Triumph Stag Fuel System
Optimise your Stag's fuel delivery with our comprehensive range of carburettor and fuel system components. The twin Stromberg CD150 carburettors provide smooth, progressive power delivery when properly maintained and adjusted. From complete reconditioned units to individual rebuild components, we ensure your fuel system delivers the refined performance that makes the Triumph Stag such an engaging drive.
How do Stromberg carburettors deliver smooth power?
The constant depression design maintains optimal air/fuel ratios across the rev range through automatic mixture adjustment. Unlike fixed-jet carburettors, the Stromberg system responds to airflow changes instantly, providing smooth acceleration without flat spots or hesitation. This sophisticated approach explains why Triumph chose this system for their flagship grand tourer.
Inlet manifold design distributes the air/fuel mixture evenly between cylinders, ensuring consistent combustion and smooth running. The manifold also provides mounting points for carburettors and associated components, making it a crucial element in overall system performance. Our Triumph Stag fuel system components maintain these precise relationships for optimal engine response.
What's involved in carburettor restoration?
Reconditioned carburettors provide the most comprehensive solution for fuel system problems. Complete reconditioning includes new internal components, precise calibration, and thorough testing to ensure optimal performance. This approach eliminates the guesswork involved in piecemeal repairs whilst guaranteeing compatibility between all internal components.
Carburettor overhaul kits and gasket sets enable home restoration of serviceable units. These kits include all wearing components and seals needed to restore proper operation. The vacuum advance/retard mechanisms, damper pistons, and diaphragms all require periodic renewal to maintain accurate fuel metering and ignition timing control.
Which air cleaner systems suit different driving requirements?
Twin air-intake systems on MK1 models provide maximum airflow capacity for performance applications. The separate air cleaner boxes and filters reduce restriction whilst maintaining filtration efficiency. This arrangement also balances intake noise and provides the classic appearance that many enthusiasts prefer for authenticity.
Single air-intake systems on MK2 models prioritise refinement and packaging efficiency. The consolidated air cleaner design reduces underbonnet clutter whilst maintaining adequate flow capacity for standard applications. Air cleaner fittings ensure proper sealing and mounting, preventing unfiltered air from bypassing the filtration system.
How do fuel delivery components ensure reliable operation?
The fuel pump and inertia cut-out switch provide both fuel supply and safety protection. Mechanical fuel pumps deliver consistent pressure whilst the inertia switch prevents fuel flow in accident situations. These components work together to ensure adequate fuel supply under all normal operating conditions whilst providing crucial safety features.
Fuel pipe fittings and filters prevent contamination from reaching the carburettors whilst maintaining proper fuel pressure. The fuel tank and filler cap system must prevent water ingress whilst allowing proper venting. Vent pipes and fittings ensure tank breathing whilst preventing fuel spillage during cornering or parking on slopes.
What maintenance keeps the fuel system working optimally?
Regular carburettor servicing prevents the gradual deterioration that affects both performance and reliability. Float chamber and needle valve condition directly affects fuel metering accuracy, whilst temperature compensators and starter mechanisms ensure proper operation across all conditions. Accelerator pedal and linkage maintenance provides precise throttle control and driver confidence.
Choke cable and fitting adjustment ensures proper cold-start operation without affecting warm running. Carburettor fuel overflow pipes prevent flooding whilst indicating internal problems before they become serious. Breather pipe maintenance prevents crankcase pressure from affecting fuel system operation. Our comprehensive fuel system service ensures your Stag delivers crisp throttle response and smooth power delivery in all conditions.