KZR's Bikes of the Month for 2024

1300 Street Cruiser

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10 Mar 2007 06:48 #118901 by KZQ
1300 Street Cruiser was created by KZQ
Hey Folks,
I've got the parts I need to finish putting the rear end on my 85 1300 so now I'm planning the radiator relocation effort. To do that I need to learn how to weld aluminum tubing. Here are my first attempts.
Just some practice on flat stock.

Post edited by: KZCSI, at: 2007/03/10 09:49

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1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
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10 Mar 2007 06:52 #118902 by KZQ
Replied by KZQ on topic 1300 Street Cruiser
Here's my practice piece on tubing.


These tubes are only 25.6mm (1 inch) in diameter. In order to do the job I'll need 35.2mm (1 3/8 inch ) tubing. I've already found the tubing. What I need is a source for is 35.2 mm elbows made from relatively thin wall aluminum tubing.

Does any body know of a source?

TIA
KZCSI

Post edited by: KZCSI, at: 2007/03/10 09:58

www.KZ1300.com
Riders:
1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
Projects:
1985 ZN1300
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10 Mar 2007 07:01 #118906 by KZQ
Replied by KZQ on topic 1300 Street Cruiser
The proper name of the parts I'm needing is "weld ell". If I could find a source of aluminum hand railing parts that would be a good start.

KZCSI

www.KZ1300.com
Riders:
1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
Projects:
1985 ZN1300

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10 Mar 2007 10:52 #118975 by wireman
Replied by wireman on topic 1300 Street Cruiser
have you tried a welding shop for the parts?or how about welding up some aluminum rods into a 90 to go inside of the tubes instead of outside;)

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10 Mar 2007 11:22 #118981 by 77KZ650
Replied by 77KZ650 on topic 1300 Street Cruiser
just curious, why cant you use a rad hose like a car or new bike? braided stainless steel hoses look nice!:)

07 MDP Rookie of the Year
01 ZX-12R street/drag bike. 8.97 @155.7 pump gas, dot tires, no bars, no power adders. top speed in the 1/4: 161MPH

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10 Mar 2007 12:45 #119009 by wireman
Replied by wireman on topic 1300 Street Cruiser
77KZ650 wrote:

just curious, why cant you use a rad hose like a car or new bike? braided stainless steel hoses look nice!:)

oopsies:S i thought you were building some sort of mounting bracket to mount the radiator ,my bad!;)if you want to use it as radiator line how about getting some rigid aluminum electrical conduit and bending it into the shape you need?;)

Post edited by: wireman, at: 2007/03/10 15:48

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10 Mar 2007 14:10 #119033 by KZQ
Replied by KZQ on topic 1300 Street Cruiser
Thanks wireman,
I hadn't considered aluminum conduit. I could bend it with a mandrel bender. I have several electrician friends who might loan me the use of one.

Thanks
KZCSI

Thanks

www.KZ1300.com
Riders:
1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
Projects:
1985 ZN1300

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10 Mar 2007 16:21 #119053 by wireman
Replied by wireman on topic 1300 Street Cruiser
it actually bends pretty easy with a regular conduit bender if you dont go over 90 degrees too fast;)

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10 Mar 2007 16:26 #119057 by Bad Kaw
Replied by Bad Kaw on topic 1300 Street Cruiser
I don't know about aluminum, but I will tell you what I heard today from a friend of mine who works at the state office building. He said that fuel may reach near $4/gallons this summer, but more importantly the price of steel (didn't ask about aluminum) is going to double wihin a month.

I've known this guy to be wrong...but only very rarely (the stuff he talks about is speculation of government officials...so there ya go). I don't know how much your project is going to cost you, but if there is anything to what he said, you might take that into consideration.

Sure looks like you picked up the 'knack' for aluminum welding pretty quickly...well done.

-KR

78 Kawasaki Z1R
81 Kawasaki KZ1000J (mods)
82 Kawasaki ELR Clone (1000 J)
82 Kawasaki KZ750R1/GPz750 ELR-ed
70 Kawasaki KV75
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10 Mar 2007 21:24 #119129 by KZQ
Replied by KZQ on topic 1300 Street Cruiser
Hey Wireman,
I realize that 3/4" and even 1" can be bent by hand, but can you also handle 1 3/8", probably 1 1/4" by hand as well?

KZCSI

www.KZ1300.com
Riders:
1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
Projects:
1985 ZN1300

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07 Apr 2007 19:09 #127534 by KZQ
Replied by KZQ on topic 1300 Street Cruiser
I ended up going with 1 3/8" stainless steel tubing because it can more easily be bent to 4" radius. I picked up the pieces and parts this last week and could hardly wait till Saturday to get to fabbing up the tubes.

I was right the coolant tubes look somewhat like extra exhaust pipes.







I still have to make the connections at the rear end and add an air bleed at the top before I really weld them up liquid tight.

KZCSI

Post edited by: KZCSI, at: 2007/04/07 22:12

www.KZ1300.com
Riders:
1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
Projects:
1985 ZN1300

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07 Apr 2007 19:39 #127547 by scumbag
Replied by scumbag on topic 1300 Street Cruiser
that makes teh front end look sooo sooo sooo much better...thumbs up to you indeed...so where are you going to mount the rad?

sept.1976 kz650
1980 kz650

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