1.q Norton 1920's and Earlier 1930's Models - All Parts/All Models

1.q Norton 1920's and Earlier 1930's Models - All Parts/All Models

This section lists those items we can offer for Norton single models manufactured before 1934.

This includes the SOHC Walter Moore CS1 and CSJ models, All pre 1930 OHV models and Flat tank Side Valve Models (note - some parts may also appear in other sections

If you have a requirement for parts to fit these models - and think there may be a demand from other owners, then feel free to contact us - we may consider making a batch


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Norton 1928-29 Spare Parts List : OHV and SV Models (With 29 Models Supplement) - A4 Facsimile

Product no.: 0893 WKM020

- This is a high quality facsimile of the original Norton 1928-29 Spare Parts Catalog for OHV (excluding ES2) and SV Models, but printed in A4 format. The main spare parts list covers the roadgoing Model 18, 19, 21 and 24 OHV models and Model 1, 2, 14 and 16H SV models.  It also includes a rare 4 page supplement for final (post 1929) changes to the  'magneto forward of engine' OHV and SV models.  See detail listing for more information  

We print these pre-war catalogs in larger format as they did not use 'Exploded' diagrams - therefore A4 format makes the pictures much easier to see.  All else as per original - see detail information for more information. 

 

£18.00 *
In stock

Norton 1928-29 Spare Parts List : Walter Moore CS1 (SOHC) and ES2 (OHV Models) - A4 Facsimile

Product no.: 0892 WKM019

- This is a high quality facsimile of the original Norton 1928-29 Spare Parts Catalog, but printed in A4 format. The main spare parts list covers CS1 (Walter Moore design) and ES2 models, but includes the rare 4 page supplement for Model 18, 19, 21 and 24 (OHV) and 1,2,14 and 16H (SV) models.

We print these pre-war catalogs in larger format as they did not use 'Exploded' diagrams - therefore A4 format makes the pictures much easier to see.  All else as per original - see detail information for more information. 

£18.90 *
In stock

Norton 1931-32 Spare Parts List: Arthur Carroll CS1 (SOHC) and ES2 (OHV Models) - A4 Facsimile

Product no.: 1136 WKM022

- This is a high quality facsimile of the original Norton 1931-32 Spare Parts Catalog, but printed in A4 format. The main spare parts list covers SOHC (Arthur Carroll design) and OHV ES2 models, but many cycle parts listed are the same for all models (see listing for more detail on this).

We print these pre-war catalogs in larger format as they did not use 'Exploded' diagrams - therefore A4 format makes the pictures much easier to see.  All else as per original - see detail information for more information. 

£18.00 *
In stock

SOHC Walter Moore CS1 (and Mod 18) 1927-30 Main Roller Bearing ‘C3’ Fit - NKE Brand

Product no.: 1073b 4016

This is the single row roller bearing as fitted to both sides of the SOHC Walter Moore CS1 and CSJ 1927 - 1930 engines.  It was also fitted to Model 18 engines of the same period. These are the correct original 'C3' looser fit bearings - but are from a slightly lesser quality NKE brand (i.e. not RHP Brand).  See listing for more detail

£94.00 *
In stock

SOHC Walter Moore CS1/CSJ Top Vertical Shaft Bearing (1927/30) - SKF Brand (Each)

Product no.: 1076 4130

This is the large single ball bearing that was fitted on the top vertical bevel gear housing on the SOHC Walter Moore CS1 or CSJ engine, manufactured from 1927 - 30.  This is a high quality SKF brand bearing.  See listing for more information

£44.00 *
In stock

500cc OHV Model 18/ES2 (or SOHC CS1) Type Omega Forged Piston - (Approx 8.0:1 CR) - 79.62mm Bore

Product no.: 1061 C7/161HC

This is a 79.62mm (500cc) forged slipper piston which copies the same vital dimensions as the original 1940's-50's Norton Heplex 572 OHV (Model 18 and ES2) piston, other than having a slightly raised crown - which on most OHV models should relate to an estimated @8:1  compression ratio.  As with our SOHC slipper pistons - these are the highest quality forged slipper pistons made by top manufacturer Omega.  They are also similar to the lower compression SOHC Inter pistons, often fitted to CS1's and road going Inters (or later Inters). See detail listing for more information before ordering. Price is per piston

