Parts index


We stock over 38 Main engine & side casing spares

This section contains all the main engine & side casing spares we offer.


Showing parts 1 - 38 of 38

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Lambretta cylinder head, 225 road (reprofiled to suit 70mm Race-Tour and Lambretta pistons) MB
MRB0755K

We take these thicker cast heads and reprofile them to suit 70mm Lambretta domed pistons, then open out the combustion chamber and lower the... [more]


£ 161.68£ 134.73 (Ex Vat)
Bearing, gear cluster needle roller
MBB0033

A high quality gear cluster needle bearing.   This sits in your engine casings underneath the gear cluster.... [more]


£ 12.14£ 10.12 (Ex Vat)
E clip, 10mm, for Gp clutch arms, self coloured
MBFEC10SC

Amongst many applications this fastener can specifically be used on the GP clutch arm, inside the casing.... [more]


£ 0.19£ 0.16 (Ex Vat)
Engine bar, nyloc nut, stainless steel, MB
MBL1279

Amongst many applications this fastener can specifically be used for the Lambretta engine bar as well as to secure the rear shocker.... [more]


£ 4.21£ 3.51 (Ex Vat)
Washer, plain, 16mm, form A thicker, stainless steel
MBFPWA16

Amongst many applications this fastener can specifically be used under the engine bar nuts.... [more]


£ 0.42£ 0.35 (Ex Vat)
Stud, 8 x 163mm, cylinder stud, high tensile, MB
MBFST8X163SC

The original cylinder studs are not suitable for several reasons - they are not very strong and they are not long enough to suit... [more]


£ 2.82£ 2.35 (Ex Vat)
Cylinder 200, factory, SIL
MBL0093

This item is an Indian 200cc cylinder which will fit all Lambretta 200 casings.   It comes roughly stage 4 tuned from the factory.   It... [more]


£ 101.77£ 84.81 (Ex Vat)
Lambretta cylinder head, 150 standard
MBL0096

This is an Indian cylinder head.   It can be used on a standard scooter or we can reprofile it to suit any 175/185/190/200cc... [more]


£ 35.63£ 29.69 (Ex Vat)
Crankcase side and gearbox dowel
MBL0132

These dowels fit in your engine case and are used to locate the crankcase side.   They are also used to locate the gearbox end... [more]


£ 1.26£ 1.05 (Ex Vat)
Drain, level and filler cap, fibre washer, MB
MBL0134

This fibre washer sits between the level, drain and filler plugs to provide a seal.    You need 3 per crankcase side.... [more]


£ 0.49£ 0.41 (Ex Vat)
Bearing, end plate layshaft outer track, MB
MBL0154

This track/bush is pressed into the gearbox endplate and the layshaft needle bearing runs in it.   They do wear and are worth changing. If you... [more]


£ 14.80£ 12.33 (Ex Vat)
Rubber, engine bump stop
MBL0155

This rubber item sits in a hole on the top of your casing and supports your frame on your engine when the rear shocker... [more]


£ 3.02£ 2.52 (Ex Vat)
Engine bar frame cones, pair
MBL0161PR

This pair of metal cones sit in the two holes on your frame and the engine bar goes through the middle of them.... [more]


£ 6.24£ 5.20 (Ex Vat)
Engine mounting, Sx, Tv, Gp, each
MBL0162

These have been our prefer engine mounts for many years until the BGM mounts were made, there's nothing wrong with these and make a... [more]


£ 18.82£ 15.68 (Ex Vat)
Engine mounting, Li, each
MBL0163

We prefer these Indian made engine mounts over all other engine mounts on the market.   They last and do the job they are intended... [more]


£ 11.72£ 9.77 (Ex Vat)
Bearing, gear cluster outer track
MBL0218

This bush sits in your casing and the gear cluster and bearing runs in it.   They rarely wear because they should run in... [more]


£ 8.88£ 7.40 (Ex Vat)
Gear selector arm bush
MBL0223

This bush sits in your casing and the gear arm goes through it.    It does occasionally wear and is easy to replace.    MRB do a simple... [more]


£ 4.15£ 3.46 (Ex Vat)
Crankcase side kickstart rubber bump stop
MBL0404

This small rubber fits into the crankcase side to stop the kick-start pedal when it springs back up.... [more]


£ 1.56£ 1.30 (Ex Vat)
Kickstart inner bush, large
MBL0924

This bush fits into the crankcase side and your kick-start goes through it, worth changing when you overhaul your engine or if you are... [more]


