tbm flywheel magnets replacement

Location
israel
i have a tom flywheel that have weak magnets so when i use it i have no spark.
so i opened it and remove the old ones.
now i need new magnets.
what kind of magnet i need?
where can i find those magnets?
 
Do magnets really get weak? I would be more inclined to think the Stator is weak, not the magnets. If you try to install new magnets they need to be exactly to same dimensions and mounting location relative to the keyway or you will change/alter ignition timing
 
Location
israel
the stator is ok. the flywheel is the problem for sure. and the location of the magnets is something you can't go wrong.
the only thing you should care about is the south\north .
but what i need is the magnets. i will try to contact msd
 
Location
israel
i found its:
20x20x5 (mm) size
12 pcs

the problem is that i don't know what kind of magnet to use
there is too much strong magnet?
what is the minimum i can use?
its classify by grades (n40, ,n45,etc...) and max temp operation.
 
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