71zman Posted February 18, 2018 Report Share Posted February 18, 2018 I recently converted my M49 to an electronic ignition using the Electrex product - works great out of the box! In the stock configuration, the manual specifies a spark plug gap of 0.35 to 0.45 mm. Wondering if with the newer electronic ignition, should I be using a larger spark plug gap like 0.60mm to possibly get a fatter spark?? Quote Link to comment Share on other sites More sharing options...
copemech Posted February 19, 2018 Report Share Posted February 19, 2018 I would think that just fine. Quote Link to comment Share on other sites More sharing options...
tony27 Posted February 19, 2018 Report Share Posted February 19, 2018 I use 1 of there systems in my CZ380 & run a iridium plug with the gap as it leaves NGK which is 0.7mm from memory, I wouldn't try adjusting the gap on that style plug as the centre electrode is really fine Never had a problem with hard starting, flame outs or fouling. My TY250 has 1 of their systems as well but I haven't used it yet, will be using the fine wire plug in that as well Quote Link to comment Share on other sites More sharing options...
carl ekblom Posted February 19, 2018 Report Share Posted February 19, 2018 I use Electrex Bultaco ignition and Champion N11YC at 0.6mm. No problem att all so far Carl Quote Link to comment Share on other sites More sharing options...
section swept Posted February 19, 2018 Report Share Posted February 19, 2018 Setting the gap on an Iridium plug is no more difficult than a standard plug, just be careful. Top tip...if the gap has altered with normal running and no outside interference then the plug should really be replaced as it’s worn out. Top tip no 2 iridium plugs should last for 60+000 miles in a car engine so expect at least a lifetime (40+000 miles) in a Trials bike engine. For my sins I used to be a NGK Wholesaler.?? 2 Quote Link to comment Share on other sites More sharing options...
71zman Posted February 19, 2018 Author Report Share Posted February 19, 2018 Great - thanks for the input! Quote Link to comment Share on other sites More sharing options...
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