Kz750 E. Ignition Timing is not right.

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Re: Kz750 E. Ignition Timing is not right.

24 Jul 2015 17:27
#682572
If you can buy one on eBay for a reasonable price it would be a good idea. Even a new one. That way you'll find out just exactly where you are.
Steve

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Re: Kz750 E. Ignition Timing is not right.

24 Jul 2015 17:36
#682574
Waitin and hoping for JR or Patton, Baldy etc to confirm what I read ....... sounds like someone stuck a 900 advancer on it right guys ? Don't want you doing nothing till the experts confirm it. What do you think Swest...... sounds like you agree ?
1978 KZ650 b-2
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1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.

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Re: Kz750 E. Ignition Timing is not right.

24 Jul 2015 17:40
#682575
Got a pic of it? Might be.
Steve

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Re: Kz750 E. Ignition Timing is not right.

24 Jul 2015 17:44
#682576
Check out the pic JR took then his for the difference............then search 21148-005 advancer here on the forum and you'll see the thread Dyna S timing with the pics and the guys talking about it from many years ago.
1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.

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Re: Kz750 E. Ignition Timing is not right.

24 Jul 2015 17:46 - 24 Jul 2015 17:46
#682577
here is a close up of my advancer. could anybody tell me if the tab in the back of the advancer (the one that hooks to the pin on the engine) is positioned the same as in a 1013 advanver? if thats the case my engine is deffinetly out of timing.
this is giving me a hedache.
and BTW here is the 005 advancer found it on Z1 enterprizes. comes from a Z1....... i have no idea what the PO of this bike tried to do.
here is the link. www.z1enterprises.com/ItemDetails.aspx?i...%2F40&item=PM81-2395

The 005 is a 20/40 degrees anybody knows the advance on the 1013 (the original to the kz750Es)



Last edit: 24 Jul 2015 17:46 by matigipler.

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Re: Kz750 E. Ignition Timing is not right.

24 Jul 2015 17:49 - 24 Jul 2015 17:49
#682580
The 73 Z1 had a 5* advancer, the 74-75 had a 20*.
Steve
Last edit: 24 Jul 2015 17:49 by SWest.

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Re: Kz750 E. Ignition Timing is not right.

24 Jul 2015 18:36 - 24 Jul 2015 18:54
#682582
anybody knows the advance on the 1013 (the original to the kz750Es)

From the manual it looks like the 750 advance goes from 10 to 40 degrees. See pic of graph and table.



I'm no expert - just a rank amtatuer - but it does seem like you have the wrong advancer, one meant for a Z1 like the guys above found
Sorry to say but any search I did for the 1013 part said no longer available so ebay might be your best bet.
Also sorry to say that I know absolutely nothing about Dyna systems and hope someone else can provide you with an answer as tio whether you need the original advancer.
could anybody tell me if the tab in the back of the advancer (the one that hooks to the pin on the engine) is positioned the same as in a 1013 advanver

I'm away all day Saturday and the earliest I could remove my advance for a photo of the back is Sunday.
1980 kz750E1, Delkevic exhaust

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Last edit: 24 Jul 2015 18:54 by JR.

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Re: Kz750 E. Ignition Timing is not right.

24 Jul 2015 18:49
#682585
You use the stock advancer with the Dyna S. You change the just cam.
Steve

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Re: Kz750 E. Ignition Timing is not right.

24 Jul 2015 20:09
#682602
JR 10 to 40 degrees sounds right. I've read that somewhere. the 005 is 20 to 40 so there is a difference in degrees as well as the timing marks.
Ive found a 1013 on eBay that could use a rebuild and bought it. so when i get it i will compare them and post it here.
this makes me wonder because i used the marks from the old advancer ( the 005) to set the timing on my engine. i wonder if the timing could be a tooth off or so because of it. worth a recheck when i get the part in the mail.
Thanks for all the help JR and Steve specially . i will post back when i get the part.

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Re: Kz750 E. Ignition Timing is not right.

24 Jul 2015 21:35
#682615
I think the T mark is in the same place but it's best to check it.
Steve

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Re: Kz750 E. Ignition Timing is not right.

26 Jul 2015 09:39 - 26 Jul 2015 09:43
#682805
Matigipler
This will is a bit redundant as you have an advancer on order from ebay but I said I'd take photos so here ya go
......... could anybody tell me if the tab in the back of the advancer (the one that hooks to the pin on the engine) is positioned the same as in a 1013 advanver? if thats the case my engine is deffinetly out of timing.

The short answer is yes

when the point on the cam is at 9 o clock


then the slot on the back which fits the pin on the engine is at 12 o clock - same as yours.


Goodluck with your replacement. Hope it solves the problem
1980 kz750E1, Delkevic exhaust

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Last edit: 26 Jul 2015 09:43 by JR.

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Re: Kz750 E. Ignition Timing is not right.

26 Jul 2015 14:39 - 26 Jul 2015 18:18
#682840
JR. yep they are the same yet the marks are shifted. so my Theory is that the PO replaced the advancer but never redid the timing.... therefor the engine ran fine. now i did redo the timing with the wrong advaner after i did a valve job and set the timing a a little off. gessing maybe enough to go to the next Tooth???? and thats why i cant get it to run right..... it does idle and start no problem as soon as i try and drive it and hit 15mph it wont go any further then that. thats why i was thinking my actual timing was good....
gess i just have to wait till i get the part in the mail and check.
well, we will find out haha.
Last edit: 26 Jul 2015 18:18 by matigipler.

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