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Wisconsin Engines Single cylinder up to V4 engines.

Wisconsin Engines

Wisconsin BKN valve adjustment


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  #1  
Old 03-19-2019, 02:13:20 PM
Bloppy Bloppy is offline
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Default Wisconsin BKN valve adjustment

I am feeling a little dumb right about now. Last month I adjusted valves on my 1966 AENLD with no problem. So I figured I would do the same on my 1973 BKN but I did not see any jamb nuts when I removed the 1 bolt plate. What am I missing here?
Jim
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Old 03-19-2019, 02:20:55 PM
Heins Heins is offline
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Default Re: Wisconsin BKN valve adjustment

If there aren't any jamb nuts, the threads are self locking and don't need them. Do they turn hard?
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Old 03-19-2019, 02:23:49 PM
Bloppy Bloppy is offline
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Default Re: Wisconsin BKN valve adjustment

I see nothing I can put a wrench on.
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Old 03-19-2019, 04:28:56 PM
gdstew gdstew is offline
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Default Re: Wisconsin BKN valve adjustment

The tappets are not adjustable. To adjust the valves, you need to remove them and carefully grind off the bottom of the stem. If you go too far, cut the seat a little lower. Which if you are going to do all that, you might as well reface the valve and cut the seat.
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Old 03-19-2019, 07:32:37 PM
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Default Re: Wisconsin BKN valve adjustment

That would make sense after looking behind the valve spring plate. I was just looking to do a good tune up. I guess at this time,I will forget the valve adjustment. Thanks for the information.
Jim
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Old 03-19-2019, 11:13:31 PM
Heins Heins is offline
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Default Re: Wisconsin BKN valve adjustment

Have you got any clearance in the valves now? If they are too tight, it won't run right.
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Old 03-20-2019, 01:32:47 PM
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Default Re: Wisconsin BKN valve adjustment

They are not too tight. I felt they had a little too much clearance. Not the magnetic feel I feel they should have with the feeler gauge.
Jim
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