Phoenix SU Carburetter Conversion Fitting Instructions for Norton Commando
Download the complete PDF version using the green download button at the top right of this page for the Phoenix Motorcycles fitting instructions covering the SU HIF6 carburetter conversion kit for Norton Commando 850 and 750 models. This technical leaflet explains installation of the Phoenix single-carb conversion kit, including manifold fitting, air filter changes, cable routing, breather hose positioning and initial carburetter setup.
The instructions cover removal of the original carburetters and manifold, preparation of the cylinder head joint face, modification of the 850 “Black Box” air filter casing and fitting of the supplied free-flow foam filter. It also explains installation of the new manifold, SU HIF6 carburetter, ram pipe flange, fuel pipes, throttle cable and cold-start cable.
Later sections provide initial tuning settings for the SU HIF carburetter, including dashpot oil, idle speed adjustment, jet mixture adjustment and warm-up behaviour. The leaflet also includes an illustrated kit contents list, a carburetter component diagram and notes on routing the oil breather pipe into the filter element where required.
Contents Include
- Phoenix SU carburetter conversion fitting instructions
- Applies to Norton Commando 850 and 750 models
- SU HIF6 carburetter installation guidance
- Original carburetter and manifold removal
- 850 Black Box air filter casing modification
- Free-flow foam filter and ram pipe fitting
- Manifold, gasket and carburetter installation
- Throttle cable and cold-start cable setup
- Fuel pipe and breather pipe routing
- Dashpot oil and initial carburetter preparation
- Idle speed and mixture adjustment guidance
- Illustrated SU HIF carburetter component diagram
- Phoenix kit contents list
