Compression Release Valve?

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frankfast
Posts: 231
Joined: Wed May 05, 2010 12:35 pm
Location: New York (upstate)

Re: Compression Release Valve?

Postby frankfast » Fri Mar 04, 2022 2:11 pm

Thanks Bill. I too have a bike originally fitted with shim type rockers that now have screw type. The compression release seems to work fine but it's hard to tell what the actual contact of the pin to the rocker arm looks like. That's why I asked if there were any Ducati models built with this arrangement.

Jordan
Posts: 1482
Joined: Fri Dec 24, 2010 11:29 am

Re: Compression Release Valve?

Postby Jordan » Fri Mar 04, 2022 10:34 pm

I have a note that the valve lifter plunger is 38mm long.
Factory literature that I have shows only shim type rockers with valve lifters.
Because of different shapes of shimmed vs threaded type rockers, it looks like the plunger might need to be shortened with the latter.
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frankfast
Posts: 231
Joined: Wed May 05, 2010 12:35 pm
Location: New York (upstate)

Re: Compression Release Valve?

Postby frankfast » Sat Mar 05, 2022 2:07 am

Jordan

You are correct. I now remember I had to shorten the pin for it to work on the screw type rocker arm.


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