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OMR: '76 KZ900 Restoration/Modification 11 May 2013 13:21 #586866

  • Old Man Rock
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Another successful trip through emissions.... LUV the AFR meter, makes it easy! ;)

1) Set idle ~ 1800-1900...
(NOTE: Settles ~ 1400-1500 after slow jet (pilot adjustments for lean) for easier starting in testing.
2) Turn each pilot CCW Leaner in CR's ~ 1/2 to 3/4 turns.
3) Screw driver in back pocket, roll her out of testing bay, rotate back (CW Richer) the number of turns, set idle ~ 1000-1200 (I like her a tad higher to get the oil flowing)... All good!

This places her stoich lean @ ~ 14.7 - 15.2 as reviewed in the image.
No need for choke or anything, just press the start switch and she purrs to life.

NOTE Carbon monoxide, almost 0.00 .... :laugh: :laugh: :laugh:

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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Last edit: by Old Man Rock.

OMR: '76 KZ900 Restoration/Modification 11 May 2013 13:43 #586871

  • Dr. Gamma
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GREAT LOOKING KZ!!!

Stupid question for you...... I just moved down from Northern Arizona to the Phoenix area. They have emission testing for bikes in Phoenix????

Please say that ain't so. With any of my motors, there is no way in hell I will pass an emission test!!!
1972 H2 750 Cafe Racer built in 1974.
1976 KH400 Production Road Racer.
1979 Kz1000 MK. II Old AMA/WERA Superbike.
1986 RG500G 2 stroke terror.
1986 GSXR750RG The one with the clutch that rattles!

Up in the hills near Prescott, Az.

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Last edit: by Dr. Gamma.

OMR: '76 KZ900 Restoration/Modification 11 May 2013 16:28 #586885

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Yup... Maricopa County is the only county in the state requiring emissions... :angry:

But no big deal any longer (for me anyways), I've learned the tricks to get her through emissions with no worries over the last 5 years...

You can register them as antique, w/insurance proof, less than 2,000 miles skips emissions.... From others I've spoken with, said it's kind of a hassle but as with your builds, no way in hell they can get through the test...

Where you located...?
I'm 55th & Greenway, Glendale, we;ll need to hook up.
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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OMR: '76 KZ900 Restoration/Modification 11 May 2013 17:03 #586893

  • 650ed
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Old Man Rock wrote: Yup... Maricopa County is the only county in the state requiring emissions... :angry:

But no big deal any longer (for me anyways), I've learned the tricks to get her through emissions with no worries over the last 5 years...

You can register them as antique, w/insurance proof, less than 2,000 miles skips emissions.... From others I've spoken with, said it's kind of a hassle but as with your builds, no way in hell they can get through the test...

Where you located...?
I'm 55th & Greenway, Glendale, we;ll need to hook up.


Sounds like a reason to keep a spare speedometer on hand for emission tests. :laugh: :laugh: :laugh:
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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OMR: '76 KZ900 Restoration/Modification 12 May 2013 14:37 #587032

  • Dr. Gamma
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Old Man Rock wrote: Yup... Maricopa County is the only county in the state requiring emissions... :angry:

But no big deal any longer (for me anyways), I've learned the tricks to get her through emissions with no worries over the last 5 years...

You can register them as antique, w/insurance proof, less than 2,000 miles skips emissions.... From others I've spoken with, said it's kind of a hassle but as with your builds, no way in hell they can get through the test...

Where you located...?
I'm 55th & Greenway, Glendale, we;ll need to hook up.


Yea, would like to check out your KZ. Like that single shock setup!!!

Got to check out a map to see where you are it.

I am down near San Tan Valley. Near Ironwood and Octillo. I am like 5 miles south of the new dirt track on Ironwood.
1972 H2 750 Cafe Racer built in 1974.
1976 KH400 Production Road Racer.
1979 Kz1000 MK. II Old AMA/WERA Superbike.
1986 RG500G 2 stroke terror.
1986 GSXR750RG The one with the clutch that rattles!

Up in the hills near Prescott, Az.

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OMR: '76 KZ900 Restoration/Modification 12 May 2013 17:40 #587051

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Whoa, you just may have lucked out pending where your residence is located to the county lines...
45 minute drive, no biggy... I'll PM you.

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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