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Author Topic: JMR billet block build with RSC 970 transmission  (Read 7056 times)

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Offline bigutah

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Re: JMR billet block build with RSC 970 transmission
« Reply #100 on: April 24, 2025, 10:22:22 PM »



Genuine RSC tach backing plate to replace the replica one that also came from KMB69 estate to go with genuine tach and oil pressure gauge, nice little touch. Rip keith.


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Offline bigutah

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Re: JMR billet block build with RSC 970 transmission
« Reply #101 on: April 27, 2025, 11:53:35 PM »





Next post will be a run video link….this is just a tease. Hahaha


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Offline MauiK3

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Re: JMR billet block build with RSC 970 transmission
« Reply #102 on: April 28, 2025, 07:49:56 AM »
I think this is a possible Bike of the Month, beautiful machine.
I nominate this bike for BOM, anyone like to second it?
Then BigUtah has to accept.
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1973 CB 750 K3
10/72 build Z1 Kawasaki

Offline PeWe

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Re: JMR billet block build with RSC 970 transmission
« Reply #103 on: April 28, 2025, 07:55:23 AM »
Quote from: MauiK3 on April 28, 2025, 07:49:56 AM
I think this is a possible Bike of the Month, beautiful machine.
I nominate this bike for BOM, anyone like to second it?
Then BigUtah has to accept.
I fully agree! I nominate too.
A beautiful bike that most likely will have a nice roaring sound! ;D
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CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline Don R

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Re: JMR billet block build with RSC 970 transmission
« Reply #104 on: April 28, 2025, 08:46:43 AM »
 It's difficult to spot a part that hasn't been modified or replaced with a better one. I can certainly appreciate the level of commitment to that project.
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Offline MauiK3

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Re: JMR billet block build with RSC 970 transmission
« Reply #105 on: April 28, 2025, 02:12:31 PM »
Just to check a box, PeeWe, do you second the nomination?
This is one impressive bike.
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1973 CB 750 K3
10/72 build Z1 Kawasaki

Offline bigutah

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Re: JMR billet block build with RSC 970 transmission
« Reply #106 on: April 28, 2025, 03:08:09 PM »
I accept nominations from all! And you haven’t seen it with the NOS tank yet!


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Offline PeWe

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Re: JMR billet block build with RSC 970 transmission
« Reply #107 on: April 28, 2025, 08:14:51 PM »
Quote from: MauiK3 on April 28, 2025, 02:12:31 PM
Just to check a box, PeeWe, do you second the nomination?
This is one impressive bike.
Yes
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CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline scottly

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Re: JMR billet block build with RSC 970 transmission
« Reply #108 on: April 28, 2025, 08:19:55 PM »
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Offline Tracksnblades1

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Re: JMR billet block build with RSC 970 transmission
« Reply #109 on: April 29, 2025, 01:38:57 AM »
Quote from: scottly on April 28, 2025, 08:19:55 PM
Didn't this bike already win BOTM??
http://forums.sohc4.net/index.php/topic,195257.0.html

His JMR Stage 4 cylinder head shows 33.5 mm intakes too in his list of goodies…🤔🤔
In the provided link….🤔🤔
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Offline MauiK3

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Re: JMR billet block build with RSC 970 transmission
« Reply #110 on: April 30, 2025, 07:48:56 AM »
hmmm, is it the same bike?
Looks like it, oops
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1973 CB 750 K3
10/72 build Z1 Kawasaki

Offline newday777

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Re: JMR billet block build with RSC 970 transmission
« Reply #111 on: April 30, 2025, 08:36:30 AM »
Quote from: MauiK3 on April 30, 2025, 07:48:56 AM
hmmm, is it the same bike?
Looks like it, oops
Upgraded
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Stu
Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline Jerry Rxman Griffin aka MuthaF'er

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Re: JMR billet block build with RSC 970 transmission
« Reply #112 on: April 30, 2025, 10:02:02 AM »
Moving right along. I'm looking forward to seeing it do so under it's own power soon.

Did I miss information on an estate sale of Keith's massive amazing stash? I was fortunate to see it in person a few years back.
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline Tracksnblades1

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Re: JMR billet block build with RSC 970 transmission
« Reply #113 on: May 01, 2025, 07:26:24 PM »
Quote from: Jerry Rxman Griffin aka MuthaF'er on April 30, 2025, 10:02:02 AM
Moving right along. I'm looking forward to seeing it do so under it's own power soon.

Did I miss information on an estate sale of Keith's massive amazing stash? I was fortunate to see it in person a few years back.

I don’t think you’re the only one that missed it…?
I was hoping it was well advertised here for Keith and his family …but I didn’t see anything here about it…?
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Offline Finnigan

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Re: JMR billet block build with RSC 970 transmission
« Reply #114 on: May 02, 2025, 09:13:52 AM »
Quote from: Tracksnblades1 on May 01, 2025, 07:26:24 PM
Quote from: Jerry Rxman Griffin aka MuthaF'er on April 30, 2025, 10:02:02 AM
Moving right along. I'm looking forward to seeing it do so under it's own power soon.

Did I miss information on an estate sale of Keith's massive amazing stash? I was fortunate to see it in person a few years back.

I don’t think you’re the only one that missed it…?
I was hoping it was well advertised here for Keith and his family …but I didn’t see anything here about it…?

Would have been amazing to see the pieces available
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Offline bigutah

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Re: JMR billet block build with RSC 970 transmission
« Reply #115 on: May 02, 2025, 03:09:30 PM »

One motorcycle show, 2025 Portland Oregon.


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Offline bigutah

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Re: JMR billet block build with RSC 970 transmission
« Reply #116 on: June 16, 2025, 10:04:50 PM »



So I thought it was time for some high res stuff, Bike is the most charismatic motorcycle i have ever rode.


Oddly I have a k6 I’m going to play with now. A man can’t ever have a finished project and nothing to replace it with, or he goes insane


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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: JMR billet block build with RSC 970 transmission
« Reply #117 on: June 17, 2025, 03:39:18 PM »
Strictly as work of art. You are to be congratulated.

Now, my question, where is the dyno graph??  ;D
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline Stev-o

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Re: JMR billet block build with RSC 970 transmission
« Reply #118 on: June 18, 2025, 09:30:37 AM »
Quote from: bigutah on June 16, 2025, 10:04:50 PM


So I thought it was time for some high res stuff, Bike is the most charismatic motorcycle i have ever rode.

Simply gorgeous!  What and where is that bike show?

And +1 ... dyno sheet?!
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'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........
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