dyna s installation: spark advance nut direction ?

  • KZJerry
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dyna s installation: spark advance nut direction ?

14 Oct 2009 21:35
#327627
Hey All quick question.
I am installing a dyna s ignition system in my 76 kz900 A4. I need to know the direction of the 13mm bolt and 17mm nut holding the spark advance (points cam) in place... aka is it reverse or normal threaded???

thanks if you can help.

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  • MFolks
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Re: dyna s installation: spark advance nut direction ?

14 Oct 2009 21:54
#327632
If it's like my 82 GPz1100 it's right to tighten and left to loosen(as you look at it).
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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  • Old Man Rock
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Re: dyna s installation: spark advance nut direction ?

15 Oct 2009 04:58 - 15 Oct 2009 05:44
#327649
Normal CW to tighten....

And be EXTREMELY careful with that 13mm nut....

Several members here have reported of snapping this bolt...
Snug is good where no real hard torque is required!

OMR

EDIT:
Follow the link... Tutorial for Dyna-S on KZ900-A4...
Maybe will help.... ;)

NOTE: I have performance cams @ 105 lobe centers so final mark alignments may differ from yours but the procedure is the same....

Example: Static is to advance timing marks but on mine, F mark is what was required then dynamic came out correctly....

kzrider.com/index.php?option=com_docman&...d&gid=449&Itemid=108


OMR
1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az
Last edit: 15 Oct 2009 05:44 by Old Man Rock.

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  • Patton
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Re: dyna s installation: spark advance nut direction ?

15 Oct 2009 05:31 - 15 Oct 2009 05:35
#327656
The 17mm "fake" nut isn't "threaded." It fits into position where it's designed to also provide a grip for a wrench to hand-rotate the crankshaft.

Good Luck! :)
1973 Z1
KZ900 LTD
Last edit: 15 Oct 2009 05:35 by Patton.

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  • trianglelaguna
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Re: dyna s installation: spark advance nut direction ?

15 Oct 2009 07:26
#327677
spray it ...give it a soft direct tap with a wrench or tiny hammer...and loosen in the normal direction....the 13 is the one to loosen....
1976 KZ900
2003 ZX12R
2007 FZ1000
2004 ninja 250R for wife

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  • timebomb33
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Re: dyna s installation: spark advance nut direction ?

15 Oct 2009 08:46
#327684
righty tighty, lefty loosey
1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE

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  • KZJerry
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Re: dyna s installation: spark advance nut direction ?

15 Oct 2009 11:32
#327707
Thanks for the replies, I will be extra careful with that 13mm...thats the reason I initially posted this, because it was not coming off normally and I didn't want to force it and break the bolt...That has already happened with some bolts on my 900, and this one seems extra-inconvenient to repair.

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  • Patton
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Re: dyna s installation: spark advance nut direction ?

15 Oct 2009 12:22 - 15 Oct 2009 12:23
#327710
trianglelaguna wrote:
spray it ...give it a soft direct tap with a wrench or tiny hammer...and loosen in the normal direction....the 13 is the one to loosen....

Yes. PBBlaster or Kroil is imo the best spray, and would allow it to soak at least overnight.

An air or electric impact wrench might also help jar it loose.

Good Luck! :)
1973 Z1
KZ900 LTD
Last edit: 15 Oct 2009 12:23 by Patton.

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  • netcats
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Re: dyna s installation: spark advance nut direction ?

17 Oct 2009 09:57
#328022
Hello,
Just did mine the other day, loosen counter clockwise.
When you tighten it up torque setting is 16.5 - 19.5 foot pounds, as per Kawasaki manual, I used 18 for mine and it works.
Hope this helps.
Regards, netcats

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  • Bluemeanie
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Re: dyna s installation: spark advance nut direction ?

17 Oct 2009 19:51
#328132
Old Man Rock wrote:
Normal CW to tighten....

Several members here have reported of snapping this bolt...
Snug is good where no real hard torque is required!

OMR

I've never snapped the 13mm bolt but I DID shear off the dowel pin! Try and drill that hardened bitch out! :woohoo:
1980 KZ650F1, Bought new out the door for $2,162.98!

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  • Old Man Rock
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Re: dyna s installation: spark advance nut direction ?

18 Oct 2009 13:13
#328253
"Try and drill that hardened bitch out!"...
:laugh: :laugh: :laugh:

Before everyone gets there panties in a bind.... I'm laughing at the way you wrote it not in the fact of the matter....

OMR
1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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