£ 3.61£ 3.01 (Ex Vat)
Engine bar, Li short, steel
MBL1082

This is a remade engine bar to suit any Series 1, 2 or 3 Lambretta with the small type engine mounts.... [more]


£ 6.64£ 5.53 (Ex Vat)
Engine bar, Li short, includes two nyloc nuts
MBL1086

This Engine bar will suit any engine with the small type engine mounts.    It comes complete with two nyloc nuts.... [more]


£ 2.68£ 2.23 (Ex Vat)
Gasket, cylinder base, 125, 150, 175, small block, 0.5mm
MBL1364

Made for us to original designs this is a base gasket for all 125/150/175cc casings.    It is approximately 0.5mm thick so can be added or... [more]


£ 1.31£ 1.09 (Ex Vat)
Gasket, cylinder base, 125, 150, 175, small block, 1.0mm, MB
MBL1365

This is a base gasket for all 125/150/175cc casings.    It is approximately 1mm thick so can be added or left out to get your squish... [more]


£ 3.60£ 3.00 (Ex Vat)
Gasket, crankcase side
MBP0181

This is a crankcase side gasket to fit all Series 1, 2 or 3 crankcase sides (except TV Series 1).... [more]


£ 3.14£ 2.62 (Ex Vat)
Crankcase side level plug, chrome
MBL1430

Although we have had this item remade in stainless steel we keep this item as a budget alternative.... [more]


£ 4.48£ 3.73 (Ex Vat)
Cylinder head 3/4 length nut, MB
MRB0205

Another excellent idea from MRB, made specially to work in conjunction with our longer high tensile cylinder studs.    They are just over three times the... [more]


£ 3.61£ 3.01 (Ex Vat)
Lambretta cylinder head, 125-250 liquid cooled, centre plug, MB
MRB0239K

This two part head is cast for us in heat treated aluminium and then we machine it to suit your cylinder.    It can be done... [more]


£ 324.40£ 270.33 (Ex Vat)
Lambretta cylinder head, 125-250 with cowlings, centre plug, MB
MRB0240K

This is our special heat treated aluminum cast performance center plug cylinder head.     It is designed to fit under a normal Lambretta head cowlings,... [more]


£ 216.00£ 180.00 (Ex Vat)
Lambretta cylinder head, 200-250, square head, without cowlings, centre plug, MB
MRB0241K

This is our original special heat treated aluminum cast, oversized center plug head.    The biggest and best cooling head on the market.    It is designed to... [more]


£ 219.50£ 182.92 (Ex Vat)
Lambretta cylinder head distance spacer nut, MB
MRB0242

We have had these nuts remade and zinc plated.    It is the one that fixes your cylinder head on, then the bolt that holds your... [more]


£ 2.33£ 1.94 (Ex Vat)
Crankcase side level plug, stainless steel, MB
MBP0064

We were disappointed with the quality of the level plugs available so we made them in stainless steel. Idea on their own or in our... [more]


£ 12.56£ 10.47 (Ex Vat)
Crankcase side drain plug, stainless steel, MB
MBP0069

We were disappointed with the quality of all the drain plugs available, so we made our own in stainless steel.    It is fitted with a... [more]


£ 18.25£ 15.21 (Ex Vat)
Crankcase side filler (breather) cap, stainless steel, MB
MBP0082

Our new MB Road -Race filler breather cap.    Made from stainless steel, designed by Mark Broadhust.    Comes with a length of pipe long enough to cable... [more]


£ 10.86£ 9.05 (Ex Vat)
Engine bar, Sx, Tv, Gp long type, stainless steel, MB
MBP0103

When stripping a scooter down it is common to find that the engine bar is rusted in and can sometimes be a nightmare to... [more]


£ 17.80£ 14.83 (Ex Vat)
Engine bar, Li short type, stainless steel, MB
MBP0104

When stripping a scooter down it is common to find that the engine bar is rusted in and it can sometimes be a nightmare... [more]


£ 14.08£ 11.73 (Ex Vat)
Brake shoe plate, Li, Sx, Tv, stainless steel, MB
MBP0136

This MRB plate sits on top of the two brake shoe pivots and is held in place by two circlips.    Li, Sx, Tv only... [more]


£ 2.28£ 1.90 (Ex Vat)
Lambretta cylinder kit, factory SIL 200, MB
MRB0784K

This extremely popular cylinder kit is one of our best selling items.    We take an Indian cylinder and match it to one of our high... [more]


£ 408.07£ 340.06 (Ex Vat)