Author Topic: rocker box leak  (Read 1256 times)

Offline tim

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rocker box leak
« on: 09.09. 2018 15:12 »
Anybody used the new type copper rocker box gaskets to cure an oil leak on an A7? Or any other suggestions?-please.

Offline bsa-bill

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Re: rocker box leak
« Reply #1 on: 09.09. 2018 15:29 »
not yet, next time (I don't venture in there unless there's a need)
A lot of paper r/b gasket sold today are not quite wide enough in one part of the rear gasket
All the best - Bill
1961 Flash - stock, reliable, steady, fantastic for shopping
1959 Rocket Gold Flash - blinged and tarted up  would have seizure if taken to  Tesco

Offline a101960

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Re: rocker box leak
« Reply #2 on: 09.09. 2018 16:37 »
Quote
Anybody used the new type copper rocker box gaskets to cure an oil leak on an A7? Or any other suggestions?-please.
Yes I have used them. My rocker cover no longer leaks, a very worthwhile modification in my opinion.
John

Offline RichardL

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Re: rocker box leak
« Reply #3 on: 09.09. 2018 17:26 »
When it comes to leaky rocker box gaskets, I suggest you read the thread starting with John's (chaterlea25) post about making an improved head steady.

Here it is: https://www.a7a10.net/forum/index.php?topic=2912.msg19633#msg19633

Richard L.

Offline TT John

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Re: rocker box leak
« Reply #4 on: 10.09. 2018 16:35 »
Tim
I supply solid rocker box gaskets and I have sold quite a few sets, never had a complaint yet, they are very good and unless you have a real nasty grove in the mating surfaces you will no longer have any leak from there, complete set is £16 plus p+p.

Kind regards TTJohn

Offline lawnmowerman

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Re: rocker box leak
« Reply #5 on: 10.09. 2018 17:26 »
Tim
I supply solid rocker box gaskets and I have sold quite a few sets, never had a complaint yet, they are very good and unless you have a real nasty grove in the mating surfaces you will no longer have any leak from there, complete set is £16 plus p+p.

Kind regards TTJohn

Hi John

Will you be at Hamstreet this Sunday - if so I will pick a set up from you.

Jim (AMOC)
1959 A10 SR
1938 Wolseley 14/60
1955 Ferguson TEF20 tractor
1965 Ferguson 135 tractor
1952 Matchless G80 rigid
1960 BMW R60
1954 Matchless G80S
1955 Ariel 500 VH
1951 Sunbeam S7DL
1960 Matchless G12 with Watsonian Monza
......and loads of lawnmowers

Too old to Rock and Roll but too young to die  (Jethro Tull 1976)

Offline S-O Skott

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Re: rocker box leak
« Reply #6 on: 10.09. 2018 19:20 »
Quote from: TT John on Today at 16:35
Tim
I supply solid rocker box gaskets and I have sold quite a few sets, never had a complaint yet, they are very good and unless you have a real nasty grove in the mating surfaces you will no longer have any leak from there, complete set is £16 plus p+p.

Kind regards TTJohn

Hi,


I'm also interesting in those gaskets and I'm living in Sweden. How can I order a set?


Best regards

Skott


Offline TT John

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Re: rocker box leak
« Reply #7 on: 10.09. 2018 19:58 »
Hello Jim,

Yes, I will be at Ham Street on Sunday, I will have a stall there, I will also have BSA M20 head gaskets also, plus loads more stuff.

Regards John

Offline TT John

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Re: rocker box leak
« Reply #8 on: 10.09. 2018 20:06 »
Skott.

I can post to Sweden, no problem, I take pay pal payment, as a gift please or I get charged 10% commission, a set of gaskets  £16 plus £5 p+p to Sweden making a total of £21, the gaskets will be sent as soon as I receive payment.

Many thanks TTJohn

mod edit: email removed, members can PM or mail

Offline S-O Skott

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Re: rocker box leak
« Reply #9 on: 10.09. 2018 20:55 »
Now I have sent you 21,00£, the adress is to L-J Skott in KALIX Sweden


Offline lawnmowerman

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Re: rocker box leak
« Reply #10 on: 10.09. 2018 22:09 »
Hello Jim,

Yes, I will be at Ham Street on Sunday, I will have a stall there, I will also have BSA M20 head gaskets also, plus loads more stuff.

Regards John

OK mate - see you there.

Jim
1959 A10 SR
1938 Wolseley 14/60
1955 Ferguson TEF20 tractor
1965 Ferguson 135 tractor
1952 Matchless G80 rigid
1960 BMW R60
1954 Matchless G80S
1955 Ariel 500 VH
1951 Sunbeam S7DL
1960 Matchless G12 with Watsonian Monza
......and loads of lawnmowers

Too old to Rock and Roll but too young to die  (Jethro Tull 1976)

Offline RichardL

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Re: rocker box leak
« Reply #11 on: 14.08. 2024 03:30 »
Well, about 20 topics relating to rocker box leaks, so I just picked the one at the top of the list for posting this silliness.

Went out to the annual Chicago Norton Owner's Club Vintage Motorcycle Show on Sunday. Didn't take many pictures, and that's not my reason for writing anyway, but I did love the 1915 Indian in the attached photo. 

Having arrived late to the show, after rushing my bike together (after working until 2:00 AM with my son on his Volkswagon brakes),  I didn't exhibit for voting. One of the things I DID NOT do in a hurry on Sunday was mount my rocker box. That was a couple weeks earlier. First ride after mouting the box, I noticed significant oil on the top fin of the head, obviously from the rocker box. OK, tightened-down the box a bit, because the bolts did feel a bit slack. On the ride to the show (18 mi. one way), a lot less oil was drenching the works, but still plenty there. Annoying, I told myself, and decided to determine the oil's exact point of departure. This is where the silliness comes in. I cut a doggy pee pad into several strips and wrapped them around the rocker box, secured by twisted wire (should have taken a picture). Took a five-mile ride around town to see if anything was revealed. Abso-*******-lutely! Big oil stain right above the left side of the intake. Today, asked myself, "What the hell is going on?" It didn't take me long to consider that the rocker box gasket might have gotten folded over when installing the box. About two seconds with a very thin artist's pallete knife testing the gasket (my favorite tool. I think) and I found the knife slipping right through the gasket gap where the stain was on the pee pad.  Haven't disassembled yet, but confident I won't make that mistake again.

Richard L.


Offline RichardL

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Re: rocker box leak
« Reply #12 on: 14.08. 2024 05:12 »
Why does it always seem that what could be an amusing short story turns into a book?  *eek* *countdown* *conf2* *smile*

Online rocker21

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Re: rocker box leak
« Reply #13 on: 14.08. 2024 10:10 »
i have used the copper gaskets, end of problem !!! it just works
1960 A7SS, 1954 Ariel fieldmaster 500 twin, motoguzzi Monza 500, motoguzzi V7III special, new triumph speed 400

Offline RichardL

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Re: rocker box leak
« Reply #14 on: 14.08. 2024 15:44 »
A picture is worth a thousand words, or, in my case, a million. *computer*

Richard L.