Multiple engine upgrade question

Evening guys! Man! its been a very long time since i've been here. Lots of stuff happened over the years; Hit a deer on my CX500 (totally fine, I walked away with battered and my hand bloodied (only one glove flew off? weird...)) Moved from NY to Ohio, bought a SL350 to putt around with while my KZ650 stayed stored away for three years.

Now... that im comfortably situated, I've made the decision to pull my poor KZ out with the goal of making it to Ohio Bike Week at the end of May. There are a few things I'd like to do on top of just putting back together and getting road worthy but i've ran across a few things which I'd like to verify with you guys here, some may seem simple but i'd just like the peace of mind with a confirmation.
Ok, here goes:

1. Im planning on running K&N pods instead of an airbox, I've seen people saying that you have to support the carbs somehow so they don't crack the runners off the head (Airbox added rigidity and support?) Whats the common solution for that? I have an idea but it comes across as half-assed and jerry-rigged in my mind

2. on top of the pods, im looking into a 4-1. One i've seen floating around is Delkevic's 4-1's Anybody here run those? how do they perform?

3. I saw on a thread here i believe... of people using aluminum GS1100 swing arms as an attempt to shave weight and that it was an easy bolt-on solution, give or take, shimming a bit. Is this true?

4. With the pods/ 4-1 I'll need a re-jet. According to OldKawMan, he suggested K&N's 4-1 w/ Baffle and a 10 - 15 jet size increase over OEM jet size, while adding to not touch the needles. True or do i need more info?

5. Also from OldKawMan, to quote his site; "For all round performance, go with a 15 tooth front sprocket and a 39 tooth rear sprocket. Put a new chain on, 94-96-98 links will work for most applications". So with that, what exactly am I gaining with the different sprockets? better acceleration? more top end speed?

6. Cams. I may or may not do cams in an attempt to have her running for Bike Week, but i see that KZ750 cams are a good drop-in while utilizing 650 sprockets due to 750's being Hy-Vo chain styled. I've also seen people recommend a Web Cams #118 grind street cams. All of this true?

If these are true, false or are true but need more info, please let me know. Any other little bits of information are always welcome too. Thanks guys!

Source: www.oldkawman.com/oknd.html

New carb boots will hold the carbs up by them selves.
Have you looked into seeing if DynoJet has a jet kit?


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The stock 16/42 gearing is the same as 15/39 and would hold up slightly better......... and 17.5 pilots with 112.5 mains will get you pretty close on jetting..... I have had no supports on my carbs for 30 years with no problems although I've replaced.

Search for that header a number of guys have bought it lately......

I run the KZ750 cam from a 1980-81 its a drop in with the sprocket change and a GPZ is also possible with shimming up for the smaller base circle. Do a search for that too. The swing arm is more for less flex a added few inches and I would like to learn more on that myself.... again search for that.

Nebr_Rex wrote: New carb boots will hold the carbs up by them selves.
Have you looked into seeing if DynoJet has a jet kit?


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DynoJet does have a kit, I did have one at one point but when I moved to Ohio, money got real tight, so it ended up being sold with a lot of other things. Matter of fact, my KZ almost got sold too, but after a botched attempt to sell it, i decided to hold on to her