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Outer Engine Covers

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Typically the mild steel plated screws fastening the outer engine covers to the crankcase are some of the first to corrode and because often they are arguably some of the most obviously visible fasteners on the bike, the first many people decide to replace.

Our outer engine cover fastener kits are prepacks designed to replace the horizontally fixed screws in the outer engine covers typically alternator, points/ignition, clutch and chain/drive covers. The screws supplied as standard in these packs are Socket Cap screws more commonly known as Allen Heads. There is good reason this is the fastener of choice, please see the last 2 paragraphs.

In order to give our customers a unique choice these kits can be supplied in three choices of finish – plain or ‘mill’ finish, electropolished or ‘dual polished’. Both electropolished and dual polished finishes are unique to Inox Fasteners here in the UK nobody else will offer you the choices - see our finishing section links to the lower left and the bottom of this window.

The electro polished price is shown for each model, if you require an outer engine cover kit dual polished please go to the Product Information section to either the lower left or the bottom of this window and use the enquiry form in the Fastener Kit Systems section and we will advise the premium payable.

If the model you are looking for is not listed again please go to the product Information section to either the lower left or the bottom of this window and use the enquiry form in the Fastener Kit Systems section and we will do our best to put one together for you as soon as we can.

Customers with later bikes who require replacements for the small zinc plated flanged headed hexagons rather than the cross head pan screws can also select from our unique range of M6 Raised Headed screws designed specifically for the purpose, again please go to the Product Information section to either the lower left or the bottom of this window and use the enquiry form in the Fastener Kit Systems section and we will we will advise the premium payable.

So why do we not offer stainless posi pan screws in these kits to look like many of the originals? Two reasons – first the Japanese posi screws have a smaller diameter screw head than the stainless posis used by the rest of the world so fitting screws in tight casting recesses in brittle sometimes decades old alloy can be a major problem. Second, the maximum available length of a commercially available 6mm posi pan is 50mm. Many outer engine cover sets require at least some screws in excess of this length so we would typically be unable to offer a full set even if the head diameters did not pose an issue.

BEWARE there are some companies claiming to sell stainless cross head pan screws replicating perfectly the head diameter of the original. Make sure you check all of the lengths are available because as we understand it often the longer lengths aren’t!!