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vac gauges

  • larrycavan
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20 Mar 2010 07:12 #354821 by larrycavan
Replied by larrycavan on topic vac gauges
krazinite2003 wrote:

ok how often would one use a manometer i only have one bike and dont plan on doing alot of carb work
i just have a hard time spending that much money on a tool i may only used once a year


I have a spare set of vacuum guages doing nothing. They'll need some dampers and hoses. They were brand new, never used.

$20 plus shipping if you're interested.

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20 Mar 2010 07:19 - 20 Mar 2010 07:21 #354824 by Old Man Rock
Replied by Old Man Rock on topic vac gauges
Understandable no doubt... The Z1 analog unit is ~ $75 plus shipping... Jeff also has a Pro-Motion unit as well, think it was ~ $100....

Found that these Analog gauges where ok for the most part but where considerably off when compared to the Morgan unit for tighter tolerance in the adjustments are obtainable and is desired especially in a performance build...

Seriously, it made that much of a difference...;)

Actually, I would think anyone would want this in a stock build as well but that's me...

Service manual calls for carb sync in routine maintenance and pretty much anytime carb adjustments (outside of simple elevation change tweaks) are made...

I've used mine numerous times throughout engine build, carb jetting and maintenance where I want it spot on henceforth dialed in for performance...

NOTE: I also realized this wasn't going to be my only KZ... I'm addicted to it now....:blush: :woohoo:

Anyhoot, go too cheap if you wish but I'd wager you'll be posting as I and others have where certain procedures/gaskets/seals/tools etc... just have to bite the $$$ bullet if you expect performance out of the old girl...

At least get a good set of analog gauges for under a hunski.... J&P cycles has them as well...

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: 20 Mar 2010 07:21 by Old Man Rock.

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20 Mar 2010 07:53 #354833 by sabell
Replied by sabell on topic vac gauges
I know several of these homemade versions have been posted, here's a link to one more. Since this one only uses one gauge I suppose it's accuracy may not be as important since all carbs will be set to one dial. Jury is still out for me to build or buy, Colortune for mixture seems idiot proof so I might have to spring for that. Link is for a XSLemon site...sorry about that.

www.xs11.com/xs11-info/tech-tips/mainten...ge-synchronizer.html

'78 KZ1000A2
'79 650SR

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20 Mar 2010 09:48 #354845 by timebomb33
Replied by timebomb33 on topic vac gauges
that system on the excessive 11 site seemed like it was pretty bulky and dam near the same to build as it would be to buy a pro model unit like i have and trust me if you have one you will find many uses for you can amaze all your friends for one. and maybe make a couple of bucks as well on the side once you figure out how good they work. what ever style you go with it is a good investment.

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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20 Mar 2010 09:58 #354848 by sabell
Replied by sabell on topic vac gauges
Just so I got this straight, you would use the something like the Pro-Motion unit to sync and the Colortune to aid in the rich/lean department or jetting.

'78 KZ1000A2
'79 650SR

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20 Mar 2010 10:23 #354850 by Old Man Rock
Replied by Old Man Rock on topic vac gauges
correct....

The color tune is used in three adjustments...

Idle 1000rpm
Slow raise of the throttle to 3000rpm
Throttle blip @ 3000rpm....

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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20 Mar 2010 10:28 #354853 by timebomb33
Replied by timebomb33 on topic vac gauges
the color tune set-up is really a great idea to aid in jetting if you don't have access to an exhaust gas analizer. which unless you work at a shop that has one would a bit to expensive and bulky for the average guy to justify owning.

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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20 Mar 2010 11:12 #354884 by sabell
Replied by sabell on topic vac gauges
Seems like money well spent to save the time and brain damage.

'78 KZ1000A2
'79 650SR

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  • krazinite2003
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21 Mar 2010 04:40 #355104 by krazinite2003
Replied by krazinite2003 on topic vac gauges
hhhmmm i guess ill have to think realy hard on this
i do have a friend that has a set and has told me that he would sync my carbs for free
i dont think i would be buying any more bikes
i dont plan on touching the carbs unless i have to "if it aint broke dont touch it "
rejetting i dont know enough about jetting to play around with it lol
well thank you guys you have given me alot to think about

i have two 1983 kz750 L3

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  • TeK9iNe
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27 Mar 2010 11:23 #356552 by TeK9iNe
Replied by TeK9iNe on topic vac gauges
wagonmaster69 wrote:

can you put pictures please...

TeK9iNe wrote:

You can make the dampers yourself.

You can use anything hard that plugs/slides into the vac line (wood, plastic, etc.) Make them all 5mm in length, then drill a 1mm hole thru each, and your done. Shove them into the vac line at the end that will be connected to the engine.

Works perfect, done it tons of times.

GL

B)


Sorry, no pics... Just a 1mm drill hole thru pretty much anything.

Motorcycle Shop Owner/Operator

79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
83 Honda VT750C A
85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
Lucky to have rolled many old bikes through my doors ;)

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27 Mar 2010 11:41 #356553 by loudhvx
Replied by loudhvx on topic vac gauges
For the restrictors, I use an aluminum knitting needle and cut it into 5mm sections. They also work well if you have to plug a vac line etc.

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