VH bronze head valve lifter
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VH bronze head valve lifter
Good evening
I have a 1934 ariel special with a bronze head on a vh engine. I have the exhaust valve lifter in the rocker cover and I can see the slotted hole the cable needs to go through but do not have an adjuster. I have scoured the books and parts lists but have not been able to find a picture. Is anyone able to put a picture of what it should look like on here please and maybe advise on a threaded cable adjuster to purchase.
Many thanks in advance
I have attached a couple of pictures.
Regards
Graeme
I have a 1934 ariel special with a bronze head on a vh engine. I have the exhaust valve lifter in the rocker cover and I can see the slotted hole the cable needs to go through but do not have an adjuster. I have scoured the books and parts lists but have not been able to find a picture. Is anyone able to put a picture of what it should look like on here please and maybe advise on a threaded cable adjuster to purchase.
Many thanks in advance
I have attached a couple of pictures.
Regards
Graeme
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Re: VH bronze head valve lifter
355-34 on pages 4 and 5 of '35 parts book in members area?? (or 6 and 7 in '37)
Also it looks like you have the exhaust valve 'lubrication' hole in your head? - pipe work also in '35 parts book.
Also it looks like you have the exhaust valve 'lubrication' hole in your head? - pipe work also in '35 parts book.
'25 Sunbeam 5 sports, '37 VH, '50 Magnat Debon M4, '53 AJS 20
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Re: VH bronze head valve lifter
Thanks, I did check it out in the parts book I'm not sure how the assembly goes together though. Any idea where the parts might be available from?
Regards
Graeme
Regards
Graeme
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Re: VH bronze head valve lifter
Thanks, I did check it out in the parts book I'm not sure how the assembly goes together though. Any idea where the parts might be available from?
Regards
Graeme
Regards
Graeme
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Re: VH bronze head valve lifter
Sorry to be a pain, which is the lubrication hole you've identified?
Regards
Graeme
Regards
Graeme
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Re: VH bronze head valve lifter
It is the hole just in from the spring shroud in the middle fin just by the end of the threaded end of the lifter - there should be another by the inlet valve as well?
The casting for the heads anticipate the later side entry for the inlet valve with a blank 'butress' but is not drilled out - some design discussion going on there! Would be interesting to see what your head has on the nearside.
I'll post a picture or two tomorrow of a VG head...
Someone may have a spare adjuster knocking about; having deigned to go for the later '38 head which solves the lubrication issues in a better and less messy way
The casting for the heads anticipate the later side entry for the inlet valve with a blank 'butress' but is not drilled out - some design discussion going on there! Would be interesting to see what your head has on the nearside.
I'll post a picture or two tomorrow of a VG head...
Someone may have a spare adjuster knocking about; having deigned to go for the later '38 head which solves the lubrication issues in a better and less messy way
'25 Sunbeam 5 sports, '37 VH, '50 Magnat Debon M4, '53 AJS 20
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Re: VH bronze head valve lifter
Thanks very much, this is my first Ariel so a steep learning curve!
I'll see if I have the inlet side on a picture as well.
Regards
Graeme
I'll see if I have the inlet side on a picture as well.
Regards
Graeme
- Roger Gwynn
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Re: VH bronze head valve lifter
The thread is 1/4 CEI, the adjuster for sv models is almost the same, S25-2 and readily available from your local dealer, the lock nut is 361-31 currently out of stock but is a std nut with a slot inserted courtesy of a hacksaw.
https://draganfly.co.uk/shop/84498/cabl ... 254/#S25-2
https://draganfly.co.uk/shop/84498/cabl ... 254/#S25-2
Roger Gwynn, Membership Secretary, curator of the Machine Register and the works drawings. Director of Draganfly Motorcycles, Craven Equipment and Supreme Motorcycles mostly retired.
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Re: VH bronze head valve lifter
Thank you all for the quick replies, order now in with draganfly.
Regards
Graeme
Regards
Graeme
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Re: VH bronze head valve lifter
Here, as promised, are some pictures of a '34/'35 head showing to top oil feeds but with a blank 'buttress'.
A comparison to the later head where the top feeds are un-drilled but the boss or 'buttress'
A comparison to the later head where the top feeds are un-drilled but the boss or 'buttress'
'25 Sunbeam 5 sports, '37 VH, '50 Magnat Debon M4, '53 AJS 20
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