1.j Norton Gearbox and Clutch Parts

1.j Norton Gearbox and Clutch Parts

Parts to fit those gearbox/clutch's fitted to all single cylinder Norton models - particularly upright type gearbox


Display per page
Sort by
31 - 60 of 103 results

1951-56 Laydown Gearbox - Oil Filler Level Square Head/Slotted Plug Screw (Stainless Steel)

Product no.: 0997 13765

This is the distinctive oil level filler plug as fitted to all Laydown Norton Gearbox's (under and to the left of the kickstart boss) from 1951-56.  As per the original it has the correct extra fine thread, square head, with screwdriver slot.  Ours are CNC machined in Stainless Steel and also look vgery pretty. See listing for more information

£7.00 *
In stock
can be shipped within 60 days

1933-50 Upright Gearbox - Cam Plate Plunger and Cam Plate Plunger Spring (Pair)

Product no.: 1010 A2/350+352

This listing is for the camplate plunger and camplate plunger spring that was fitted into the brass plunger bush on all upright Norton gearbox Positive Stop Mechanisms.  Original plungers often have a worn and flattened head, which can affect the effectiveness of gear changing.  The same plunger was also fitted to the Norton Laydown Manx Norton gearbox.  Price is for Plunger and Spring. Update October 2022 - New batch back in stock

£16.50 *
In stock
can be shipped within 60 days

1933-50 Upright Gearbox - Cam Plate Plunger Spring (Each)

Product no.: 1011 A2/352

This listing is for the camplate plunger spring that was fitted into the brass plunger bush on all upright Norton gearbox Positive Stop Mechanisms.  An original plungers spring was used as the pattern, which has a strong poundage for its size, providing the correct original strength to the plunger.  Price is Each

 

£4.20 *
In stock
can be shipped within 60 days

Norton Gearbox - Selector Pawl Carrier Spacing Shim

Product no.: 0851 A2/415

This is the shim fitted behind the selector fork and rear mount plate on both Upright and Laydown gearboxs from 1930's to late 1950's. It is very important to give good smooth selection.

£3.30 *
In stock

Norton Gearbox Mainshaft/30M Layshaft End Shim: Set of 3 Shims

Product no.: 0405S A2/324SHS

Set of 3 different thickness shim washers to fit Norton Upright/Laydown gearbox mainshaft or the layshaft of racing gearbox's.  Useful if you have endplay or your gears are not fully in line.  Set of 3 in following sizes: 0.030”/0.018”/ 0.012", see listing for more information

 

£9.00 *
Not in stock

Norton Gearbox Mainshaft/30M Layshaft End Shim: Single Shim: Various Thicknesses

Product no.: 0405 A2/324Sh1

Single shim washer to fit Norton Upright/Laydown gearbox mainshaft or the layshaft of racing gearbox's.  Useful if you have endplay or your gears are not fully in line.  Available in 3 sizes: 0.030”/0.018”/ 0.012", see listing for more information

 

£3.30 *
Not in stock

Norton Gearbox - Gearchange Return Spring for Positive Stop Selector Mechanism - Each

Product no.: 0384 A2/410

This spring is is the main positive stop return spring that fits in the gearbox selector mechanism pawl, and it is the wear of this spring over years of use that causes it to eventually causes it to lose it's tension - which then results in changing gear becoming more haphazard and less direct. Manufactured to original Norton dimensions.  Price is each

£12.00 *
In stock

Norton Upright Gearbox - Cam Plate or Quadrant Spindle Washer - Pack of Three

Product no.: 0639 A2/346

Norton Upright Gearbox - Cam Plate or Quadrant Spindle Washer - Pack of Three:  these are the special, thick/wide pan washers used to secure the gearbox quadrant and lever arms on all Norton upright gearbox's (1933 type onwards), as well as gearbox quadrant on Laydown Norton gearbox's - Now in Stainless Steel

£3.40 *
In stock

Norton 1934-57 Upright and Laydown Gearbox Kickstarter Spring

Product no.: 0385 A2/367

This is the gearbox kickstarter spring, as fitted to most Norton Upright and Laydown gearboxs (pre-AMC) from 1930's to late 1950's. Original kickstarter springs commonly wear on Norton gearbox's - often identifiable by the kickstarter moving backwards by its own accord on takeoff from standstill.  Read the detail listing for fitting instructions

£12.00 *
In stock

Norton 1934-57 Upright and Laydown Gearbox Kickstarter Spring Cover (Machined from bar) - Each

Product no.: 1063 A2/358

This is the gearbox kickstarter spring cover, of the type that was fitted on all roadgoing Norton model gearboxs from 1934 to 1957 (both Upright and Laydown type gearbox's).  This item has been machined from solid steel bar, rather than the original pressed steel item - using a genuine 'New Old Stock' Norton item as the template.  See listing for more information. Price is each.

