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TOPIC: Kawboy's restoration/conversion of a 1980 KZ13

Kawboy's restoration/conversion of a 1980 KZ13 3 years 9 months ago #6402

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Went to Hitech Seals in Newmarket today and fitted up seals for the carbs. All seals are Viton 75 durometer.

[/Oring for the Neeedle Seat Body 7.5mm X 1.5mm Hitech part# MV8 150075 $1.39 each
Oring for Idle Air Needle 3.0mm X 1.5mm hitech part# MN7 15003 $0.75 each
Oring for carb bowl drain screw is a part #007 since there was no metric equivalent that fit correctly. cost $1.05 b]

I asked about the lip seal for the throttle shaft and they couldn't spec out a seal, so the search was on. Thank God for the internet. After about 2 hours of searching, I stumbled onto a website forum for the XS650 Yamaha and a thread on changing out the throttle shaft seals on their Mikuni BS34 carbs. Would you believe the throttle shaft and the carb shaft bores are identical AND the seals are still available YAMAHA part # 256-14997-00-00. Called up the local dealer and ordered 6 @ $5.95 each.
[/YAAHOOOOOOO!!!!!b]
1980 KZ1300 B2 converting to an A2. Things I'm working on- Body work- Ducktail mod to rear tailpiece. Add a quarter fairing. Paint - House of Kolor Brandywine/Black. Custom decals. Engine- In house custom ground camshafts with adjustable cam sprockets.7 blade rad fan. DG exhaust pipe.

The following user(s) said Thank You: zed_thirteen, Tonto, stocktoy

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Kawboy's restoration/conversion of a 1980 KZ13 3 years 9 months ago #6403

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Good stuff, I've copy and pasted this info to a Word doc. and am now printing off to put in my KZ1300 binder

Thanks for your hard work on this.

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Kawboy's restoration/conversion of a 1980 KZ13 3 years 9 months ago #6477

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Here's a cute little mod for the drain fitting on the carb bowl. Go get yourself one of these from your model shop,



Drill (clean out) the drain fitting on the carb bowl with a #36 drill bit and tap with a #6-32 tap and install. VOILA!!


Now you can add a piece of 2mm tygon tubing for your wet float test. I'll make up a bracket to come off the side of the carb bowl screw and add the tygon tube. The bracket will have the 6.5mm-8.5mm markings on it. (soon to come)
1980 KZ1300 B2 converting to an A2. Things I'm working on- Body work- Ducktail mod to rear tailpiece. Add a quarter fairing. Paint - House of Kolor Brandywine/Black. Custom decals. Engine- In house custom ground camshafts with adjustable cam sprockets.7 blade rad fan. DG exhaust pipe.

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Kawboy's restoration/conversion of a 1980 KZ13 3 years 5 months ago #7951

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It's unbelievable how fast time flies when you don't pay attention. It's been 4 months and one week since I posted anything on the conversion I'm doing, but that's not to say I've been sitting on my ass. I've had three major projects to do around the house the wife and I bought last April, so in order to keep peace here, I stopped working on the bike and got down and dirty and took care of a few things around the house.

We wanted a wing deck for the BBQ but the builder wanted stupid money for it and I said I would do it. So here it is.




then we needed a driveway. We could have had it paved with asphalt, but for the same money I could buy concrete pavers and just do the grunt work and put in the driveway. So here it is.



Then at the previous house we had a standby generator and it was a godsend so the wife wanted another one. I could have had one installed complete for $10000 or purchase one for $4700 and install so of course, I bought and installed it and as usual, it takes time, but we saved $5300. (No pics of this one)

So, I have time now to spend back on the project. For what ever reason I decided to pull out the rad fan and look at it. There a few posts in the FAAQ section about overheating issues and although I personally believe there's no engineering problem associated with the original design, I've elected to update the rad fan just because I can.

I've picked up a ZRX1200 rad fan from EBay for $40.00. It's a 7 blade design with similar lift in the blades and at first it looked like I could just remove the motor and fan blade and bolt it right in to the old shroud, but of course the bolt pattern was off just enough that I would have to really bastardize the mounting holes to get things bolted up, so I've elected to cut the top half off of the ZRX1200 fan shroud and the bottom half off of the old shroud and weld the 2 shroud halves together. In order to get the right height for each of the pieces I've marked the 2 shrouds with a set of dividers referencing by placing the shrouds on a table and measuring up from the table. That way after it's all welded up the fan blade will be located in the same place as the old fan blade was.




1980 KZ1300 B2 converting to an A2. Things I'm working on- Body work- Ducktail mod to rear tailpiece. Add a quarter fairing. Paint - House of Kolor Brandywine/Black. Custom decals. Engine- In house custom ground camshafts with adjustable cam sprockets.7 blade rad fan. DG exhaust pipe.

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Kawboy's restoration/conversion of a 1980 KZ13 3 years 5 months ago #7962

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driveway suits the house and landscape, better than plain old concrete B) looks good

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Kawboy's restoration/conversion of a 1980 KZ13 3 years 5 months ago #7964

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That's a great job on the house. Obviously you are a man of many talents.

The fan project looks interesting. I look forward to reading about your progress. I wonder how the air volume of the two fans compares, assuming rotation at the same speed.
Have you changed your thermostat for the later type?

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