A small selection of parts to fit early Douglas 2 3/4hp horizontally opposed models - which were manufactured from 1910 - 1925. Parts here are those I have had manufactured as part of building my own Douglas 2 3/4hp bike as shown in this photo. Some parts - i.e. spark plug and carb parts will fit other Edwardian models
Douglas 2 3/4hp - Valve Collar and Retaining Pin - Original DesignProduct no.: 0730 DG234_019This is the valve retaining collar of the type fitted to Douglas 2 3/4hp models, used to retain the valve springs by means of this collar and a steel pin that fitted through a hole at the end of the valve. The collar is CNC manufactured from EN24T to the original design (i.e with just a recess, we also offer a modified design - part 0730) while the pin is from Silver Steel. Price is for one collar and one pin (4 required per engine) |
Douglas 2 3/4hp - Timing Case Exhaust Lifter Sleeve Bolt and Spring - (Pair)Product no.: 0975 DG234_540/3dThis item is the distinctive long cylindrical exhaust lifter assembly plunger box, that screws into the front of the Douglas 2 3/4hp models and retains the screw in Exhaust Lifter cable adjuster and cable. Inside the cylinder is the spring that holds the exhaust valve lifter assembly in tension. This item listing is for the plunger box bolt (CNC manufactured in stainless steel) and spring. |
Douglas 2 3/4hp - Timing Case Exhaust Lifter Spring - (Each)Product no.: 0992 DG234_540dThis item is the barrel shaped spring that was fitted to the Douglas 2 3/4hp exhaust lifter assembly, where it feeds into the plunger bolt. We also sell the plunger bolt as a kit (Item 0975) - but this listing is for spring only
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Veteran Spark Plug and Sealing Washers - 18mm Plugs for Older Models (i.e WD16H and Douglas 2 3/4hp)Product no.: 0896 HT_Nut02This listing offers a small selection of 18mm Spark Plugs suitable for those older models fitted with an 18mm Spark Plug thread in their cylinder head i.e. Norton 1920's models, WD 16H models and Douglas 2 3/4hp models. Please read the detail listing carefully - as some 'Long Reach' types are no longer available, and alternatives are also listed. This is a multiple listing item, also offering original type 'crushable copper' washers for both 14mm and 18mm spark plugs.
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Knurled Brass Spark Plug Nuts and Veteran Spark Plugs and Accessories - Various TypesProduct no.: 0895 HT_Nut01This listing shows a selection of brass fittings for veteran motorcycle spark plugs, as well as some rarer spark plugs and fittings (and a nice copy of the Veteran Lodge style brass cooling fins that fit over most spark plug types). We have manufactured the knurled brass nuts for securing the HT lead on older motorcycles (i.e. pre spark plug cap) in two main styles and a variety of threads See item listing for full detail and options |
HT Cable - Ochre and Black Cloth : Sheathed Competition Lead 1920's-40's (per ft)Product no.: 0732 KD1 028- Woven cloth HT lead of the type originally used on many competition and roadgoing motorcycles from the early 1920's through to the 1940's. Ochre/Orange in colour with black flecks - this HT lead is sheathed in a durable and waterproof covering that gives a very authentic look - as per the celluloid covering of the original period HT lead. Price is per foot |
Douglas 2 3/4hp - 2 Speed Gearbox Shouldered Pulley Bolt (783D) - Stainless SteelProduct no.: 0899 DG234_035Shouldered 3/8" Whit Hex gearbox belt pulley nut to fit Douglas 2 3/4hp 2-speed (and 3 speed?) gearbox's - in stainless steel with linished hex. See detail listing for more information |
Douglas 2 3/4hp - Various 17/64"x25tpi Fasteners - Carb Inlet Studs, Nuts, Washers - Stainless SteelProduct no.: 0898 DG234_029This 'variable' item listing offers a number of 17/64" x 25tpi fasteners, as fitted to Douglas 2 3/4hp and 4hp motorcycles in Edwardian times. This diameter and thread size was obscure - and specific to Douglas models of the Edwardian era, and has not been commonly available for many years. See item listing for more detail |
Douglas 2 3/4hp - Inlet Stub/Nut or Exhaust Nut Cop/Abest Type Washer - Bag of 4Product no.: 0907 DG234_955dGood quality copper/asbestos type washer to fit both inlet and exhaust manifold nuts on Douglas 2 3/4hp models. They should also fit exhaust on EW Models. Price is per bag of 4 |
Douglas 2 3/4hp (and EW) - Stainless Steel Inlet Manifold and Exhaust Nuts (Enquiry Only)Product no.: 0905 DG234_035This item listing is for Douglas 2 3/4hp Inlet or exhaust nuts, with milled slots - CNC manufactured from stainless steel, but at this stage is for enquiry only. See detail listing for more information |
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