Parts to fit those gearbox/clutch's fitted to all single cylinder Norton models - particularly upright type gearbox
1947-50 Upright Gearbox - Complete SS Cheesehead Screw/Cover Bolt SetProduct no.: 0995 CH HD4Complete cheesehead screw/nut set for the 1947-49 roadgoing type Norton Upright gearbox - as fitted to SV/OHV/SOHC roadgoing models. Consists of 4 main cheesheads, 2 smaller 'inspection cover' type cheeseheads and botton stud spring washer and 5/16" BSC nut - all CNC'd by ourselves in stainless steel to the original Norton patterns. Price is for 8 items in total can be shipped within 60 days |
1947-50 Upright Gearbox - Inspection Cover SS Cheesehead Screw - PairProduct no.: 1003 CH HD8These are the two small screws used on the egg shape 'Norton' Clutch Worm adjuster inspection panel on 1947-50 type Norton Upright gearoboxs. This type of inspection cover was only fitted for small period of two years and the screw used was smaller than other Norton cheesehead screws - so they are hard to find. These are bar turned stainless steel with the correct thread and Norton gearbox head profile. Price is per Pair can be shipped within 60 days |
1951-56 Laydown Gearbox - Complete SS Cheesehead Screw/Cover BoltFiller Plug SetProduct no.: 0996 CH HD5Complete cheesehead and cover bolt set for Norton Laydown type gearoboxs, as fitted to all roadgoing Norton models and DOHC Manx Nortons from 1950-56. Set consists of 7 main cheesehead cover screws, 2 clutch worm inspection cover screws, 3 blind lower hex nuts and washer and the correct Norton type square slotted Filler Level Plug. All in stainless steel. All copied from original Norton patterns - see listing for details |
1951-56 Laydown Gearbox - Oil Filler Level Square Head/Slotted Plug Screw (Stainless Steel)Product no.: 0997 13765This 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 can be shipped within 60 days |
1933-50 Upright Gearbox - Cam Plate Plunger and Cam Plate Plunger Spring (Pair)Product no.: 1010 A2/350+352This 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 can be shipped within 60 days |
1933-50 Upright Gearbox - Cam Plate Plunger Spring (Each)Product no.: 1011 A2/352This 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
can be shipped within 60 days |
Norton Gearbox - Selector Pawl Carrier Spacing ShimProduct no.: 0851 A2/415This 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. |
Norton Gearbox Mainshaft/30M Layshaft End Shim: Set of 3 ShimsProduct no.: 0405S A2/324SHSSet 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
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Norton Gearbox Mainshaft/30M Layshaft End Shim: Single Shim: Various ThicknessesProduct no.: 0405 A2/324Sh1Single 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
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Norton Gearbox - Gearchange Return Spring for Positive Stop Selector Mechanism - EachProduct no.: 0384 A2/410This 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 |
Norton Upright Gearbox - Cam Plate or Quadrant Spindle Washer - Pack of ThreeProduct no.: 0639 A2/346Norton 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 |
Norton 1934-57 Upright and Laydown Gearbox Kickstarter SpringProduct no.: 0385 A2/367This 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 |
Norton 1934-57 Upright and Laydown Gearbox Kickstarter Spring Cover (Machined from bar) - EachProduct no.: 1063 A2/358This 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. |
Norton 500T Trials Model Gearbox Kickstarter Spring - EachProduct no.: 1166 A2/367TThis 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. |
Sturmey Archer 1932-34 4-Speed Gearbox Kickstarter Spring (i.e. Mod30/40, Model 18) - EachProduct no.: 1066 9710This 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. |
Sturmey Archer 3 Speed Kickstarter Spring - 1920s Long Tang Type (Walter Moore CS1/ES2 Type) - EachProduct no.: 1065 4585This 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. |
Sturmey Archer CS Gearbox Kickstarter Spring - Short Tang Type (Early 20's/Late 20's??) - EachProduct 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. |
Norton Sturmey Archer CS Gearbox Kickstarter Spring - Long Tang Type (Late 20's/Early 30's) - EachProduct no.: 1108 5419This 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. |
Norton Upright Gearbox Linkage Clevis Pins+Split Pins - PairProduct no.: 0357 A2/427These 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 |
Norton Upright Gearbox Linkage Clevis Pins+Split Pins - Pack of 4Product no.: 0357B A2/427_4These 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 |
Norton Gearbox - Sleevegear Roller SetProduct no.: 0032 A2/318Set of 13 rollers to fit all Norton pre-Amc gearbox mainshaft sleevegears (+1 spare) |
Norton Upright Gearbox Top Adjustment Bolt/Assembly SetProduct no.: 0569 GearbxAdjstSet1This 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 |
Gearbox Primary Chain Adjuster Assembly (Stainless Steel)Product no.: 0568 A2/314This 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 |
Upright Norton Gearbox - Gardengate Manx Gearbox Adjuster Top Nut - Stainless SteelProduct no.: 0567 A11M/313This 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. |
Upright Norton Gearbox Top Shoulder Bolt - Stainless SteelProduct no.: 0566 A2/310This 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 |
Norton Upright Gearbox - Top Adjustment Bolt Washer - E5454 (Each)Product no.: 0461 E5454This 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. |
Square Head Manx Norton/M30 Type Clutch Spring Screw - Stainless Steel: EachProduct no.: 0881 A11M/403This 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 |
Square Head Screwdriver to fit 0885 (Manx Norton Type) Clutch Screws - EachProduct no.: 0885 SqScrewDrvrThis 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 |
Lipped (Early Standard) Type Hex Head Clutch Spring Screw - Stainless Steel: EachProduct no.: 0882 A2/403This 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. |
Lipped (Early M30/Manx Spec) Type Hex Wasted Head Clutch Spring Screw - Stainless Steel: EachProduct no.: 0883 A2/403RThis 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. |
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