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  View original topic: Found a weird dual spring early cylinderhead
ngobet Tue Oct 29, 2019 5:18 am

Hi everyone,

I have a strange head, because it is really early with cog wheel. It has dual spring, that is really weird.
Does anyone know about this?



thanks

virtanen Tue Oct 29, 2019 5:48 am

Measure the diameter of the cylinder openings. It tells if it's a pre or post 43 KdF head.

sled Tue Oct 29, 2019 7:28 am

my 1951 engine had dual springs.

virtanen Tue Oct 29, 2019 9:38 am

Dual springs were in use up to 29th of May in 1952.

ngobet Thu Oct 31, 2019 2:43 am

Ok thank you all, I didn't know that early 25hp had dual springs.

Will check the cylinder opening

[email protected] Mon Nov 18, 2019 4:01 pm

I wish someone repo dual springs for 25hp/36/okrasa heads...

swanlakers Wed Nov 27, 2019 12:46 pm

Would those springs be different from 25hp springs?

ngobet Tue Dec 03, 2019 2:58 am

virtanen wrote: Measure the diameter of the cylinder openings. It tells if it's a pre or post 43 KdF head.

I checked and they are 82mm, can you tell the period from this?

virtanen Wed Dec 04, 2019 11:24 am

It's for 1131 ccm, 1943-49, the most probably made in the war time.

ngobet Tue Dec 17, 2019 6:00 am

thank you for sharing :D



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