MSD flywheel question?

jetx

jetx

Location
Midland, Ontario, Canada
Just got this with a parts lot I picked up and the guy said it would work with a total loss ignition and OEM charging system...never heard of a flywheel that could be used with both. Was wondering if anyone could shed some light on this flywheel for me and either prove of discredit what he was saying. It is consdierably heavier than a jetinetics TL flywheel so that has me thinking...

Some of the markings on it are...

M5 printed on the hub just under the MSD
30 and a 3/95 stamped on the underside lip.
There are also 3 timing marks on it..one TDC and 2 advance

Will probably also be looking to sell it so anyone know how much it is worth?
 

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keefer

keefer

T1
Location
Tennessee
How much does it weigh, and have you compared its weight with a stock yamaha flywheel? It looks like it has charging magnets but I do not see a trigger magnet like the TL flywheels.
 
jetx

jetx

Location
Midland, Ontario, Canada
Haven't been able to compare it to a stocker yet and not sure exactly how much it weighs...the guy mentioned soemthing about earth magnets?? Are those just the charging magnets or something else?
 
keefer

keefer

T1
Location
Tennessee
He probably meant "rare earth" magnets. They are made from neodymium and other rare earth elements. They are very strong so you can use a less material which makes the assembly lighter than if you are using conventional magnets.
 
augustaf

augustaf

Location
central florida
It's an aftermarket, charging, light flywheel to be used with the 61x
stator. MSD sold a bunch of those back in the day when people raced
stand-ups. It compares in weight to the now also discontinued RAD f/w. They do work, I'm using one.
 
S

sflsurfrider

i see two tiny magnets (count the holes in pic two... theyre easier to see there).

BK sent me an identical flywheel a while back.

it has the magnets on the outer part of the inside (you can verify this with a nail. see if the magnets draw it in)

the two tiny round magnets are for TL.
 
sfab

sfab

X
Location
Canada, QC
jetx said:
So after a second look it appears this thing has a crack down the hub where the keyway is...so is this thing still useable, junk, or repairable??
Click to expand...

how big is the crack? theres is always the possibility of relocating the keyway if stress cracks are showing up
 
#ZERO

#ZERO

Beach Bum
Location
Florida - U.S.A.
You could probably have the center section turned out on a lathe and mount a steel OEM style hub on the front.

I'm sure it would be easy to find someone with a damaged stock flywheel that the hub portion would still be usable.
 
brentR

brentR

way fast whitey
Location
Toronto
weld it ? i got a full machine shop here robbie
hey what other parts did you get, shoot me a PM with what you got!!
 
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