1.k Norton Gearbox and Clutch Parts

1.k Norton Gearbox and Clutch Parts
SOHC Norton Gearbox and Clutch Parts

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Gearbox Bearing - Mainshaft Main Bearing : All Models - SOHC/OHV/SV

Product no.: 0029 A2/316

- Large shielded single row ball bearing. This is the main bearing fitted to all upright and laydown Norton gearbox's from the 1930's - 1950's gearbox's. 

£45.00 *
In stock

Gearbox Bearing - Mainshaft All models/Layshaft : Model 30M/40M (Manx)

Product no.: 0030 A2/321

- Single row ball bearing. Fitted to all upright and Norton laydown gearbox's mainshafts and Manx model layshafts on the right hand (timing) side.  High quality RHP brand

£29.00 *
In stock

Norton Gearbox - Left Hand Layshaft Ball Bearing

Product no.: 0031 B2/322

Single Ball Bearing to fit all Norton upgright and pre-AMC laydown gearbox drive side layshaft - high quality manufacturer

£24.00 *
In stock

Norton Upright and Pre-AMC Gearbox - Mainshaft Thrust Washer

Product no.: 0641 A2/328

Norton Upright Gearbox and Pre-AMC (i.e. laydown) gearbox - bronze mainshaft Thrust Washer 

£19.50 *
In stock

Norton Gearbox - Sleevegear/Main Bearing Oil Retaining Shim - Price Each

Product no.: 0853 A2/317

This is the large oil retaining shim that is fitted between the mainshaft sleevegear and main gearbox bearing on all upright and laydown Norton gearboxs from the 1930's to late 1950's (i.e. pre-AMC) - as per original fitment.  Price Is Each

£3.80 *
In stock

Norton Gearbox - Oil Retaining Shim: Outer Bearing (Pre-War) or Reduced OD A2/417 - Price Each

Product no.: 0854 9666

This is the oil retaining shim that was shown as fitted between the main gearbox bearing and gearbox shell on pre-war Norton spare parts list - but can also be used as an alternative to the large inner bearing shim - see detail listing for more information. Price Is Each

£3.50 *
In stock

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.

£2.80 *
In stock

Norton Gearbox - Selector Pawl - Front Shim (If Fitted or Required)

Product no.: 0852 Shim8

Optional Shim fitted in front of Selector Pawl - to improve slickness of gear selection (see detail listing for information) - Each

£2.80 *
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

 

£8.00 *
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

 

£2.80 *
In stock

Norton Gearbox - Gearchange Return Spring for Selector Mechanism

Product no.: 0384 A2/410

This spring is is the main return spring that fits in the gearbox selector mechanism, 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. 

£7.00 *
In stock

Norton Gearbox Kickstarter Spring

Product no.: 0385 A2/367

As with the gearbox Return spring, this kickstarter spring is commonly worn on Norton gearbox's - often identifiable by the kickstarter moving backwards by its own accord on takeoff from standstill. As with the Return Spring, a good quality original used as the template to manufacture these

£7.00 *
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

£2.20 *
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

£4.00 *
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

£3.30 *
In stock

Norton Gearbox - Sleevegear Rollers

Product no.: 0032 A2/318

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

£5.80 *

Upright Gearbox Cover Screws/Washers - Pair

Product no.: 0113 A11M/822
This Item listing is for a pair (i.e. two) of stainless steel cheesehead screws and red fibre washers to fit the oval shaped positive stop inspection cover on Norton upright pre-War gearbox's (both road and race gearbox's). These cheesehead screws are copied from an original gearbox screw, having a wider head than standard modern cheesehead screws. Sorry these are not cheap but are specially made for us, bar-turned from stainless rod by the same manufacturer that also makes my stainless cheesehead engine screw sets. also included is a pair of high quality red fibre washers that fit under the screws
£4.30 *

Norton Gearbox Endplate Nuts - Upright Gearbox

Product no.: 0099 A11M/307

- These are the distinctive Norton gearbox nuts as fitted to the endplate of all upright Pre-War Norton models and pre-Featherbed Manx models. Made in Stainless Steel and very pretty

£3.40 *
In stock

Norton Upright Gearbox Cover Stud - All Models

Product no.: 0100 a2/307
This is the gearbox cover stud that fits into the shell of all upright gearbox's. An original was used as a pattern, these are identical, other than being manufactured in stainless steel. 7 are fitted per gearbox. Note: This item is slightly longer than the vertical bevel stud, it is 5/16" BSC both ends and can also be used as the Inlet Stud on cylinder heads - but check the thread on your head first, sometimes these are BSW.
£2.50 *
In stock

Thin Width Gearbox and Bevel Stud Spring Washers - 5/16" (per 20)

Product no.: 0102 SW002

Used on upright Norton gearbox's, these stainless steel thin width spring washers fit under the blind nut on the front gearbox cover. Ours are in stainless steel and of good UK quality, price is for a pack of 20

£3.70 *

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.

£60.00 *

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

£29.00 *
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.  Manufactured in stainless steel.

£16.00 *
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

£17.00 *
In stock

Norton Upright Gearbox Bolt Washer

Product no.: 0461 A11M/313W
Lasercut and then dull nickel plated washer with very wide face, this washer fits behind the large nut on top gearbox bolt nut an is useful to help spread load on upright gearbox top lug (which often snaps if frame lug worn)
£2.00 *

Square Section (HD type) Clutch Springs to fit Std / Some M30 Clutchs: 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

£25.00 *
In stock

Clutch Spring Holder Cup for Manx Clutch (Stainless Steel) - Each

Product no.: 0610 A11M/400

Clutch spring cups to fit competition M30/Manx Norton (3 plate type) clutch - these cups are 1.250" in length. CNC machined from stainless steel bar. Price is each

£10.00 *
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

£25.00 *
In stock

New 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

£6.50 *
In stock

New 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.

£8.50 *
In stock
*
Recommended Retail Price, plus delivery
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