£18.00 *
In stock

Norton 500T Trials Model Gearbox Kickstarter Spring - Each

Product no.: 1166 A2/367T

This is the gearbox kickstarter spring of the type fitted to genuine Norton 500T Trials models (i.e. from approximately 1949 - 53).  Similar to the standard roadgoing models - genuine Trials gearbox's employed a shorter kickstart shaft, to give better foot clearance - hence the kickstart spring was also narrower.  These springs are UK manufactured using a genuine 'New Old Stock' 500T kickstart spring as the pattern. Price is each.

£16.00 *
In stock

Sturmey Archer 1932-34 4-Speed Gearbox Kickstarter Spring (i.e. Mod30/40, Model 18) - Each

Product no.: 1066 9710

This is the gearbox kickstarter spring fitted to the 4 Speed Sturmey Archer models from approximately 1932-34, visually similar to the Norton gearbox spring that followed it, this spring has a wider diameter.  It is identifiable from earler Sturmey gearboxs in having one tang facing inwards, and the other facing backwards - See listing for more information. Price is each.

£13.00 *
In stock

Sturmey Archer 3 Speed Kickstarter Spring - 1920s Long Tang Type (Walter Moore CS1/ES2 Type) - Each

Product no.: 1065 4585

This is the gearbox kickstarter spring fitted to the 3 Speed Sturmey Archer models that were fitted to Walter Moore Norton CS1 and ES2 models in the late 1920's, through to the first Arthur Carroll engines and other models, to approximately 1932.  It has a long tang that protruded out and wrapped around the kickstart.  See listing for more detail.  Price is each.

£14.00 *
In stock

Sturmey Archer CS Gearbox Kickstarter Spring - Short Tang Type (Early 20's/Late 20's??) - Each

Product no.: 1064 5419(Early)

This is the 'short tang' type gearbox kickstarter spring fitted to the 3 Speed Sturmey Archer CS type gearbox, and possibly other early Sturmey Archer gearbox's - both Norton and other marques, this most likely being for earlier, 1920's SV/OHV models - but please read all of this description listing and that of similar Item 1108 before orderingl Price is each.

£14.00 *
In stock

Norton Sturmey Archer CS Gearbox Kickstarter Spring - Long Tang Type (Late 20's/Early 30's) - Each

Product no.: 1108 5419

This is the 'long tang' type gearbox kickstarter spring fitted to the 3 Speed Sturmey Archer CS type gearbox - as fitted to most Norton SV and OHV models in the mid 1920's to approximately 1932.  We also sell a similar CS type spring with shorter tang (Item 1065), See listing detail for information on each type.  Price is each.

£14.00 *
In stock

Norton Upright Gearbox Linkage Clevis Pins+Split Pins - Pair

Product no.: 0357 A2/427

These are a modern equivelant for the clevis pins used to connect the gear linkage on Norton gearbox's between the positive stop selector mechanism and the main gearbox selector plate.  Listing is for 2 clevis pins and 2 split pins

£2.60 *
In stock

Norton Upright Gearbox Linkage Clevis Pins+Split Pins - Pack of 4

Product no.: 0357B A2/427_4

These are a modern equivelant for the clevis pins used to connect the gear linkage on Norton gearbox's between the positive stop selector mechanism and the main gearbox selector plate and often also fitted to Brake rod clevis's.  Listing is for 4 clevis pins and 4 split pins

£4.80 *
In stock

Norton Gearbox - Sleevegear Roller Set

Product no.: 0032 A2/318

Set of 13 rollers to fit all Norton pre-Amc gearbox mainshaft sleevegears (+1 spare)

£8.50 *
In stock

Norton Upright Gearbox Top Adjustment Bolt/Assembly Set

Product no.: 0569 GearbxAdjstSet1

This listing is for the complete top gearbox locating and adjustment assembly used on Norton models fitted with 'Upright' gearboxs.  It is a combination of Items 0566, 0567 and 0568, all manufactured in stainless steel. See detail listing for more information.  Update April 2022: New Batch In Stock

£75.00 *
In stock

Gearbox Primary Chain Adjuster Assembly (Stainless Steel)

