Flywheel jig

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budoka
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SELF INTRODUCTION: I'm a Kentucky boy who's found himself transplanted into Japan. been into turning wrenches as long as i can remember. i love muscle cars, hotrod bikes, and the martial arts.

been a member of this board since back when it was a part of Chopperweb. been handling the tech side and sharing the admin duties for several years now.
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Flywheel jig

Post by budoka » Tue Mar 01, 2016 10:36 am

another tool you need for disassembly/assembly of the crank is a jig to hold hold the wheels while you loosen or torque the nuts on the crank pin/ pinion shaft/sprocket shaft. Rowe makes a beautiful cast jig, but if you're like me and have limited funds, you have to do it on the cheap. here's how i'm making mine.

started with a piece of c-channel steel that is 125mm x 65mm x 6mm thick x 200mm long, and using the handy dandy handheld grinder (yeah, i'm at it again with the grinder :banana-dance: ), you hog out a section big enough for the sprocket shaft/pinion shaft to stick down through without hitting anything.

to be continued…

-dan
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Dusty-Dave
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Been building and riding since the 60s. My last contest build made The Horse BC last year "Home Built Indian" and had a 40 Indian in the TCU section of the Horse BC the year before.
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Re: Flywheel jig

Post by Dusty-Dave » Wed Mar 02, 2016 3:59 pm

I just run a strap(old seat-belt etc) around the flywheel and clamp the strap in the vice,
Dusty
Driving that train, high on cocaine,
Casey jones is ready, watch your speed.
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And you know that notion just crossed my mind.

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budoka
Site Admin
Posts: 334
Joined: Thu Jul 21, 2011 12:51 pm
SELF INTRODUCTION: I'm a Kentucky boy who's found himself transplanted into Japan. been into turning wrenches as long as i can remember. i love muscle cars, hotrod bikes, and the martial arts.

been a member of this board since back when it was a part of Chopperweb. been handling the tech side and sharing the admin duties for several years now.
Location: Yamanashi Shi, Japan
Contact:

Re: Flywheel jig

Post by budoka » Sun Apr 24, 2016 7:44 am

oh sure, NOW you tell me, LOL. :angry-banghead:

anyway, it's fun to make tools. here's the finished product (please excuse the crappy welds, after wrist surgery i had to do it left handed).

take care,
-dan
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-experience is a wonderful thing. It enables you to recognize a mistake when you make it again.
http://knuckleheadsummer.blogspot.com/

Indian Mark
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Re: Flywheel jig

Post by Indian Mark » Mon Apr 25, 2016 9:09 pm

Left handed, yeah I'm gonna use that one when I get a welder.

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