Author Topic: Magneto endfloat  (Read 512 times)

Offline oval57

  • Moving Up
  • **
  • Join Date: Jan 2016
  • Posts: 27
  • Karma: 0
Magneto endfloat
« on: 19.01. 2016 19:58 »
I am wondering how or if there is any way of checking the end float in a magnet once it is fitted? It has been suggested the problem I am chasing could be caused by the end float being to tight. The mag has been rebuilt and fitted but not by me. Also current point gap is 10 thou is that to tight?
Engine stalls when hot after you change down when coming to an intersection.. Have played with fuel just reviewing all possible causes Bike has only done 300 miles since rebuild

Started with a basket case, now got 3 BSAs and a shed full of bits.....mmmm feel another BSA coming on...whoops two more followed me home...

Online chaterlea25

  • Wise & Enlightened
  • *
  • Join Date: Jun 2009
  • Posts: 3584
  • Karma: 50
Re: Magneto endfloat
« Reply #1 on: 19.01. 2016 20:06 »
If the bearings were loose then the check is easy,
grab the points centre bolt and see if it moves in and out
Tight would need the timing cover and the mag pinion removing, then see if you can turn tha magneto armature with your fingers, it should turn freely but will have a "tightness where the magnetic pull is felt

1961 Super Rocket
1963 RGS (ongoing)

Offline duTch

  • Ricketty Rocketty Golden Flashback
  • Wise & Enlightened
  • *
  • Join Date: Oct 2011
  • Posts: 4538
  • Karma: 41
Re: Magneto endfloat
« Reply #2 on: 19.01. 2016 22:32 »

. Also current point gap is 10 thou is that to tight?

 Recommended gap is twelve thou.(0.012")
Started building in about 1977/8 a on average '52 A10 -built from bits 'n pieces never resto intended -maybe 'personalised'
Have a '74 850T Moto Guzzi since '92-best thing I ever bought doesn't need a kickstart 'cos it bump starts sooooooooo(mostly) easy

Online RichardL

  • Outside Chicago, IL
  • Wise & Enlightened
  • *
  • Join Date: Nov 2007
  • Posts: 5583
  • Karma: 52
Re: Magneto endfloat
« Reply #3 on: 19.01. 2016 22:38 »
So, running too far advanced.
Plan on signing up for the world-wide 2020 DISTINGUISHED GENTLEMAN'S RIDEon September 27, 2020. This year it's a solo or pillion ride in dapper attire. Watch website at for details.