Norton 850 oil filter

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Welcome to our new site! Leave a Reply Cancel reply Your email address will not be published. This website uses cookies to improve your experience. We are using Fram filters up here which are adapted to the stock filter plate in front of the rearwheel by means of a " helicoil ".

An autopsy comparing the original blue Norton filter and a Fram type didn't reveal any internal differences to me. He can be reached at USA. Pete Serrino serrinop ehsct7. Apr Champion the spark plug people sell a filter H that will work on a Commando.

The box says ' Made in the E. Perhaps I could add a little to the discussion on oil filters for Commandos. The only time mine had a genuine Norton one was when I bought the bike new. When I found out that a Simca filter would fit, I bought equivalents in car accessory shops.

Over the years I have collected part numbers for the same filter. The ones I have are:. These are all the same fitment - thread and size, identical to the 'original' Norton. It was I who wrote in about using the helicoil and the General Motors oil filter. As for the flow characteristics, I haven't thought too much about it because in this case the filter is filtering oil on the return side of the system. In my opinion, if the filter allows the oil to return to the tank and still filters it, that's about all a Norton owner can ask.

If you feel unsure about the use of a non-standard filter I wouldn't use it. Of course the quality and flow characteristics of some of the so called 'Norton' filters that I have bought for my bike could be called into question. Some of them have looked pretty crude, and there is no brand name on the box in some cases. This is a subject of some interest to me; my '69 Trident has 2 mesh filters, a disposable paper filter and relatively cheap engine bits whilst the '74 Ducati has a plastic mesh and arm, leg and sell-your-soul bit prices.

Royce Creasey of foot-first fame wrote an article in the Spring '85 issue of Classic Mechanics on fitting a Norton-type filter to a Ducati The main points are: The particles causing the most damage are those in the micron 0. Wire mesh filters are unlikely to catch these sizes. They are especially poor at catching the long, thin slivers due to their very small cross-sectional area, which happen to be just the thing to bugger gear type oil pumps and jam non-return valves. The Norton filter element Crosland is also used in various Citroen cars, where its common to run at oil pressures of p.

This filter produces a back pressure of 0. Should the filter clog up, there is a blow-off valve set to open at p. This type of paper filter will stop all particles down to 12 microns, and a diminishing proportion down to 5 microns. They are very good at catching the long thin ones mentioned above.

The article also has a photo of a gear shaft lifted from the Ducati and a cam spindle from Royce's Velo. The Ducati bit has covered a claimed miles, the oil having been 'filtered' through Ducati's joke.

The Velo spindle has run 60, miles on his bike, having been fitted as used off another. The Velo. So, personally, I have a high regard for Royce Creasey anybody know where he is nowadays? How do you know when it's clean? The filter I use with the standard Norton fitting is a Champion yes the spark plug ones part A sub-logo Cooper appears on the box, and Made in Italy on the body. The autos listed as being suitable include Peugeot, Talbot, Citroen, and Matra and the newest model years are