Oil filter

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Paul_Linden
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Oil filter

Postby Paul_Linden » Tue Jul 11, 2017 9:43 pm

I'm after a cartridge oil filter to replace the one i bought from a well known norfolk based supplier last year. It's part of the generic kit of filter, bracket and pipes that you can fit to a square, huntmaster, etc. The filter doesn't have any code or markings, and the receipt only has the shop's part number.
Anybody know what replacement will fit that's a few bob cheaper? ;)
Ariel Square 4 mk2, Ariel Colt, Matchless G12, BSA C12. Room for one more......

MARK.WALSH
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Re: Oil filter

Postby MARK.WALSH » Wed Jul 12, 2017 9:16 am

Paul
I reckon the ones advertised on ebay listed for 'Norton Commandos' and 'other dry sump British bikes' is probably the same. Can anyone verify that out there?

Price is normally around £10

cheers
mark

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Re: Oil filter

Postby Pete.Silson » Wed Jul 12, 2017 10:43 am

The cartridge I got with my square four kit is a Champion COF103101S (used on Citroen cars I believe).

Pete
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dave.owen
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Re: Oil filter

Postby dave.owen » Wed Jul 12, 2017 12:02 pm

The drags one I have is shorter, search by dimensions on eBay for filter to suit.
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Re: Oil filter

Postby paul.ptak » Thu Jul 13, 2017 1:05 am

Said filter is virtually impossible to find in the USA...so...Colorado Norton Works sells a thread adapter the fits on the filter head that allows for a long list of filters that will fit and readily available at any auto parts store or "big box" discount retailer.

I have had the CNW thread adapter fitted on a Commando filter head for 10+ years and it has never come off during a filter change.

Paul
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Paul_Linden
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Re: Oil filter

Postby Paul_Linden » Thu Jul 13, 2017 7:40 am

Thanks guys, with this info i found and bought one online.
Ariel Square 4 mk2, Ariel Colt, Matchless G12, BSA C12. Room for one more......

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Re: Oil filter

Postby Simon.Gardiner » Thu Jul 13, 2017 1:48 pm

For info, that Norton filter head seems to be widely available as a bike fitting - Paul Goff, Feked, VMCC and ebay seem to supply basically the same unit, and I think it's a Wassell component to start with.

SG
'55 Huntmaster, '56 VH, ' 51 VH, '80 R100RT, '00 Sprint ST (but all those Ariel parts can only make one running bike...)

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Keith.owen
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Re: Oil filter

Postby Keith.owen » Mon Jul 17, 2017 10:34 am

Hi,
I've just given my bike an oil change after 1000 miles (3000 miles travelled).
I removed all filters (tank, sump plate and oil purifier).

I can report that there was no sludge at all, anywhere.

When I rebuilt it some years ago, I fitted a cartridge oil filter. Although I have changed the filter on a previous occasion and changed oil after 500, 1000 and every 1000 or so, this is the first time I remove the oil purifier cap.

I think that the lack of crud in the purifier vindicated use of the cartridge filter (it is in itself not an expensive item) which tucks away neatly between the gearbox and engine bottom end, so it's not really visible.

BR to all,

Keith :mrgreen:
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MARK.WALSH
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Re: Oil filter

Postby MARK.WALSH » Wed Jul 19, 2017 6:58 pm

Keith
that's a good example you give and makes me realise that I must fit one. Drags seem out of stock - even just for the fixing bracket. Anyone out there know of a spare kit or bracket for a square4?
regards
Mark

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Re: Oil filter

Postby nevhunter » Thu Jul 20, 2017 1:28 am

On the plain bearing engines particularly, a good filter in the return line will definitely pay off, looking after the engine. One of the reasons modern bikes do high miles is the cleanliness of the oil and lack of sludge. This is because of filters, high volume oil pumps and the engines running hot where the oil is. That stops water remaining in the oil which causes most of the sludge and corrosion. The oil has to reach about 95 degrees C to achieve that. This doesn't often happen unless you have a Sq4 with a chair on it and do good distances. It takes about 50 miles to reach stable max temps.
Oil is relatively cheap, and on the single s where they have ball/roller bearing s that can suffer from corrosion, and the oil never gets very hot, It's more important to change it regularly, and clean out the tank in case there's something sitting on the bottom, where it settles when not used much. I don't fill the tank much above minimum as the oil takes forever to get warm and never hot, and there's a bit of Scottish blood in my veins. Nev


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