sadlotus Posted December 11, 2014 Report Share Posted December 11, 2014 Hi all, On my Sherpa 325 I put InMotion electronic ignition - bolt on - could not have been easier. Easy starter no problems. On my Frontera 152 I couldn't afford the electronic ignition so stayed with the points system. Took a while to set up, the bike had been sitting for years and the stator and accociated bits were dusty, rusty and neglected. I cleaned everything, new points, condenser, replaced the lighting coil, all seemed to go together easily. Set the points gap and bought myself a dial guage to set the timing. An evening in the garage had things assembled and timed fine. Ripping across the fields and around the yard the bike went very well, easy to start, hot or cold. on it's third outing it developed a backfire - from/through the exhaust I think - not the carb. I thought it might be muck in the carb and cleaned the tank and carb and checked the flow from the taps. All clean and lovely. Next time out backfire was still there.Still easy to start hot or cold. It was a mid range backfire on acceleration, wide open throttle seemed to be fine. Next time out, won't start. Plug is getting wet and there's a good spark. Air filter is a new oiled Inmotion one. Anyway, decided to check points and timing again. Points gap was a bit wide - reset that. I had marked the timing on the back plate and that hadn't slipped as I thought it might have done. NOW - the question is: no matter which combination of leads from the stator I connect to my timing test light (as well written up elsewhere on here - and in the workshop manual) I can't make it go on/off with the opening of the points - only if I take the stator off the crankcase can I get a make/break circuit. Where am I going wrong? Surely one side of the points should be isolated from earth... I think.Or not. I'm not sure now. I've not dismantled the points from when it was running great. Am I missing a tiny fibre washer that I remember from Mini and Cortina days? Everything else works fine - stoplight, headlight, tailight, horn (haha) - it has a two week old MoT. Where am I going wrong? Quote Link to comment Share on other sites More sharing options...
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