Amal Carburetor Tuning & Technical Guide
Download the complete PDF version using the green download button at the top right of this page for detailed Amal carburetor tuning, jetting and technical reference information. This comprehensive Amal tuning guide covers Monobloc, Concentric and MKII carburetors used on many classic British motorcycles including Norton, Triumph, BSA and Vincent models.
The guide explains the five tuning stages of Amal carburetors, fuel mixture diagnosis, float level setup, needle and needle jet selection, spray tube identification, slide cutaway tuning and troubleshooting for both rich and lean running conditions. Extensive factory jetting charts, part numbers and technical diagrams are also included throughout the document.
Contents Include
- Amal Monobloc, Concentric and MKII carburetor tuning
- Pilot jet, needle jet and main jet adjustment information
- Rich and lean fuel mixture troubleshooting charts
- Float level adjustment procedures and specifications
- Needle, spray tube and slide identification charts
- Factory jetting settings for two-stroke and four-stroke engines
- Detailed Amal component part number listings
- Idle circuit and throttle response tuning techniques
- Fuel flow and float bowl troubleshooting
- Technical diagrams and exploded component illustrations
Covered Carburetor Types
- Amal Monobloc
- Amal Concentric MKI
- Amal Concentric MK1 1/2
- Amal MKII
- Amal Racing Carburetors
This technical workshop reference is useful for classic British motorcycle owners, restorers and mechanics tuning Amal carburetors for improved starting, idle quality and throttle response.
