Re-Jetting, Pods back to stock air cleaner

  • Qdude
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16 Dec 2009 08:52 #339250 by Qdude
The carb rebuild kits came in the mail and I need a break from polishing, so it is time to tear down the carbs.

I want to reinstall the stock air cleaner on a 77 c1 I just bought and disassembled. I have not yet seen this engine run, so I don't know how well the current jets are working..(I don't even know which ones are in now).

Which jets are recommended for a bike with a kerker pipe and stock air cleaner.

77 KZ 650 C1.
77 KZ 650 C1.
Crashed-Repaired, Pods, Kerker pipe, re-wired core bundle, lamp upgraded, homemade rectifier, solid state regulator , Dyna-s ignition, repainted, slightly modified, year-round commuter
Honda Metro 85 mpg Scooter. Dont laugh I will throw it at you

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16 Dec 2009 09:50 #339261 by OnkelB
Replied by OnkelB on topic Re-Jetting, Pods back to stock air cleaner
Off the top of my head I'd say 15 pilots/105 mains and the needle clip in the fourth groove (counting from the blunt end of the needle) would be close.

77 KZ 650 B1, 82 GPz 1100 B2.

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  • TeK9iNe
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16 Dec 2009 11:15 #339267 by TeK9iNe
Replied by TeK9iNe on topic Re-Jetting, Pods back to stock air cleaner
Wha? why lose the pods?
Unless you really want to go slower and decrease your fuel economy, then I understand.

Are the pods rotted?

?

B)

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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16 Dec 2009 12:29 - 16 Dec 2009 12:35 #339273 by 650ed
Replied by 650ed on topic Re-Jetting, Pods back to stock air cleaner
TeK9iNe wrote:

Wha? why lose the pods?
Unless you really want to go slower and decrease your fuel economy, then I understand.

Are the pods rotted?

?

B)


In general, pods don't perform as well as the stock air box. If you really believe a stock KZ650 will be faster and get better fuel economy if you replace the stock airbox with pods you are fooling yourself. For details do a search on this site for "pods". Obviously, there are differing opinions, but do the search and judge for yourself the disadvantages vs perceived advantages. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
Last edit: 16 Dec 2009 12:35 by 650ed.

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16 Dec 2009 16:48 #339292 by Qdude
Replied by Qdude on topic Re-Jetting, Pods back to stock air cleaner
My other 77c1 has pods on it. I have always noticed them when I see the bike in profile. It seems to me that there is this gaping hole in the profile that is filled by the pods, it is like a declawed cat's paws -- not natural, the hose clamps remind me stylistically of duct tape. I've had the same feeling about 60 - 70s American muscle cars aircleaners.

I feel that the look of the stock airbox is tight, follows the lines of the original design, flows so well with the side covers, looks complete and, finally, I am not convinced that it really offers that much of a boost to power as to warrant having them.

77 KZ 650 C1.
77 KZ 650 C1.
Crashed-Repaired, Pods, Kerker pipe, re-wired core bundle, lamp upgraded, homemade rectifier, solid state regulator , Dyna-s ignition, repainted, slightly modified, year-round commuter
Honda Metro 85 mpg Scooter. Dont laugh I will throw it at you

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16 Dec 2009 18:44 - 16 Dec 2009 18:48 #339320 by TeK9iNe
Replied by TeK9iNe on topic Re-Jetting, Pods back to stock air cleaner
650ed wrote:

TeK9iNe wrote:

Wha? why lose the pods?
Unless you really want to go slower and decrease your fuel economy, then I understand.

Are the pods rotted?

?

B)


In general, pods don't perform as well as the stock air box. If you really believe a stock KZ650 will be faster and get better fuel economy if you replace the stock airbox with pods you are fooling yourself. For details do a search on this site for "pods". Obviously, there are differing opinions, but do the search and judge for yourself the disadvantages vs perceived advantages. Ed


? :woohoo: ?

