Air filter retaining Spring and cover

[paulbaker1954]

1) My recently bought bike is missing the spring retaining the air filer and I cant source one from either DS or CMSNL. Is not having it important ie does it serve a technical function ie push the filter against the front seal maybe?

2) I am also a bit confused about covers as I bought the bike as a US import and not only no spring but no covers fitted either. Should there be a cover? I see a cover on the parts list (item8 on pic) but it doesnt look as if it covers the whole air filter like say on a car. So as with spring ? what's it's purpose, functional or cosmetic?
 

3) there is also a tool tray missing but I am eally not fussed about that I may pick one up on flea bay at some point.

Bottom line does any of these missing bits matter as it's all under the seat anyway

[Johnwebley]

  on my CB500 it has a spring,very much needed to push the element to the seal,Item 3,and a sealing top piece,item 8


http://www.cmsnl.com/honda-cb500-four-k1-england_model14660/partslist/F13.html#results



above these you also need tool tray item 8,and gauze cover,item 9

http://www.cmsnl.com/honda-cb500-four-k1-england_model14660/partslist/F36.html#results


 the spring is just a shaped flat steel item,but the other items are quite rare

 I would suggest ALL of the items are needed,unless you want to run with just the airbox and no filter

[deltarider]

A retaining spring you can easily make yourself. The socalled 'DUCT ASSY., AIR CLEANER' (17340-323-610) over the filtercase is on models with 649A carbs only.

[ST1100]

A retaining spring you can easily make yourself.

PO of my '76 K2 simply stuffed a piece of worn timing chain tensioner into there...