Triumphs Only, Inc. - Triumph Technical Service Bulletin

Ignition Timing Emission Control Systems- Spitfire, GT-6 & TR-250

January 28, 1969

Given below are the emission settings for the emission control system and these should be taken at the idle speed of 800-850 rpm. With the use of a stroboscope:

Spitfire MK3 - 2° - ATDC

GT-6 - 4° - ATDC

TR-250 - 4° - ATDC


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