Genuine Amal main jet size 170.
All genuine Amal jets are calibrated to a flow rate. The number 170 indicates that it will flow 170cc’s of fuel in one minute at a specified head. Beware of imitations as they are just drilled to a size.
4/042-170
CLASSIC BIKE SPARES specialises in spare parts for classic Triumph, Norton and BSA motorcycles. We carry over 5,000 parts, and we are getting more all the time. Enter the part number or part name in the Search box to find your part. If it's not on the shelf, we can try to get it for you! Some of the brands we stock are Amal carburettors, Lucas electrical, Tri-Spark and Boyer ignition kits, Devon rims and spokes, Hepolite pistons and Harris Triumph parts.
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