78 650 b2 air box up for grabs
- snuff85
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78 650 b2 air box up for grabs
24 May 2014 19:52
just pulled the air box off my 78 kz650 b2 and looking to go to pods. need some advice on this and wanted to know if anyone was in need of the air box. maybe someone looking to go stock has the pods sitting around and we can swap lol. let me know if anyone is in need. its in good shape with decent filter in it. the boots are bit rough but do work. thanks in advance
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- 650ed
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Re: 78 650 b2 air box up for grabs
24 May 2014 19:56
Best advice anyone can give you is to hold on to that stock airbox in case you cannot get the pods to produce decent power throughout the rpm range. You have your work cut out for you. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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- snuff85
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Re: 78 650 b2 air box up for grabs
24 May 2014 21:24
is it that difficult? thought was just changing the jet down a step or two and runnin with it? guess maybe a slight sync but is there more to it than im thinking? thank you for the heads up tho. would be upset if got rid of box and couldnt get runnin right again lol.
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- Patton
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Re: 78 650 b2 air box up for grabs
24 May 2014 21:53snuff85 wrote: just pulled the air box off my 78 kz650 b2 and looking to go to pods. need some advice on this....
Foolish mortal. :pinch:
Good Fortune!

1973 Z1
KZ900 LTD
KZ900 LTD
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- dur65geo
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Re: 78 650 b2 air box up for grabs
25 May 2014 18:25
how much are looking for it? Can you post a picture?
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- snuff85
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Re: 78 650 b2 air box up for grabs
25 May 2014 19:37
i do not honestly know what its worth maybe someone on here can give us an idea. i will post pics when i get a chance. but as far as the others said i will prob hold onto it for a couple weeks make sure i can get pods and make them work prior to selling. but will post pics and can discuss a price in the mean time. thanks all. and foolish mortal? is that you nicely saying im an idiot lol. if it is a bad idea i do not have to do it. just seems much easier to me but i am not very exp. on this matter.
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- 650ed
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Re: 78 650 b2 air box up for grabs
25 May 2014 19:45snuff85 wrote: i do not honestly know what its worth maybe someone on here can give us an idea. i will post pics when i get a chance. but as far as the others said i will prob hold onto it for a couple weeks make sure i can get pods and make them work prior to selling. but will post pics and can discuss a price in the mean time. thanks all. and foolish mortal? is that you nicely saying im an idiot lol. if it is a bad idea i do not have to do it. just seems much easier to me but i am not very exp. on this matter.
Well it is easier than removing your own tonsils, but it certainly isn't as easy as using the airbox that was designed for your engine. You may want to use the SEARCH feature on this site to retrieve and read the more than 7,800 postings on the subject of pods. Here's how:
www.kzrider.com/forum/4-electrical/59374...-stay-running#633806
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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- ezrider714
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Re: 78 650 b2 air box up for grabs
25 May 2014 20:39
Well No it's not easier than stock... But it's not that difficult and when you get it dialed in the extra umph... is worth it
Many of those 7,800 post about pods will give you the jetting info to start with for your bike and you may or may not have to go on from there :ohmy: A little tinkering and you'll be smiling :laugh:

78 KZ650SR Mine since 79
4-1 Mac Jet Hot coated since mid 80's
Dyna Coils
Saddlebags (I ain't skeered of going nowhere)
4-1 Mac Jet Hot coated since mid 80's
Dyna Coils
Saddlebags (I ain't skeered of going nowhere)

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- 650ed
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Re: 78 650 b2 air box up for grabs
25 May 2014 21:18 - 25 May 2014 21:22
Any dyno info on that "extra oomph"? I haven't yet seen any, but I would truly love to. Everything I have read to date about putting pods on stock engines has shown that any marginal increase in power comes at maximum rpm (which makes sense considering at lower rpm any air filter passes enough air volume), and that at lower rpm there typically is a slight power loss with pods. The only dyno info I have seen where stock engines were switched to pods is in the study done years ago by Cycle World (see link below). They were not impressed with pods. If new documented tests are available I haven't seen them. I suspect some of the perceived improvements in power are the result of tuning in pods reasonably well on carbs that were already not clean or tuned correctly for the stock airbox, but that's just a guess on my part. In that case there could be a marked performance improvement. Ed
kzrider.com/forum/3-carburetor/585949-po...-a-free-lunch#585949
kzrider.com/forum/3-carburetor/585949-po...-a-free-lunch#585949
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
Last edit: 25 May 2014 21:22 by 650ed.
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- snuff85
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Re: 78 650 b2 air box up for grabs
25 May 2014 22:47
ok so when i say easier, i mean as far as removal. so if i can get some secret tip on how to get the carbs in and out with ease that could solve my delima. should i heat the boots with a dryer or something to install or remove to make the boots more plyable? just seemed very difficult to remove. and as far as pods go seem cheaper too. but it looks like im stiring up some very big debate here lol
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- 650ed
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Re: 78 650 b2 air box up for grabs
26 May 2014 05:59
Just get new airbox to carb boots. Unlike old ones that get hard as stone they are pliable. If you want the new ones to be even more pliable when working with them soak them in hot water first. I didn't find this necessary, but folks who did it thought it made things very easy. Ed
Also, see this thread:
www.kzrider.com/forum/3-carburetor/59405...-intake-boots#633304
Also, see this thread:
www.kzrider.com/forum/3-carburetor/59405...-intake-boots#633304
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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- ezrider714
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Re: 78 650 b2 air box up for grabs
26 May 2014 16:58
Just seat of the pants dyno info...
2 78 650SR's Mine with stock air box etc..... My sons with pods on carbs I just rebuilt.... I know which one is quicker, it only took a couple of back to back rides... Mine has never been as quick, even when new :silly:

78 KZ650SR Mine since 79
4-1 Mac Jet Hot coated since mid 80's
Dyna Coils
Saddlebags (I ain't skeered of going nowhere)
4-1 Mac Jet Hot coated since mid 80's
Dyna Coils
Saddlebags (I ain't skeered of going nowhere)

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