Amal 928/300 Premier Concentric Carb
Amal 928/300 Premier Concentric Carb 928/300 Amal MK1 28mm Premier Concentric Carburetter

928/300 Amal MK1 28mm Premier Concentric Carburetter

Part : 928/300PREM

Availability: In stock

Excl. Tax: £124.00 Incl. Tax: £148.80
928/300 Amal MK1 Premier Concentric 900 Series

Availability: In stock

Excl. Tax: £124.00 Incl. Tax: £148.80
*VAT Removed at checkout for Non EEC Members


Right hand, 28mm bore, 4 stroke..

Fully adjustable float fitted as standard!

Main Jet: 180

Throttle Slide No.: 3

Needle Jet: 106

Suitable for

  • BSA B25/C25 1967-72
  • BSA A65 Thunderbolt 1968-70
  • Triumph TR25W 1968-70
  • Triumph TR25SS 1971-72
  • Triumph TR5T Trophy Trail/Adventurer 1973
  • Also suitable for specials requiring 28mm carbs


Amal Premier Carb

The Premier version of the MK1 Concentric includes all the recent upgrades such as hard anodised slide, Stay-up float, new precision engineered idle circuit and aluminium needle valve. It has also been modified to use a new design of pilot jet.

Manufacturers' Description

The 900 Series AMAL Carburetter for four stroke applications has been re-designed to improve performance and wear. The new carburetter incorporates changes in materials which reduce the rate of slide and body wear and a precision engineered idle circuit which improves the pick up performance from idle and reduces fuel consumption. The precision manufactured forged alloy, hard anodised throttle slide has a low friction surface for smoother operation and greater wear resistance. The material of the carburetter body has a “passivated” finish which resists corrosion, whilst the ethanol resistant, puncture proof StayUp float and viton tipped alloy needle valve improve control of the fuel flow.
A new easily removable pilot jet provides precise metering of the idle circuit. The jet, which is located in the opposite position to the pilot air screw, is manufactured to tight tolerances allowing it to be replaced with minimum disruption to the adjustment of the carburetter. Initially the size of the jet replicates the 622/107 pilot bush. Other sizes will be available shortly. Removal of the jet allows access to the rest of the idle circuit for servicing. The new jet cannot be fitted to earlier versions of the Mk1 Concentric.

Additional Information


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