• Hi everyone,

    As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.

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    Thanks for your patience and support!

Moto Plat flywheel puller needed

guscycle

guscycle

Husqvarna
AA Class
I have a customer who has a 87 Can Am 250 Qualifier that has a moto plat flywheel(inside out model) that I can not get off.I "had" a puller but the friggin' thing is on so tight it pulled the threads on my puller!!I have had some stubborn ones before but this one ain't budging!Does anyone know where I can get one(new)The folks who sell the PVL and Moto Plat here in US (Pentonracingproducts) doesn't even have one.Tried Stubblefield and Motion Pro n/g.Any ideas would be greatly appreciated.

Guscycleflywheel.JPG
 
..oh yeah,I believe it has 28mm threads.Also tried the heating flywheel/freezing the crank end..N/G either...
 
guscycle said:
..oh yeah,I believe it has 28mm threads.Also tried the heating flywheel/freezing the crank end..N/G either...
Click to expand...
Have you tried beating on it? I'm not kidding. The heating is just one part of the removal process. It needs some heavy vibration with heat glowing heat in order to rattle the tight fit loose. A real oxy/acet torch is way better than a little coleman torch. The oxy set-ups can get the whole hub glowing. Ive had stuff heated up, while the puller is on it and super tight, and I'm gently whacking the hub to break it all free. Whacking on the hub of the flywheel in strategic spots and such helps some times. Just want to make sure it's not excessive enough to damage the crank. If you're creative you can also use a harmonic dampner pulley to get some of them off, which adds leverage in some cases. Best of luck though.
 
..I've "pried" on the end of the flywheel while operating an air chisel with a punch top anvil as well as rigging a jaw type puller to fit into the center area of the flywheel...normally I wouldn't attempt putting a puller there but the flywheel casing there is very thick..I only used the Coleman type torch first then used a mapp gas secondly...I drilled a centering hole in the tightening bolt so I could apply the air chisel gun on it again...wouldn't budge and the jaws popped out after 2-3 minutes of hammering!!!...I currently don't have access to oxy set up but this still should've popped by now.....
 
I do see the flywheel casing there is very thick. I would also consider using a jaw type puller there. I would still try an oxy set-up. the coleman torch just doesn't give it enough to to expand the unit. It needs to be red hot in order to make any real expansion. i've seen my uncle pulling similar units off of old cz's and maicos and they can be an absolute bitch even with the correct puller. only way to get some of them off was the oxy set-up.
 
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