse holder uses the ATM size of fuses.

7. If the fuse and fuse holder overheat, it could soften or anneal the grip of the clip, it might require squeezing the clip to restore the tightness.

8. A list of where to purchase “Blade” style fuses and holders:

www.waytekwire.com order.waytekwire.com/productdetail2/M50/...20%20%20%208%20FUSE/

www.rallylights.com www.rallylights.com/detail.aspx?ID=765

www.delcity.net/store/6!way-fuse-blocks/p_10822.a_1

www.easternbeaver.com/Main/Elec__Product...ers/fuseholders.html

www.autowiringsolutions.com/item.php?item_id=251&category_id=89 (ATO/ATC Fuse Holder)


9. A source for the glass tubed AGX fuses:
www.boatownerswarehouse.com/browse.cfm/2,4986.html

www.napaonline.com/Catalog/Result.aspx?N...&D=AGX&Dk=1&Dp=3&N=0

If not already done, could try increasing the idle speed. And pilot screws may also require adjusting.

And assure valve clearances are within specs, because too tight valves can result in the reported issues.

Good Fortune!

Thanks for the information. I am going to work on this tomorrow and will get back to you.

I've got the same exact problem you have I also have a 81 csr. If you find out what's wrong let me know I'm looking into mine when I have time

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