 

£310.00 *
In stock
can be shipped within 120 days

500cc OHV Model 18/ES2 (or SOHC CS1) Type Omega Forged Piston - (Approx 8.0:1 CR) - 80.13mm Bore

Product no.: 1062 C7/161HC

This is a 80.13mm (500cc) forged slipper piston which copies the same vital dimensions as the original 1940's-50's Norton Heplex 572 OHV (Model 18 and ES2) piston, other than having a slightly raised crown - which on most OHV models should relate to an estimated @8:1  compression ratio.  As with our SOHC slipper pistons - these are the highest quality forged slipper pistons made by top manufacturer Omega.  They are also similar to the lower compression SOHC Inter pistons, often fitted to CS1's and road going Inters (or later Inters). See detail listing for more information before ordering. Price is per piston

 

£310.00 *
In stock
can be shipped within 120 days

1926 - 1929 Type - OHV Front Rocker Arm Ball Type Tappet Adjuster and Nut - (2 Parts)

Product no.: 1119 Pt-5157

This Rocker Adjuster and Tapered Locknut are to fit Flat Tank OHV Models (i.e Model 18 and Model 19) between approximately 1926 and 1929 - the distinguishing features of this type being that this type screwed into the front of the OHV Rockers, and had a 'ball' profile at the end - that fitted directly into the top Pushrod cup.  We have CNC manufactured this type using an original 1920's Norton item as the pattern and includes the correct profile locknut, with tapered bottom face, the locknut being in stainless steel.  See listing for more detail.  Price is for a single adjuster and locknut (i.e. 2 parts)

£24.00 *
In stock

1926 - 1929 Type - OHV Front Rocker Adjuster - Spare Locknut in Stainless Steel - (Each)

Product no.: 1120 Pt-5158

These are the distinctive 9/32" x 26tpi BSC tapered locknuts as fitted to the Norton OHV Ball type rocker adjusters from approximately 1926-29.  These have been CNC manufactured in stainless steel to exactly the same dimensions as a Norton 1920's example.  Note we also sell the locknut with the actual adjuster - see Item 1119, but as the original nuts are often chewed or come loose and fall off - we sell them on their own here.  Price is each

£3.50 *
In stock

1928 - 1937? Type - OHV/CS1 Rocker Arm Pad Type Tappet Adjuster/Nut - (2 Parts)

Product no.: 1121 Pt-9163

This Flat Bottomed Rocker Adjuster and Tapered Locknut are to fit the first SOHC Walter Moore (i.e. Cricket Bat type) and 1930 - 1937 OHV Models.  They were fitted to CS1 models from 1927-1930 (approximately) and OHV models from 1929 - 1937.  This type of rocker adjuster were fitted to the rear rocker arms and acted directly on the valves.  We have CNC manufactured this type using an original early 1930's Norton item as the pattern and includes the correct profile locknut, with tapered bottom face, the locknut being in stainless steel.  See listing for more detail.  Price is for a single adjuster and locknut (i.e. 2 parts)

£24.00 *
In stock

1928 - 1937 Type - OHV/CS1 - Longer Type - Rocker Arm Pad Tappet Adjuster/Nut - (2 Parts)

Product no.: 1122 Pt-9163L

This Flat Bottomed Rocker Adjuster and Tapered Locknut are a slightly longer version of the 9163 (Std length) adjuster fitted to early SOHC engines and most OHV models up to 1937.  We modellecd this 5mm longer version on an original adjuster - that may have been modified, as at least one customer has requested a longer type.  See Listing for more information. Price is for a single adjuster and locknut (i.e. 2 parts)

£24.50 *
In stock

1929 - 1937 - OHV and Walter Moore CS1 Tappet Adjuster Nut Only (Stainless Steel) - Each

Product no.: 1123 4095

These are the distinctive 9/32" x 26tpi BSC tapered locknuts as fitted to the Norton OHV/Walter Moore CS1 Flat Pad type rocker adjusters (our items 1121 and 1122 from approximately 1929-37.  These have been CNC manufactured in stainless steel to exactly the same dimensions as a Norton 1930's example.  Note we also sell the locknut with the actual adjuster - see Item 1121 and 1122, but as the original nuts are often chewed or come loose and fall off - we sell them on their own here.  Price is each (i.e. one locknut)

