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You are watching: Briggs and stratton armature air gap

I"ve got a B & S 10A902-2072 lawn mower, newly pulled the magneto turn off ... Yes, i know, not a good idea - i didn"t think the space would be too crucial.But the won"t begin now, it began OK prior to dismantling.Anyone understand what the space from the magneto armature come the rotor must be on these machines?I"ve looked at the parts list and also owners manual from, nothing to aid there.tia, Peter
put the coil on, obtain the bolts simply tight enough so you have the right to still on slide it closer come the flywheel (turning the flywheel so the magnets are away provides things easier) take it a dissension bill, slip it in between the coil and the flywheel, until it slides out v a little force, however doesn"t tear, then spin the flywheel through hand, come make sure it doesn"t rub until you get it right. Climate tighten the one bolt that doesn"t hold the windvane top top tight, the various other one simply tight enough to not make the vane stick.
The gap should be .006 to .010" at the magnets.I collection the magneto back and snug it up. Then rotate the flywheel therefore the magnets room directly listed below the coil, and also put a .010 feeler gage in between the magneto legs and also the magnets. Loosen up the magneto bolts to allow the magnets to traction it down onto the flywheel through the feeler gage between them. Tighten increase the magneto bolts, then pull the feeler gage out by rotating the flywheel.
thanks men (and Tranny ~ above, it operated a charm. It"s amazing exactly how much grief you have the right to put these small engines through and they still save chugging along. I simply mowed the prior lawn - around a metre high, mostly weeds - partly due to the fact that the maker was set up, partly due to the fact that I was placing it off - and it walk a charm.Cut out midway and also I had to let the cool down, my theory is the the wait filter bolt is loose, whereby it threads right into the carbohydrate is stripped, so too much air is gaining in, also lean a mix, running to hot, having to take breaks occasionally.The following job is to find a contempt oversized bolt for that air filter.Thanks again for her advice, Peter
so the bolt going into the carb is stripped, that holds the air filter on? wouldn"t operation it long without addressing that first. Dirt getting in isn"t good. She"ll still last you a quite little bit more....... Briggs have the right to take punishment, and also keep going..... Usage nothing yet briggs

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