Honda CB750 Sandcast
General Category => "88 Model Distinctions" => Topic started by: bojje on March 10, 2018, 09:19:06 am
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E7414 has a strange clutch cover. I have seen 10-holed with a alloypin mounted in tenth hole but never as on E7414. The clutch cover is casted as a 10-hole but the tenth hole is alloyfilled by casting. Enginecase is a normal sandcast ninehole.
Bo
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Wow !! Wow !! Wow !! frankly there... It's a huge scoop that you made see !! :o :o :o :o
Because it is a 9/10 cover that was mounted on French sandcast series E-1014000 and E-1017000 in March and April 1970....
This could mean that they were already out of stock for the 9-hole clutch covers for the last Sandcast engine officially released from the production lines around November 1969... Is it possible ?
In my opinion it should not be the only one, on the latest engines in series E-1007000...
Because it seems to me that Kp had seen an identical clutch cover for sale on Ebay US...And I remember he had regretted not having bought it thinking it was a fake clutch cover ...
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Bo and Gerard ! really great stuff you are sharing and thank you for the pictures ! so. a question. are there more than one version of this "10-1 hole" cover" ? one type is like you have pictured, the cover designed for a 10th hole, but hole not drilled. are other covers drilled with a plug in the 10th hole ?
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Steve, No... they are not pierced on the tenth hole, they took the clutch cover 10 holes of Diecast production by changing the setting program of the machine tools to do only 9 holes...
This is clearly visible in the photos and there is no plug on the tenth hole because it was not pierced...
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Steve, No... they are not pierced on the tenth hole, they took the clutch cover 10 holes of Diecast production by changing the setting program of the machine tools to do only 9 holes...
This is clearly visible in the photos and there is no plug on the tenth hole because it was not pierced...
Hi Gerard,
in your cover, i am not asking if 10th hole has plug. (it has no plug.)
i am asking if there is another type of cover. a cover where 10th hole has plug.
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Steve sorry, But I do not understand what the translator translates me, He is not very cool with me... ;D
I changed translator ...
Think the clutch cover with a plug that we see a few times on Ebay or elsewhere have not been made by Honda... These are fake...
In the photo, we see that this cover is not a K0 Diecast early but rather a K2 see even late K3, so it's a fake...
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Bojje, Is it possible to have a picture of the inside of your 7414 cover ?
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I don't know if this question has been asked but does anyone know why they went from 9 to 10 holes? Was there a design flaw that Honda was trying to correct? Interesting stuff.
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Steve sorry, But I do not understand what the translator translates me, He is not very cool with me... ;D
I changed translator ...
I think the clutch cover with a plug that we see a few times on Ebay or elsewhere have not been made by Honda... These are fake...
In the photo, we see that this cover is not a K0 Diecast early but rather a K2 see even late K3, so it's a fake...
Is that what you want to ask me ?
Yes sir ! so.... as far as we know, there is only one version of this 10-1=9 hole cover?
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I don't know if this question has been asked but does anyone know why they went from 9 to 10 holes? Was there a design flaw that Honda was trying to correct? Interesting stuff.
It seems to me that it was a cause of oozing oil... ???
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Hi!
Tomorrow when I am back at garage I will post a picture of backside.
About the plugged 10:th hole I am pretty sure Honda has delivered them while the guy I bought #5119/5065 back in 2007 had one brand new in a Honda plasticbag. Maybee Honda produced 10-holes and mounted a plug as spareparts for aftermarket. Just a thought, if I am wright or wrong is up to you.
Bo
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Hi!
Tomorrow when I am back at garage I will post a picture of backside.
About the plugged 10:th hole I am pretty sure Honda has delivered them while the guy I bought #5119/5065 back in 2007 had one brand new in a Honda plasticbag. Maybee Honda produced 10-holes and mounted a plug as spareparts for aftermarket. Just a thought, if I am wright or wrong is up to you.
Bo
Hello Bo, It would also take a picture of very close to the front and the back of the tenth hole that is not pierced to be sure that was not recharged with solder ... because I have a little doubt ...
Thanks, Gerard
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Whilst we’re talking about 9 hole clutch cover, there were 2 versions. The first version did not have much gasket face area where they eventually placed the tenth hole. Honda in an attempt to fix the oil seepage problem brought out a second version which had a wider gasket face. These mustn’t have solved the problem as the resultant 10 hole cover never got additional mounting points. I believe Chris R posted about these 2 x 9 hole cover versions some years back. Some time in the future I’ll post photos of these 2 covers if it’s not posted sooner.
As for the 10 - 1 cover, (bless you Mr Swan), Gerard has convinced me that the non-machine hole cover is the Honda one and the others are ring’ins
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Hello Kp, what does it mean : the others are ring'ins?
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Hello Kp, what does it mean : the others are ring'ins?
"ring'ins" is the Australian term for fake.
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Hello Kp, what does it mean : the others are ring'ins?
"ring'ins" is the Australian term for fake.
;D
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Hi!
Down below you can look at both inside and outside of E7414 clutch cover.
Bo
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Bo ;) the photo of inside is blurry, I can not give an objective opinion ... to know if this cover would have been reloaded and resurfaced for the tenth hole... Can you do better, please ?
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Hi Gerard!
Hope these photos are better. Now the clutchcover has been glassperl blasted and tromboled. It only needs polishing, smooth grinding and clearcoat.
Bo
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Thank you Bojje for these good photos... ;)
We are advancing step by step but with certainty with what you bring... Now, we have the proof that this lid is authentic and of the same manufacture as the covers of French series Sandcast 14000 and 17000...