£3.50 *
Still in stock

1930 - 1937 OHV Engine Pushrod - Non-Adjustable Tappet Type: (To Order) - Complete Pushrod Assembly

Product no.: 1124 Pt-9141

This item listing is for a complete Norton OHV non-adjustable pushrod, of the type that was most commonly fitted to Norton OHV models between approximately 1930 and 1937.  The individual parts faithfully replicate those of the original Norton design.  Similar pushrods were also fitted circa pre-1930, but with different bottom pieces.  See listing for more detail on lengths and type availability.  Price is each 

£45.00 *
In stock

1938 - 1947 OHV Engine Pushrod - Adjustable Tappet Type: Length To Order - Complete Pushrod Assembly

Product no.: 1125 8883

This item is for a complete (single) adjustable pushrod assembly to fit the 1938-47 design of OHV Engines.  This design employed the earlier long steel pushrod tube design - but unlike the earlier design, the top piece had a screw on adjustable top cup and locknut. We keep the most common 500cc length in stock, but can also supply these to order - to your length. See listing detail to pre-order. Price is per pushrod (2 required per engine).

£75.00 *
In stock

1938 - 1947 Type - OHV Engine Pushrod - Adjustable Tappet: Spare Locknut (fits later Engines) - Each

Product no.: 1126 8891

This item is for a spare locknut to fit 1938-37 OHV Pushrods.  These are CNC machined fron stainless steel to the same dimensions as original Norton pushrod locknuts, an original nut being used as the pattern, however we manufacture these in stainless steel.  We also sell the complete pushrod assembly - see Item 1125, but as stripped locknuts was a common issue with this pushrod design, we also sell the locknut seperately.  Price is each

£3.30 *
In stock

1938 - 1947 Type - OHV Engine Rocker Arm Ball End (i.e.Pushrod Side) - Each

Product no.: 1117 8908

This is a replacement Rocker Ball pin, to fit the front (pushrod side) rocker on 1938-1947 type OHV engines.  The profile is copied from an original pattern and the ball and shaft are hardened.  See listing for more model and fitment information.  Price is Each

£9.00 *
In stock

COMING SOON: 1930-37 and 1938-47 Pushrod Tubes/Nuts in Stainless Steel (Expect Late 2023)

Product no.: 1200 Pushrod_Tubes

This item 'Pre-Listing' is to let Pre-war OHV owners know - we will shortly be manufacturing batch's of the distinctive and long Norton OHV Pushrod tubes - in seamless stainless steel, and the special bottom Hex Gland Nuts that were fitted to each respective type.  See Detail Listing on how to find more information and pre-order

£0.00 *

Late 1920's - 1934 OHV Cylinder Head (Short) Stud (Stainless Steel) - Each

Product no.: 1133 3X71

These Cylinder Head studs are of the type fitted to pre-war OHV Valve engines in the late 1920's and early 1930's, where the design of OHV engine had seperate head studs (i.e. before the introduction of long 'through' studs. See listing for more information.  Price is per stud

£4.90 *
In stock

Late 1920's - 1930's OHV/SV Cylinder Base Nut (Stainless Steel) - Each

Product no.: 1134 9003

This distinctively styled Cylinder Base Nut was of the design fitted to OHV singles, before the OHV design switched to 'Through Type' long cylinder studs in approximately 1935. They were also used on Side Valve engines - both types employing a coarse Whitworth cylinder stud thread. See listing for more information.  Price is per stud

£5.50 *
In stock

OHV Norton ES2 and Model 18 Inlet or Exhaust Valve (& 1920s CS1/OHV)

Product no.: 0678 A3/142

- Highest quality inlet or exhaust valve manufactured by G & S Valves - to fit all Norton OHV Model 18 and ES2 engines.  Also commonly fitted to Walter Moore CS1 and early OHV models.  See listing for more detail.  Price is per valve

£42.00 *
In stock

1924 - 1929: OHV (and Pre 1929 Walter Moore CS1) Coil Valve Springs - Set of 4 Springs

