I would like to have the Douglas EW600 crankshaft

[yoshimasa negishi]

I am looking for a Douglas ew600 crankshaft for my Douglas ew600.

My ew600 crankshaft has a loose press fit on the timing side crank web and is rattling around.
The tapered surface of the flywheel is also damaged.
I can't find a Japanese company that can repair Douglas crankshafts.

[alan reid]

Hi Yoshimasa,  I have had a T6 crankshaft rebuilt by Alpha Bearings -
info@alpha-bearings.com.

My T6 is a 1930 Douglas. It looks like the same as yours.

Regards Alan Reid

[yoshimasa negishi]

Hello, Alan.

Thanks for letting me know who can repair my Douglas crankshaft!

I found a repairer in Japan for the ew600 crankshaft.

I was also looking for a repairer for the Douglas d31 crankshaft.
I am contacting Alpha Bearings.

Thank you kindly.

Yoshimasa Negishi

[Eric S]

Yoshimasa
I had good luck having the journals on the crankshaft laser welded (cold weld, not heating the metal) and then machined.
The difficult is to find a repairer.
Mine has the parts for years ....

[yoshimasa negishi]

Hi Eric.

Thanks for your kind advice.

The Japanese repair shop I hired to repair my crankshaft was highly skilled.
He can correct the correct dimensions and axial centre using thermal spraying and grinding to make a perfect circle of the crank journal and crank centre.

If necessary, a new crank web can also be made.
We look forward to the finished product.

Thank you.