Author Topic: Yamaha YZR500 Replica Build  (Read 6833 times)

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Offline innovativems

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Yamaha YZR500 Replica Build
« on: May 25, 2018, 04:52:28 PM »
It's in route and I'll reveal what it is next week!  Here's a hint, it's got two wheels.  Mike you can't spill the beans!


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« Last Edit: June 05, 2018, 02:03:56 PM by innovativems »
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Offline 754

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Re: Let's see who can guess what my next bike is
« Reply #1 on: May 25, 2018, 06:30:21 PM »
New or used  ?
 Too Stroke or not too Stroke ?
Maker of the WELDLESS 750 Frame Kit
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Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #2 on: May 25, 2018, 08:49:10 PM »
Used and 2 stroke


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2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
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1974 Honda CB550f
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1973 Kawi h1
1974 gt 550
1974 gt550

Offline Sgt.Pinback

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Re: Let's see who can guess what my next bike is
« Reply #3 on: May 26, 2018, 01:00:02 AM »
A 1974 GT750
Doc, I love a motorcycle!

Offline 02z06dave

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Re: Let's see who can guess what my next bike is
« Reply #4 on: May 26, 2018, 02:46:09 AM »
Rz350

ken65

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Re: Let's see who can guess what my next bike is
« Reply #5 on: May 26, 2018, 03:57:00 AM »
Great little bikes. enjoy. is it a resto or ready to go??

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #6 on: May 26, 2018, 06:08:40 AM »
Rz350
Close


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2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
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1973 Kawi h1
1974 gt 550
1974 gt550

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #7 on: May 26, 2018, 06:09:05 AM »
A 1974 GT750
One of these days.  But it's newer then a buffalo


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #8 on: May 26, 2018, 06:11:33 AM »
Great little bikes. enjoy. is it a resto or ready to go??
It's a started project that I'll finish after the h2


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline 754

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Re: Let's see who can guess what my next bike is
« Reply #9 on: May 26, 2018, 08:09:20 AM »
Yesterday I was thinking...RD 400..
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline ekpent

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Re: Let's see who can guess what my next bike is
« Reply #10 on: May 26, 2018, 08:43:57 AM »
Yesterday I was thinking...RD 400..
I'll go with Frank if an RZ350 was close,or could it be an RD350--Hmmmm

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #11 on: May 26, 2018, 08:46:08 AM »
Think more cyclinders


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline Johnie

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Re: Let's see who can guess what my next bike is
« Reply #12 on: May 26, 2018, 08:59:55 AM »
Like 6 cylinders maybe?
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1973 CB750K3 - Candy Bacchus Olive or Sunflake Orange
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1976 GL1000 Sulphur Yellow

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Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #13 on: May 26, 2018, 10:42:23 AM »
Rz350 is close.  More cyclinders then the rz and less then 6


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
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1973 Kawi h1
1974 gt 550
1974 gt550

Offline 754

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Re: Let's see who can guess what my next bike is
« Reply #14 on: May 26, 2018, 11:34:18 AM »
TZ 700 or TZ 750..
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #15 on: May 26, 2018, 12:08:04 PM »
TZ 700 or TZ 750..
Shoot I wish!  Less cc then that


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline Stev-o

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Re: Let's see who can guess what my next bike is
« Reply #16 on: May 26, 2018, 12:09:39 PM »
RZ 500!




Hope youre taller than him!
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #17 on: May 26, 2018, 01:23:47 PM »
RZ 500!




Hope youre taller than him!
Haha.  You're half right!



Rz500 in tzr250 3ma frame


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #18 on: May 28, 2018, 05:54:14 AM »
The bike is in Cleveland.  She will be here on Friday.  Can’t wait.


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #19 on: May 30, 2018, 05:51:42 AM »
And she’s in Chicago and should be here Friday.  It’s like Christmas!


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #20 on: June 01, 2018, 04:25:08 PM »
And here she is


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #21 on: June 04, 2018, 08:12:21 AM »
Lined the girls up quick.



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2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
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1973 Kawi h1
1974 gt 550
1974 gt550

Offline Stev-o

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Re: Let's see who can guess what my next bike is
« Reply #22 on: June 04, 2018, 03:04:03 PM »
The "Girls" look good!   

That RZ came in a crate?  Didnt think anyone does that anymore
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline innovativems

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Re: Let's see who can guess what my next bike is
« Reply #23 on: June 04, 2018, 07:26:11 PM »
The "Girls" look good!   