Product no.: 0568 A2/314

This is the gearbox top bolt adjuster assembly that was fitted to all 'upright' Norton gearbox models (i.e. rigid and plunger framed), that screwed through the top gearbox bolt (Item 0566) and allowed the gearbox to be moved backwards and forwards to adjust the primary chain.  All parts manufactured in stainless steel - see detail isting for more information

£36.00 *
In stock

Upright Norton Gearbox - Gardengate Manx Gearbox Adjuster Top Nut - Stainless Steel

Product no.: 0567 A11M/313

This is the top gearbox nut that is fitted onto the Upright Adjuster Bolt (Item 0566), that is loosened and tightened to adjust primary chain tension on all upright gearbox models.  This version is copied from an original pre-Featherbed Manx Norton type, but can be used on all models.  CNC manufactured in stainless steel.

£18.00 *
In stock

Upright Norton Gearbox Top Shoulder Bolt - Stainless Steel

Product no.: 0566 A2/310

This is the distinctive top should bolt that provides the top gearbox mounting for all 'upright' style Norton gearboxs (i.e. anything prior to swinging arm or Featherbed frame). CNC manufactured in high tensile stainless steel

£24.00 *
In stock

Norton Upright Gearbox - Top Adjustment Bolt Washer - E5454 (Each)

Product no.: 0461 E5454

This is the special extra wide washer that fits behind the gearbox top primary chain adustment nut on upright gearbox's.  We have these lasercut and then dull nickel plated washer with the very wide face, this washer fits behind the large nut on top gearbox bolt nut an is important iin helping to spread the load on upright gearbox top lugs (which often snaps if frame lug worn).  Price is Each.

£3.40 *
In stock

Square Head Manx Norton/M30 Type Clutch Spring Screw - Stainless Steel: Each

Product no.: 0881 A11M/403

This is the distinctive square head, shouldered clutch spring screw as fitted to orginal Manx Norton and M30 competition 3 plate clutch's. These are identical in dimensions to the original screws, but CNC manufactured in Stainless Steel.  Price is Each.  Update June 2023 - Now back in stock

£14.00 *
In stock

Square Head Screwdriver to fit 0885 (Manx Norton Type) Clutch Screws - Each

Product no.: 0885 SqScrewDrvr

This useful square head 'screwdriver' from a good quality tool manufacturer is a very handy tool for screwing in and out the Square Head Manx Type clutch bolt we manufacturer (Item 0881).  Price is Each

£7.00 *
In stock

Lipped (Early Standard) Type Hex Head Clutch Spring Screw - Stainless Steel: Each

Product no.: 0882 A2/403

This is the lipped clutch bolt design fitted to most standard Norton clutch's from 1930's through to the introduction of the AMC clutch in the late a1950's.  This item is CNC manufactured from stainless steel with shoulder to centralise clutch spring.  Price is each.

£8.20 *
In stock

Lipped (Early M30/Manx Spec) Type Hex Wasted Head Clutch Spring Screw - Stainless Steel: Each

Product no.: 0883 A2/403R

This is a wasted/competition version of the lipped clutch bolt design fitted to most standard Norton clutch's from 1930's through to the introduction of the AMC clutch in the late a1950's.  This item is CNC manufactured from stainless steel with shoulder to centralise clutch spring - its head is drilled in the centre to reduce weight, which also looks very pretty on an open competition clutch!  Price is each.

£9.20 *
In stock

Square Section (HD type) Clutch Springs (Standard/Some M30 Clutch's): 1.820" Length - Set of 3

Product no.: 0386 A2/399SQ

Set of 3 HD/racing type 'square section' clutch springs - these being of 1.820" length, as fitted to many roadgoing Norton clutch's and some racing clutch's (see detail listing for detail). Price is for a Pack of 3

£28.00 *
In stock

Clutch Spring Holder Cup for Standard Norton Clutch (Stainless Steel) - Each

Product no.: 0880 A11/400

Clutch spring cups to fit standard 1930's/60's Norton (4 plate type) clutch - these cups are 1.450" in length. CNC machined from stainless steel bar. Price is each

£17.00 *
In stock

Square Section Racing Clutch Springs to fit SOHC/DOHC Manx Norton: 1.620" Length - Set of 3

Product no.: 0387 A11M/399SQ

Set of 3 racing type 'square section' clutch springs - these being of 1.620" length, this being a length commonly used on the Norton scolloped racing clutch (which used 4 plain plates, rather than the roadgoing clutch which used 5 plain plates) - read detail listing for more information. Price is for a Pack of 3

£27.00 *
In stock
*
Recommended Retail Price, plus delivery
31 - 60 of 103 results