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Billy Mariner photo
Guatemala, Guatemala City
1 Level
734 Review
65 Karma

Review on Sierra International 18 9850 Backlash Indicator by Billy Mariner

Revainrating 5 out of 5

Searched everywhere and found it on Amazon

This tool is essential when tuning on many boxes Mercury gear, including a sports jet. It requires guesswork from a very expensive job

Pros
  • Compatible Drives: TR, TRS, MC-I, R-MR, Alpha One, Alpha One/Gen II and Bravo One and Two
Cons
  • No Automatic