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 - Early Square Brake Lock Ring Bolt - 26tpi BSC Thread (Stainless Steel)Product no.: 0690 DG234_004This is a shouldered bolt of 0.710" shaft length, with the distinctive shouldered square head, of the type used on brake assemblies of early Douglas 2 3/4hp models. It is intended to feed through the circular locking ring used on early Douglas 2 3/4hp brake pedal assemblies, which is used to adjust the position of the brake pedal on its shaft. This bolt is an alternative to Item 0689 - it having a a 0.257" x 26tpi BSC thread. Please measure your original brake pedal lock ring thread/bolt to ensure you know the correct thread before ordering. It is CNC manufactured in stainless steel |
Douglas 2 3/4hp - Brake Rod and Clevis Assembly - Stainless SteelProduct no.: 0691 DG234_005This is a complete brake rod assembly to fit an early Douglas 2 3/4hp model of early type. It consists of Douglas modelled square brake clevis/brake rod, two locknuts, square headed brake pedal/clevis bolt, washer locknut - CNC manufactured in stainless steel from an original Douglas pattern |
Douglas 2 3/4hp - Brake Clevis Assembly - Stainless SteelProduct no.: 0696 DG234_006This listing is for a CNC manufactured clevis, square headed clevis bolt, washer and locknut to fit an Douglas 2 3/4hp model of early type. All are manufactured in stainless steel from an original Douglas pattern |
Douglas 2 3/4hp - 2 Speed Gearbox Clevis - Stainless SteelProduct no.: 0697 DG234_007This is a CNC manufactured clevis in stainless steel to fit the 2 speed gearbox fitted to Douglas 2 3/4hp models. It is copied from an orgiinal Douglas clevis. (may also fit other gearboxs for Douglas's of this era. |
Douglas 2 3/4hp - 1/2" x 3/16" Early Type (pre-1920?) Primary Chain + Split Link (Renold's Synergy)Product no.: 0867 DG234_Chn1This item listing is for a 68 link Renolds Synergy 1/2" x 3/16" primary chain and split link to fit a pre-1920 Douglas 2 3/4hp Model. Renolds Synergy is their best chain and comparable to the old GP chain - excellent for open primary chains. |
Douglas 2 3/4hp - 1/2" x 3/16" Early Type (pre-1921?) Primary Chain Spare Split LinkProduct no.: 0894 DG234_Chn2This item listing is for a Renolds Synergy 1/2" x 3/16" primary chain spare split link to fit a pre-1920 Douglas 2 3/4hp Model. Always keeping a spare link and Renolds Synergy is their best chain and comparable to the old GP chain. |
Douglas 2 3/4hp - Early 5 Hole Gearbox Sprocket - Tooth Replacement Service <Special Order>Product no.: 0866 DG234_GSPRKTThis item listing is to provide a replacement sprocket for your original worn Douglas 5 hole 1/2" x 3/16" early type gearbox sprocket – using a modern industrial equivalent sprocket template, machined to your desired internal diameter. Price Indicative only. See detail listing for more information |
Douglas 2 3/4hp - Dome Head Petrol Tank Mounting Screws - Stainless Steel (Pack of 4)Product no.: 0849 DG234_027This listing is for a set of 4 Raised Countersink petrol tank location screws, to fit Douglas 2 3/4hp models. Thread profile is the unusual 7/32" x 24 tpi thread particular to this Douglas model. CNC machined in Stainless Steel with polished head. Price is for Pack of 4 . Apr 2022: New batch in stock |
Douglas 2 3/4hp and 4hp - Tanktop Exotic Wood Gear Lever Knob and Stainless Steel Centre BoltProduct no.: 0698 DG234_008This is a faithful reproduction of the gearlever knob fitted to early 2 - speed Douglas motorcycles - the 2 3/4hp and 4hp models. It is CNC manufactured from exotic wood - either Wenge (dark) or Yew (light) to a high finish, lacquered and comes complete with CNC manufactured gearlever bolt in Stainless steel. Price is for the pair |
