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os 91 fs surpass pumped

Old 05-16-2007, 06:01 PM
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Default os 91 fs surpass pumped

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Posts: 6
Joined: 5/16/2004
From: oneida, NY, USA
Status: online Hi bill can you give me a ballpark figure on a new needle and seat also ware i can get them. now on the regulator once i change the needle and seat i'll have to reajust it right ? is there a setting for that or do you play it by ear i don't have a manual for this as i bought it used new the reason i am asking is i have tryed adjusting the regulator so its got to be out of adjustment i would think. Any help you can give me would be most helpfull as this is first pumped four stroker i have had. thanks john
Old 05-17-2007, 09:56 AM
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Default RE: os 91 fs surpass pumped

The regulator on the O.S. FS-91 Surpass II w/pump is not adjustable, and comes with the carburetor body, which is where the needle seat is located. You'll need:

OSMG3524 45983100 CARBURETOR BODY #60N $61.99
OSMG7062 27681970 NEEDLE #86/#8H $8.99

These parts can be ordered through any hobby retailer who sells O.S. Max engines and accessories.

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