So... your saying pods reduce performance?
People put them on thier bikes to go slower?? :huh:
I guess velocity stacks are uh to reduce velocity... :blink:
I've seen the difference with dyno mapped jetting, and pods can add a TON of power to just about any properly setup bike. (In the old realm of bikes)
Just searching the forum for a bunch of guys that couldnt jet a bike and went back to stock, isn't exactly an unbiased solution to this equation.

Personally, I don't care either way you go. I have a bike with pods, and one without for exactly the same reason... the look.

B)

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 ;)
Last edit: 16 Dec 2009 18:48 by TeK9iNe.

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16 Dec 2009 20:05 #339333 by 650ed
Replied by 650ed on topic Re-Jetting, Pods back to stock air cleaner
TeK9iNe wrote: "I've seen the difference with dyno mapped jetting, and pods can add a TON of power to just about any properly setup bike. (In the old realm of bikes)"

Show me!

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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16 Dec 2009 20:32 #339336 by Nebr_Rex
Replied by Nebr_Rex on topic Re-Jetting, Pods back to stock air cleaner
pods do add power

ZRX1200R - 112 h.p. stock
130 h.p. with pods and aftermarket exhaust

but I do run a stock air box with a K&N on my KZ1000st

just depends on what you are after

2002 ZRX1200R
81 GPz1100
79 KZ1000st daily ride
79 KZ1000mk2 prodject
78 KZ650sr
78 KZ650b
81 KZ750e
80 KZ750ltd
77 KZ400/440 cafe project
76 KZ400/440 Fuel Injected

www.dotheton.com/forum/index.php?topic=39120.0


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17 Dec 2009 06:27 #339370 by 650ed
Replied by 650ed on topic Re-Jetting, Pods back to stock air cleaner
Nebr_Rex wrote:

pods do add power

ZRX1200R - 112 h.p. stock
130 h.p. with pods and aftermarket exhaust

but I do run a stock air box with a K&N on my KZ1000st

just depends on what you are after


What kind of KZ650 is a ZRX1200R ???

The bike in question is a KZ650. I could be wrong, but I suspect a ZRX1200R head handles a bit more flow than a stock KZ650. No?

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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17 Dec 2009 06:36 #339374 by Locozuna
Replied by Locozuna on topic Re-Jetting, Pods back to stock air cleaner
There is enough info in the archives without re-hashing this again for the millionth time. Do your homework. Most of the time the switch to pods were because the owner likes the look or is sick of trying to get the carb bank in or out of the bike. New boots removes this last concern. Just remember do not destroy your airbox taking it out or you burn your bridge. Seriously do a search before deciding. And be prepared for some exaggerated claims. Along with some sound advice. From both sides. :)

KZ900LTD, KZ750LTD, KZ650, 72'Triumph Trident
"Over the Mountains
Of the Moon,
Down the Valley of the Shadow,
Ride, boldly ride,"
The shade replied
"If you seek for Eldorado!"

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17 Dec 2009 14:00 #339437 by spudbudy
Replied by spudbudy on topic Re-Jetting, Pods back to stock air cleaner
Hi gang, let me say I did a airbox mod that gets you all the air your engine can used and keep the stock airbox. No problems with pods and crosswinds or rain this way.

78 KZ 650B2. Vetter faring, Dyna S, Dyna Green coils, WG coil mod,AGM Battery, VM26SS carbs, Pilot jet 15, mains 110, jet clip #2 shimmed position, Modified stock air box, stock air filter, Kerker 4 into 1 with stock baffle. currently 48,785 miles. :-) and climbing daily.:-)

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17 Dec 2009 15:35 #339448 by YUKABODOS
Replied by YUKABODOS on topic Re-Jetting, Pods back to stock air cleaner
Did you get the jets figured out for your airbox mod. I think of it from time to time. Did you notice an increase in power? Did it lean the hell out of your bike?

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