degreestudio Posted June 13, 2018 Report Share Posted June 13, 2018 Hello, have anybody used these kind of tachometers on Montesa 4RT engine ? https://www.youtube.com/watch?v=u6-RZCjBvxc I bought the same one but this has three settings: Mode 1: spark plug fires twice per rev Mode 2: once per rev Mode 3: every other rev Which one should go for Montesa 4RT ? Thanks! Quote Link to comment Share on other sites More sharing options...
maxwell smart Posted June 14, 2018 Report Share Posted June 14, 2018 with my single cylinder close proximity tachometer I have to set the rpm to 900/950 to achieve the proper idle of 1800/1850 . this has led me to think its only firing on the power stroke somehow Quote Link to comment Share on other sites More sharing options...
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