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Enthusiasts from around the world dedicated to the preservation and ritual flogging of the infamous Kawasaki 2-stroke Triples
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PostPosted: Wed May 31, 2017 3:02 am 
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Joined: Thu Jun 09, 2011 3:06 am
Posts: 4364
Location: PARIS FRANCE
horn is upside down :shock:


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PostPosted: Wed May 31, 2017 4:41 am 
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Joined: Tue Jun 07, 2011 6:36 am
Posts: 2691
Location: Dandridge, TN, USA
This isn't H2 but IS correct mounting:
http://kawatriple.com/kh400a5/0576.jpg

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PostPosted: Wed May 31, 2017 10:23 pm 
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Joined: Thu Sep 29, 2016 4:32 am
Posts: 615
Location: Indianapolis, IN
Mine must have the wrong mount then. It fouls the frame gusset when I try to mount it upwards, or the right way. If I could find some sort of dimensions I could make the mount, actually three thin plates. A center to center and bend angle would do it.

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1974 Kawasaki H2B 750, 1981 Yamaha XV750 Cafe, 1986 Kawasaki KDX200, 2003 Honda XR100, 2004 SDG140. 2006 Ninja 500R Turbo intercooled fuel injected.


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PostPosted: Fri Jun 02, 2017 9:28 pm 

Joined: Sat Oct 04, 2014 3:45 am
Posts: 796
Location: Cen Tex
Can you read the numbers on it? Mine has TPAR 772 among others...

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H2B..... H1E..... Z1B ..... RD350...... X6 Hustler..... TS250.... CB750 ..... CB550...... and a Bomber!!


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PostPosted: Fri Jun 02, 2017 10:25 pm 
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Joined: Thu Sep 29, 2016 4:32 am
Posts: 615
Location: Indianapolis, IN
I didn't see any numbers on the mount, the whole horn was in rough shape. I think I will position it where it should sit and just make a bracket.

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1974 Kawasaki H2B 750, 1981 Yamaha XV750 Cafe, 1986 Kawasaki KDX200, 2003 Honda XR100, 2004 SDG140. 2006 Ninja 500R Turbo intercooled fuel injected.


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PostPosted: Fri Jun 02, 2017 10:30 pm 
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Joined: Thu Sep 29, 2016 4:32 am
Posts: 615
Location: Indianapolis, IN
Got the head pipes done. Finished the pipe layout, will make the first test one in mild steel sheet, then if it fits how I like it and forms well I will make them in 304 stainless. Looks like the two outer pipes can be identical, but the center one will be a bit tricky.


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1974 Kawasaki H2B 750, 1981 Yamaha XV750 Cafe, 1986 Kawasaki KDX200, 2003 Honda XR100, 2004 SDG140. 2006 Ninja 500R Turbo intercooled fuel injected.


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PostPosted: Sun Jun 04, 2017 11:19 pm 
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Joined: Thu Sep 29, 2016 4:32 am
Posts: 615
Location: Indianapolis, IN
I got the first mild steel test pipe hydroformed today. I thought it went pretty good, considering I have never tried it before. None of my welds split. it has two peaks I don't like where the diffuser cone meets the belly, so I will blend those in more on the stainless pipes. It straightened out a little so I will add some more bend early in the pipe. Also I noticed that the smaller parts of the pipe, the first part of the diffuser, were undersized to what they should be, I think it's because there is less press area to stretch out. So I will increase that portion. I did not need hardly 1000 psi to do it, I think you could form .050" stainless ok if you needed that.


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1974 Kawasaki H2B 750, 1981 Yamaha XV750 Cafe, 1986 Kawasaki KDX200, 2003 Honda XR100, 2004 SDG140. 2006 Ninja 500R Turbo intercooled fuel injected.


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PostPosted: Fri Jun 09, 2017 3:53 pm 
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Joined: Tue Jul 12, 2011 11:39 am
Posts: 78
Location: Cleveland, Ohio
Amazing work! I should just quit now. Any updates on that long 3d print a few posts back? Just curious as to how it came out.

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PostPosted: Sat Jun 10, 2017 10:00 am 
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Joined: Thu Sep 29, 2016 4:32 am
Posts: 615
Location: Indianapolis, IN
Thanks. The 3D printed air box didn't complete, I have had problems with the printer and that one was longer than most so it uncovered what was wrong, the filament was binding in the feed tube so I totally changed all of that. I will split the box up into 4 sections now and glue them together, it was going to be a 2 piece. See if I can get that going this weekend.

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1974 Kawasaki H2B 750, 1981 Yamaha XV750 Cafe, 1986 Kawasaki KDX200, 2003 Honda XR100, 2004 SDG140. 2006 Ninja 500R Turbo intercooled fuel injected.


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PostPosted: Sun Jun 11, 2017 10:38 pm 
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Joined: Thu Sep 29, 2016 4:32 am
Posts: 615
Location: Indianapolis, IN
3D printer is working much better now, got a first center side section done, more to come....


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1974 Kawasaki H2B 750, 1981 Yamaha XV750 Cafe, 1986 Kawasaki KDX200, 2003 Honda XR100, 2004 SDG140. 2006 Ninja 500R Turbo intercooled fuel injected.


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