Interesting Air Cleaner

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Interesting Air Cleaner


I’ve never seen a stock air cleaner like this. What is it?
 
Just a silenced ham can. MK2-A if I remember right.
My parts book shows a drawing like this and says front air box plate for 750 Commando. My ‘72 doesn’t have this type. Maybe an earlier 750? What a pain to get the filter element in with the extra metal in the way.
 
My parts book shows a drawing like this and says front air box plate for 750 Commando. My ‘72 doesn’t have this type. Maybe an earlier 750? What a pain to get the filter element in with the extra metal in the way.

I saw that in the parts book. Never seen one in person.

Usually by the second reply someone has the answer. This is exciting!

I’ve taken to compressing the intake rubbers, not trying to skip the filter in.
 
850 parts book shows it as a 750 front plate, but the '72 parts book doesn't list it.
This suggests it was fitted to the last 750s only.

No, I've never seen one either!
 
'73 750/850 parts book"
"060902...Front Plate 750 Air Cleaner"

'72 750 parts book:
"060902...Front Plate"

https://www.ebay.ie/itm/OEM-NORTON-...716278?hash=item4d624d5236:g:EG4AAOSwZElZpYnh

http://www.klempfsbritishparts.com/PLATE--AF--INLET--FRONT-0

Nice finds. We still don’t know why this version exists or what it went on (aside from not on the IIa or III). That Klempfs listing is interesting. They seem to infer they have a source for that style. Andover doesn’t list it.
 
It is on the 1973 750/850 page at Andover. I have it on mine, a real pain to change the air filter or the inlet rubbers!!!!!!

Kev
 
We still don’t know why this version exists or what it went on (aside from not on the IIa or III).

Presumably its intended purpose was noise reduction.

That Klempfs listing is interesting. They seem to infer they have a source for that style.

Probably just old stock.

Andover doesn’t list it.

They do list it. They just don't supply the part made to the original specification presumably because they can sell the (cheaper to make) flat 06.3813 plate instead.
https://andover-norton.co.uk/en/shop-details/15463
"06.0902"
 
i had one on a 74 Mk2 850.
The original Mk2 also had welded mutes on the Pea shooter silencers.
The Mk2a had the black box and Bean cans.

My current Mk2 has the original flat plate, it is a very early Mk2, however who knows what's been switched over the years.
My Mk 1 850 had the flat plate.

I had a 73 MkV 750 for a short time and pretty sure it had it.
Then again, who knows what's been changed, except it appeared to be all original.

They are a bigger pain than the flat plate, which is a pain in itelf.
 
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