removing crank nut on 247 Cota

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JC1
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removing crank nut on 247 Cota

Postby JC1 » Fri Sep 02, 2011 5:12 pm

Any tips/tricks for loosening the nut on the drive side (LHS) end of the crank of a 247 Cota?

(Looks like ordinary RH thread to me)


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David Lahey
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Re: removing crank nut on 247 Cota

Postby David Lahey » Fri Sep 02, 2011 8:43 pm

The nut is the easy bit. Wait till you try and get the gear off its taper. I have made a special puller made for the 348 that will probably fit the 247 if you want to borrow it


relax, nothing is under control

JC1
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Re: removing crank nut on 247 Cota

Postby JC1 » Sun Sep 04, 2011 9:15 am

Yes, I've already been forewarned about the gear, but I don't want to go that far (yet) - just want to get the flywheel off.

Whats the best way of holding the crank from turning?


"Men are never more likely to settle a matter rightly than when they can discuss it freely"

David Lahey
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Joined: Thu Jun 05, 2003 7:01 pm
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Re: removing crank nut on 247 Cota

Postby David Lahey » Sun Sep 04, 2011 6:37 pm

A few choices
Use a rattle gun so you don't have to hold the flywheel
Put it in top gear and hold the rear brake on
Jam a folded rag in the primary gears pinch point
Use a two-pin tool in the holes in the magneto flywheel
Use a strap spanner on the flywheel OD


relax, nothing is under control


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