Re-jetting 18mm carb on upgraded WC-1

Scootmeister

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Joined
Mar 15, 2011
Messages
153
Location
Inner Banks, North Carolina
Has anyone re-jetted an 18mm carb on a WC-1 after upgrading the jug and removing restrictors? After dialing in the fuel/air mixture the engine starts immediately and runs great getting up to 35 or 36 mph at 3/4 throttle before falling on its face for the remaining 1/4. Debbie at Whizzer USA tells me the 18mm came standard with a #80 main jet but I don't know if I should go down to a 78 or up to an 82. I know the drill for riding a mile with the throttle full open and checking the plug, but I'm sure someone has already dialed in an 18mm and could share their experience. Also, how difficult is it to change the fork seals on one of these? Mine started leaking at 200 miles!:cry:
 
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