KZ650 - 810cc

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08 Apr 2010 05:40 #359190 by T_Dub
Replied by T_Dub on topic KZ650 - 810cc
Hmm, sounds like more work than I want to do. :D

I'm thinking if I go black I may put an offset Kawi Green stripe on my tank and tail, or go kawi green on those parts fully. But that wouldn't be for a while.

I'm leaning towards black a little bit, since the blue didn't hold up to rust very well. It's only been five years since I repainted it, and there was a good amount of rust starting to peek through the paint. Maybe I'll spray on bedliner!

1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler

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08 Apr 2010 16:10 #359318 by T_Dub
Replied by T_Dub on topic KZ650 - 810cc
Should have some more pics this weekend. One way or another the frame will be painted, and my cases and jugs will be sandblasted, along with an assortment of other parts.

Where should I look for thread chasers? I'd need M6, M8, and M10 I guess. I have new class 12.9 socket head cap screws to replace everything in my engine except for the main cap bolts. I love those black screws against polished covers, gonna look gooooooood.

1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler

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20 Apr 2010 03:59 #361838 by T_Dub
Replied by T_Dub on topic KZ650 - 810cc
Ok, plan is to spray the frame the next nice day, I have nowhere inside to do it. In the meantime, after much cursing, my forks are fully assembled. So thats out of the way. Now I need to cut the old race off my steering stem, and I'm not doing it with a dremel. I think I can get in the machine shop this week for that though.

I'm also contemplating putting on the CBR rearsets I have. I need to make a couple threaded dealies to weld on the frame, but I can do that today no problem.

Seems like all I do is write novels and never post pictures, but when I get working I will. My gf has my camera though, so no machine shop pics this week. Main thing this week though is getting my engine blasted so it can go out to be bored and whatnot. I just need to get out and pick up about 100lb of sand.

1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler

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  • testarossa
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  • Attack life, it's only trying to kill you.
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20 Apr 2010 04:50 #361847 by testarossa
Replied by testarossa on topic KZ650 - 810cc
How are you painting? HVLP or rattle? What color did you decide on?

Forks are always fun until you have done them a few times.

1978 KZ1000 A2 Click--->Build Thread
2004 ZX-10R
2007 Harley Sportster 1200
2020 Harley Street Glide Special
Angola, IN

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20 Apr 2010 04:52 #361848 by T_Dub
Replied by T_Dub on topic KZ650 - 810cc
Here's a couple head pics Larry sent me.




1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler

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  • porchev914
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  • Whats that? Half of my swingarm is missing?!?!?
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20 Apr 2010 15:15 #362001 by porchev914
Replied by porchev914 on topic KZ650 - 810cc
T_Dub wrote:

Should have some more pics this weekend. One way or another the frame will be painted, and my cases and jugs will be sandblasted, along with an assortment of other parts.

Where should I look for thread chasers? I'd need M6, M8, and M10 I guess. I have new class 12.9 socket head cap screws to replace everything in my engine except for the main cap bolts. I love those black screws against polished covers, gonna look gooooooood.


You would be looking for something like this TDub
www.icscuttingtools.com/catalog/page_221A.pdf
You may be able to find them cheaper somewhere else, this was just the first place i came across ;) I need to get the same thread chasers, my bolts did not want to thread in easily after blasting my cases :dry:

The porting looks awesome! I'm getting a sneek peek at the work Larry will be doing to my head...when I get the money and parts together to send to him :P
I agree about the contrasting black bolts and the cleaned/polished aluminum, it looks sick. I was going to go that route as well, with the addition of drilling and safety wiring the bolt heads together. Not that they really need it, but it looks trick and can't hurt!

FRANKEN Z!
1978 KZ1000 A2A with 08'Speed Triple SSSA and '06 GSXR1000 front end

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21 Apr 2010 07:00 - 21 Apr 2010 07:01 #362109 by T_Dub
Replied by T_Dub on topic KZ650 - 810cc
Man the old steering stem bearing material is hard! I decided to cut it off in the milling machine this morning, and I had to use a carbide insert mill to get through it, and run it sloooooow. I still ended up breaking an insert when the race shifted on my last pass, but oh well, I got it off without hurting my stem, thats the main thing.

1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler
Last edit: 21 Apr 2010 07:01 by T_Dub.

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13 May 2010 17:37 #367743 by T_Dub
Replied by T_Dub on topic KZ650 - 810cc
So I got my cylinders back yesterday, woohoo!! So today I brought my upper crankcase into the machine shop and bored them to fit the 750 liners. Gonna start into full speed ahead any day now. I just have to get a broken bolt out of my bottom crankcase, then I can prep and paint my engine and start assembly!!

Stay tuned for pics, I lost my SD card so my camera is out of action for a bit. Also, Leon should be posting up some pics soon of my swing arm bracing. In other news, my calipers are back together, powder coated with a rebuild kit and fresh SBS pads. That's about it for now, I'll try to get some pics up soon.

1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler

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13 May 2010 17:49 #367748 by T_Dub
Replied by T_Dub on topic KZ650 - 810cc
testarossa wrote:

How are you painting? HVLP or rattle? What color did you decide on?

Forks are always fun until you have done them a few times.


Don't know how I missed this post Josh. But I decided on black, a local hot rod guy says he likes to use Tremclad reduced in his paint gun and apparently it works great. So I'm gonna do that, with my HVLP.

Gonna wait a bit for that, till I have absolutely every little bit I wanna paint done and I get my swingarm back, then I can put together a nice rolling chassis and just build the thing, the engine will def be built by then.

1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler

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  • testarossa
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  • Attack life, it's only trying to kill you.
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13 May 2010 18:30 #367763 by testarossa
Replied by testarossa on topic KZ650 - 810cc
Glad to hear that someone is making progress this week. I have been stalled out for a while. Any idea how much hp to expect from your engine build?

1978 KZ1000 A2 Click--->Build Thread
2004 ZX-10R
2007 Harley Sportster 1200
2020 Harley Street Glide Special
Angola, IN

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14 May 2010 03:55 #367831 by T_Dub
Replied by T_Dub on topic KZ650 - 810cc
Not a clue. But I guess since the GPz750 was listed with 92, I should be well upwards of that. I have GPz cams, my 650 head which flows more now than a stock J head, and she's 810cc. So I guess I wouldn't be unrealistic to say she might make a little over 100hp at the crank. Too bad the only dyno in my province can't do bikes, I'd be really interested to see how powerful she is when done.

Can't wait for monday, I can get in the shop again to get that bolt out, then its prep the engine for paint time!

1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler

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  • testarossa
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  • Attack life, it's only trying to kill you.
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14 May 2010 04:09 #367833 by testarossa
Replied by testarossa on topic KZ650 - 810cc
I would think that 100 hp should be sufficient from a 650. Did Larry give you flowbench results from your head?

1978 KZ1000 A2 Click--->Build Thread
2004 ZX-10R
2007 Harley Sportster 1200
2020 Harley Street Glide Special
Angola, IN

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