'88 Cagiva wmx250 fork oil

@hillbilly would know.

Crushedankle@yahoo.com

@wpark89

First off...you need Molly Blue fork oil...

I believe he now posts here under the screen name YLLIBLLIH.

It has wp 4054 forks and came stock with 5w fork oil when I looked it up . I’m restoring a 87 right now 

Sorry 10w

Quick answer is 700cc’s from the Cagiva manual.  That 89 KTM WP fork is different with the adjusters.  The 88 Cagivas have the non adjustable 4054s same as older KTM and ATK.  Here is some info from the Cagiva manual to play with oil height for softer/harder.  Also says 10 wt oil.

1987 WMX 125…one of the few bikes I ever won a race on!   As Dirt Rider stated…that bike was sexy!  Seriously a very good bike, but it was tough with parts for up keep.  Pekka Vehkohen (sp), Davy Stribos, Mike Healey, the Doctor Doug Dubock..they were so close to being KTM, before KTM, or Husky before Husky.

There's a fast intermediate that races a Cagiva here in Idaho at the vintage race in April every year..

Probably thinking of me in the Expert Classes?  I’ve came every year since ‘15 with my 125 and 250

I don’t recall.  I haven’t worked on them in years. But there is some helpful info in this thread.  The RSK guy was the WP suspension tech for White Bros in the 80s.

https://www.thumpertalk.com/forums/topic/512875-vintage-4054-forks/

Here is how I did my early WP forks on the ATK. Note that I measured 16 cm, not 16 mm like I said at the 38 second mark:

https://www.youtube.com/watch?v=IpICHFYmg1w