Product no.: 1135 1074/5

High quality (UK manufactured) coil valve springs to fit the first Norton OHV models manufactured 1924 - circa 1929, and also the first Walter Moore CS1 models 1927 - circa 1928.  These models identifiable by having a smaller and more deeply conical type top spring cup than the type that followed in 1929.  See detail listing for more information.  Price is for a set of 4 springs (i.e. enough for one engine)

£44.00 *
In stock

1928-1931 Conical Type OHV/Walter Moore CS1/First Arthur Carroll CS1 - Valve Spring Cups (Pair)

Product no.: 1029 4060/1

This item is for a pair of the distinctive 'conical' shaped valve spring cups, of the type that were fitted on OHV and Walter Moore CS1 Norton engines through from approximately 1928 up to 1931.  CNC machined from an original pattern, including radial holes - these are designed to fit the early spring type (which we can also supply).  Sold as matching top and bottom cup - see listing for more information  

£49.00 *
In stock

Late 1920's 350/500 OHV, Walter Moore CS1, Pre-33 CS1 Coil Valve Springs - Set of 4 Springs

Product no.: 0966 4058/9

High quality (UK manufactured) coil valve springs to fit 1920's OHV models up to 1933, early (Walter Moore) type CS1 models and the first Arthur Carrol SOHC CS1 engines up to 1932/33 - see detail listing for more information and if your machine requires this type of spring.  Price is for a set of 4 springs (i.e. enough for one engine)

£44.00 *
In stock

Late 1920's 596cc OHV Coil Valve Springs (i.e. Terry's VS110 type) - Set of 4 Springs

Product no.: 0967 5126/27

High quality (UK manufactured) coil valve springs to fit the late 1920's - 1936/7 Norton CS1 and OHV single cylinder models (longer length than later coil springs -see detail listing for more information.  Price is for a set of 4 springs (i.e. enough for one engine)

£44.00 *
In stock

3/8" Stem Diameter Valve Cap (Two Thicknesses Available) - SOHC Ex and OHV Engines - Each

Product no.: 1127 VlCap01/02

Hardened Valve Cap to fit 3/8" Stem Diameter valves.  These have been CNC machined using original period 'Terry' valve caps as the pattern.  These are available in two thicknesses - state thickness when ordering.  See detail listing for more information. Price is per valve cap 

£8.00 *
Not in stock

1920's-1931 All Models - Crankcase 'Clack Valve' Breather Spring - Each

Product no.: 1112 BrthSpring1

This item is for a spare spring - of the type that were fitted into the distinctive 'Clack Valve' breathers in 1920's OHV and Walter Moore CS1 breathers - an original dismantled clack valve (shown in photo) providing the spring pattern.  We will shortly be manufacturing the complete breather/clack valve unit.  See listing for more information.  Price is per spring

£3.50 *
In stock

1930's - 1957 16H and Big4 SV (Side Valve) Cylinder Head Nuts (Stainless Steel) - Each

Product no.: 1130 A2/156

These Cylinder Head nuts are perfect copies of the design used by Norton's on 16H and Big4 Side Valve models, from the 1930's through to the end of Side Valve production in approximately 1957 - they have a distinctive deep hex and a gradual curve to the top of the nut - which was a Norton feature on many of their engine bolts. Price is per nut.

£5.50 *
In stock

1930's (& WD Type) 16H and Big4 SV (Side Valve) Cylinder Head Stud (Stainless Steel) - Each

Product no.: 1131 9136

These Cylinder Head studs are of the type fitted to pre-war WD16H and Big4 Side Valve engines through to 1947 - an original 1937 WD16H cylinder head stud being used as a pattern. See listing for more information.  Price is per stud

£4.90 *
In stock

1948-57 16H and Big4 SV (Side Valve) Cylinder Head Stud (Stainless Steel) - Each

Product no.: 1132 C2/155

These Cylinder Head studs are of the type fitted to 16H and Big4 Side Valve engines from 1948 through to 1957 - an original Post War WD16H cylinder head stud being used as a pattern. See listing for more information.  Price is per stud

£5.20 *
In stock

Veteran Spark Plug and Sealing Washers - 18mm Plugs for Older Models (i.e WD16H and Douglas 2 3/4hp)

Product no.: 0896 HT_Nut02

This 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.

 

from £1.20 *
In stock
*
Recommended Retail Price, plus delivery
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