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Garden Tractors Discussion Forum

Re: coil for briggs?

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joe csuti

09-16-2012 13:52:01

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I checked on ebay for coil you bought,could not find a listing for same,IF this coil is same/similar to the oem briggs magnetron conversion kit for a points type ign system,the problem may not be the coil,the briggs/aftermarket conversions will not work on many mod briggs eng due to a reverse polarity on flywheel magnets or magnet timing,this problem has been brought up several times before in the past on this forum,IF you have kill lead connected to coil,disconnect kill lead at coil & check for spark,if you have spark now,then problem in ign sw,safety sw's or wiring harness,still no spark with kill lead disconnected then problem on eng either due to weak/damaged flywheel magnets,reversed magnet polarity,incorrect flywheel/coil air gap,make sure coil has good clean ground connection to block.

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09-18-2012 12:36:57

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 Re: coil for briggs? in reply to joe csuti, 09-16-2012 13:52:01  
the engine had a Briggs pointless mag on it that stopped producing spark. The different looking replacement none Briggs was claimed to replace the OEM

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joe csuti

09-18-2012 13:17:57

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 Re: coil for briggs? in reply to mmidlam, 09-18-2012 12:36:57  
OK-looked at coil at ebay & briggs service manual for eng models listed in ad,briggs service manual shows 2 different style coils used,one has an exposed trigger,other has trigger enclosed in coil assembly,although coil you have looks nothing like oem coil I would suspect trigger enclosed in new coil,if no installation instructions included with coil,set air gap for .012",if still no spark try removing coil & rotate same 180 deg & reinstall on eng(if possible),set air gap for .012" & check for spark,trigger in coil may be faceing wrong way in position it is now in and is probably sensitive to magnet polarity.

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