Idling issue (79 kz400)

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21 Feb 2011 15:12 #432492 by Patton
Replied by Patton on topic Idling issue (79 kz400)
No eBay APP ID and/or Cert ID defined in Kunena configuration

1973 Z1
KZ900 LTD

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21 Feb 2011 19:56 #432582 by treitz
Replied by treitz on topic Idling issue (79 kz400)
Cheapest I saw them online was $11 for 2 which is really good considering local dealer is $13 for ONE. Will order them soon. Currently I have it holding gas. For how long? I dunno.

On the plus side, I think I got this idle issues nailed down. I think my throttle cable was just sticking. I rerouted it and tweaked it for a while. Unfortunately there is a little more "play" in then there probably should be, but at least it's not revving like it was.

New video.

Don't mind it dying at the end. I had the idle a little to low I believe.

s629.photobucket.com/albums/uu13/treitz2...current=d474a0d1.mp4

<embed width="600" height="361" type="application/x-shockwave-flash" allowFullscreen="true" allowNetworking="all" wmode="transparent" src=" static.photobucket.com/player.swf " flashvars="file=http%3A%2F%2Fvid629.photobucket.com%2Falbums%2Fuu13%2Ftreitz28%2Fd474a0d1.mp4">

1979 KZ400 - 2-1 Manifold - Mikuni VM34

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27 Feb 2011 10:22 #433743 by treitz
Replied by treitz on topic Idling issue (79 kz400)
Update... I opened up my throttle handle today and the push cable was a little frayed, keeping the throttle from freely moving.

So I pulled the push cable off and it's snapping back fine now. I will keep my eye for a replacement for safety reasons.

However, the idle is still still soaring a bit. It doesn't want to idle consistently much lower than 2k and when I rev beyond 3k it quickly returns to 3k than slowly returns to 2k.

I have adjusted the pilot screws from tight to completely out and though they make a difference, even at almost all the way out it is still doing what I described above.

What should I check next? Pilot jet, float height, timing.. ??

1979 KZ400 - 2-1 Manifold - Mikuni VM34

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  • Rainman
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  • and a little Kaw shall lead them
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27 Feb 2011 11:36 #433759 by Rainman
Replied by Rainman on topic Idling issue (79 kz400)
treitz, check the diaphrams for cracks or holes.

Good luck,
Jim

80 KZ750 H1 - the Kaw calf
79 KZ750 Twin - Miss Nov 2008 KZR calander
79 KZ750 Twin parts bike
78 KZ650 C2 Parts Bike
75 KZ400 Wife's old bike sold
81 KZ440 A2 LTD Wife's new bike
84 Honda 450 Rebel Wife's newest bike
Jim
Quincy,IL

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