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Author Topic: Primary damper CB750  (Read 1159 times)

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Offline Jens77

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Primary damper CB750
« on: January 06, 2019, 02:57:11 pm »
Hi...does anybody knows how hard these rubbers are?
How many shore?
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Offline beemerbum

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Re: Primary damper CB750
« Reply #1 on: January 06, 2019, 05:17:09 pm »
???
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Offline Tracksnblades1

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Re: Primary damper CB750
« Reply #2 on: January 06, 2019, 06:46:09 pm »
I think he's looking for durometer on this side of the pond.
If someone knows the durometer he'll be able to convert it to shores.
Jen, Cycle X, USA sells replacements, but shipping might be a witch.

Prosperity to all in 2019
« Last Edit: January 06, 2019, 06:49:28 pm by Tracksnblades1 »
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Offline Tracksnblades1

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Re: Primary damper CB750
« Reply #3 on: January 06, 2019, 09:24:17 pm »
Jen, you might pm Mirko. He's on yours side of globe. Top of his game,I might add.
Goes by MessnerMoto on here.  He's had these apart and made new designs of them.
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Offline RAZZ

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Re: Primary damper CB750
« Reply #4 on: January 07, 2019, 11:38:41 am »
Hi jens

I had my primary gear rubbers and needle bearings changed here: http://www.fourever-classic-parts.de/index.php?option=com_content&view=article&id=26&Itemid=31




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Offline RAZZ

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Re: Primary damper CB750
« Reply #5 on: January 07, 2019, 11:40:16 am »
Or you Can try here ( just learned about tis page ) http://www.stammtisch-muensterland.de/Club-Shop/Alle-Nachfertigungen


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Offline PeWe

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Re: Primary damper CB750
« Reply #6 on: January 07, 2019, 09:23:43 pm »
Quote from: RAZZ on January 07, 2019, 11:38:41 am
Hi jens

I had my primary gear rubbers and needle bearings changed here: http://www.fourever-classic-parts.de/index.php?option=com_content&view=article&id=26&Itemid=31

I have let them do 2 hubs for me.
It's very convenient to get the job done by them. For a fair price too.
Return shipping to Sweden was 15€ 3 years ago. Shipping to them almost double.
Rivet the primary hub need experience to be sure to get it right.
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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 Jens77

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Re: Primary damper CB750
« Reply #7 on: January 08, 2019, 12:33:15 pm »
OK...thanks for your help. But still interested in the quality of these rubber parts.
Are they all the same or everybody has different...Hmmm
Motorbiking in Sweden would be great 😀
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Offline PeWe

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Re: Primary damper CB750
« Reply #8 on: January 08, 2019, 01:30:16 pm »
It was a wonderful bike season last year. Let's hope 2019 will be good too.
Send an e-mail to Ralph-Peter Nagel about the rubber quality. Like how many hp it is OK with
nagel@fourever-classic-parts.de  No problem to write in English.
He provide engine tuning up to 93 whp so the rubber must be OK with that in the long run.
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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 Aurelia B20

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    • Honda workshop in Lyon (France)
Re: Primary damper CB750
« Reply #9 on: March 05, 2020, 09:37:09 am »
You can find these rubbers in France too, here http://www.honda60-70s.net/Pieces/23110-300-030_GB/23110-300-030_gb.html, perfect quality for perfect use !  8)
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Patrick
________________________________________________________________________________________
CB 750 K1 - CB 500 K1 - CB 450 K2 - CB 350 K2 - SL125 K1 - Dax ST70 - C50M 1975 - CF50 1967 - CZ100 1965

Offline scrambler

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Re: Primary damper CB750
« Reply #10 on: March 05, 2020, 09:54:58 am »
Quote from: RAZZ on January 07, 2019, 11:38:41 am
Hi jens

I had my primary gear rubbers and needle bearings changed here: http://www.fourever-classic-parts.de/index.php?option=com_content&view=article&id=26&Itemid=31




Sent from my iPhone using Tapatalk


I emailed these guys the other day but they no longer send anything to the US because customs suck. Their kit is much cheaper though than cycle-x. I will just disassemble mine and get a kit probably from cycle x and put it together.
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