That RZ came in a crate?  Didnt think anyone does that anymore

Turns out putting it on a semi was the cheapest  shipping from northern Vermont.  And it helped that he does wood working as a living


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline innovativems

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Re: Yamaha YZR500 Replica Build
« Reply #24 on: June 13, 2018, 05:41:25 AM »
Some assembly required.  Swarbrickracing racing chamber set



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2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
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1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline calj737

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Re: Yamaha YZR500 Replica Build
« Reply #25 on: June 13, 2018, 06:51:32 AM »
Mild steel parts? Bummer. Would be killer if they were stainless  :(

Even though they are mild steel, you would be very smart to back purge weld them. Any time you can eliminate the atmosphere from your welds, you're far better off. Yeah, I know, they're 2-stroke pipes and will be sooty, but the weld will be much stronger and last far longer.
'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline simon#42

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Re: Yamaha YZR500 Replica Build
« Reply #26 on: June 13, 2018, 08:48:20 AM »
the good thing about daves pipes is that they always work , he made me a couple of sets for a tz350 in 1978 !
have had plenty more since , just be very careful to keep the lengh the same when cutting and welding . im not a great fan of this engine but it should make a great bike .

Offline innovativems

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Re: Yamaha YZR500 Replica Build
« Reply #27 on: June 13, 2018, 07:16:45 PM »
Mild steel parts? Bummer. Would be killer if they were stainless  :(

Even though they are mild steel, you would be very smart to back purge weld them. Any time you can eliminate the atmosphere from your welds, you're far better off. Yeah, I know, they're 2-stroke pipes and will be sooty, but the weld will be much stronger and last far longer.

Agreed on, i wish they were stainless.  But hey, if mild steel was good for Wayne Rainey before he rain titanium chambers, then i guess i can get by with them.  I do wish i had some ti ones. 

Thanks for the advise on back purging them!  Will do!
2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline innovativems

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Re: Yamaha YZR500 Replica Build
« Reply #28 on: June 16, 2018, 06:22:01 PM »


Finally swapping over to my 80 gallon compressor, so had to put the ole girl outside for a bit.


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2003 Honda RC51
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1974 Honda CB350f
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1974 Honda CB550f
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1974 gt 550
1974 gt550

Offline innovativems

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Re: Yamaha YZR500 Replica Build
« Reply #29 on: December 27, 2018, 08:38:24 AM »
Been slow on updates.  Got my tail section. 


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2000 Yamaha YSR50
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1975 Honda CB400f
1974 Honda CB350f
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Offline innovativems

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Re: Yamaha YZR500 Replica Build
« Reply #30 on: December 27, 2018, 08:40:10 AM »
So decided I want to do something other then a Rainey replica.  So hello nescafe!


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2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
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Offline innovativems

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Re: Yamaha YZR500 Replica Build
« Reply #31 on: December 27, 2018, 08:49:33 AM »
Also got my ohlins axial style forks from an Aprilia RSV with brembo calipers for the front.  And am going to go with dymag magnesium wheels after I get my rear wheel width figured out



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2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
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1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline seanbarney41

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Re: Yamaha YZR500 Replica Build
« Reply #32 on: December 27, 2018, 09:32:05 AM »
You really don't mess around with ordinary parts...
If it works good, it looks good...

Offline 754

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Re: Yamaha YZR500 Replica Build
« Reply #33 on: December 27, 2018, 10:29:37 AM »
 I like the blue triple trees. .
Maker of the WELDLESS 750 Frame Kit
dodogas99@gmail.com
Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way

Offline innovativems

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Re: Yamaha YZR500 Replica Build
« Reply #34 on: December 27, 2018, 11:05:48 AM »
You really don't mess around with ordinary parts...
Haha.  Guilty as charged.  Always wanted to do one of these and my zx7 kawi triple.  Figured might as well go all in


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline innovativems

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Re: Yamaha YZR500 Replica Build
« Reply #35 on: December 27, 2018, 11:06:19 AM »
I like the blue triple trees. .

You and me both.  They are off a Colin Edwards edition Aprilia RSV mille. 


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2007 KTM 990 adv
2003 Honda RC51
2000 Yamaha YSR50
1978 Honda Express
1975 Honda CB400f
1974 Honda CB350f
1974 Kawi H2
1974 Honda CB550f
1971 Kawi h1
1973 Kawi h1
1974 gt 550
1974 gt550

Offline Stev-o

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Re: Yamaha YZR500 Replica Build
« Reply #36 on: December 31, 2018, 12:04:20 PM »
You really don't mess around with ordinary parts...
Haha.  Guilty as charged.  Always wanted to do one of these and my zx7 kawi triple.  Figured might as well go all in


You are all in!  Looking good...
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........