Burlen welcomes customers back to the shop from the 12th April. Temporary opening hours Monday to Thursday 09:00 – 17:00 & Friday 09:00 – 16:30.


The technical articles for SU are divided into categories.

Please click a category heading on the left to show or hide the articles in the category. Please click on an article name to go to the actual article or click on the relevant image below to go to the first page in each category.

The SU Carb company
Jet Needles
Introduction to SU Carburetters
H Types Carburetters
HD Type Carburetters
HS Type Carburetters
HIF Type Carburetters
Thermo Carburetters
Electric Fuel Pumps
Mechanical Fuel Pumps
Choke units and Thermos
Fuel Pumps
Technical Maintainance and settings
Needle Comparison Charts