Douglas 2 3/4hp and 4hp - Tanktop Gear Lever Stainless Steel Centre BoltProduct no.: 0699 DG234_009This is a CNC manufactured stainless steel reproduction of the bolt that retains the wooden gearknob fitted to two speed Douglas 2 3/4hp and 4hp models up from 1912'ish, to the mid 1920's. It's thread and profile is copied from an original item and it has a shouldered plain shaft that allows the bolt to 'bottom' against the gearlever and the knob to spin freely |
Douglas 2 3/4hp and 4hp - Tanktop Gear Lever Gate Fixing Screws - PairProduct no.: 0701 DG234_0014These are the distinctive barrel headed screws that were used to retain the Low/High Gear gate to the frame on early Douglas 2 speed models - Douglas 2 3/4hp and Douglas 4hp models up until the early 1920's. These screws are CNC machined to the original pattern in stainless steel. Price is for a pair of screws |
Douglas 2 3/4hp 1913-25 Type: Petrol and Oil Filler Cap Gaskets (Pair);Product no.: 0984 DG234_1183/7GThis listing is for a pair of 3mm thickness Cork petrol/oil cap gaskets - to fit Edwardian style (flat tank) 1.875" screw on caps fitted to Douglas models (@1913 onwards) and many other Edwardian motorcycles - see detail listing for more information. Price is per pair of gaskets |
Douglas 2 3/4hp 1912 Type: Petrol and Oil Filler Cap Gaskets (Pair);Product no.: 0986 DG234_1182/87GThis listing is for a pair of 3mm thickness Cork petrol/oil cap gaskets - to fit Douglas 1912 models where the oil filler was smaller than the petrol filler cap - as shown in the accompanyning photographs. Price is per pair of gasketst. See listing for further detail |
Douglas And Belt Drive Bikes: 12 Gauge Spoke - Beaded Edge Belt Rim Retaining Bolts (Each)Product no.: 0803 DG234_0015These special cylinder shaped bolts are used to retain rear wheel Belt Drive rims to the rear wheel of Beaded Edge rims on Edwardian belt drive motorcycles. They are cross drilled to be fed onto 12 Gauge (2.55 mm) spokes, and then have a small head and nut that feeds onto your belt drive rim. All parts are in stainless steel. These are sold as Each (you need to check your belt rim to decide how many you will need) |
Douglas 2 3/4hp - Black Etched 12 Gauge Spoke Sets - Special OrderProduct no.: 0808 DG234_SPOKE1+2This is a Special Order listing for 12 gauge black etched spokes of the type fitted to Veteran Beaded Edge wheels of Edwardian era. See detail listing for more information |
Tyre Inner Tube Valve Caps - 'Period' Steel Type - Per PairProduct no.: 0840 TvalveCap1Period Style (i.e. early 1900's to 1950's) Valve Caps - Pair |
Douglas Main Tank Transfer - White (Early Flat Tank Models - including 2 3/4hp and 4hp) - EachProduct no.: 1082 TRN/08- This is the main tank transfer fitted to most Douglas flat tank models - from approximately 1912 through to the early 1920's. The letters are white/ivory in colour, with a black surround. I have used these same transfers on my own Douglas 2 3/4hp tanks. Price is Each |
Douglas Rear Mudguard Transfer - Flat Tank Models: 2 3/4hp Engine Held Aloft - EachProduct no.: 1083 TRN/09- This is the transfer often fitted to the rear mudguard of Douglas flat tank models - it depicts a Scottish gentleman holding a Douglas 2 3/4hp engine aloft. Price is Each |
Douglas Headstock Transfer - Some Early Flat Tank Models - EachProduct no.: 1084 TRN/10- This unusual but very pretty and elaborate transfer was used on the Headstock of some of the earlier Flat Tank models. Price is Each |
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