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Maybe it was 1/8″ , it was a perfect fit. Just glad it’s pumping water right now. NOW……. next question it starts fine but will not idle. It’s smoking like crazy, burn your eyes type smoke. Mixed fuel at 24:1. I’m wondering about the throttle cam adjustment. When the cam follower is lined up with the mark on the brass cam the throttle is NOT opening yet. It’s probably 1/2″ past the mark before the throttle moves. If anyone has the service manual adjustment procedure, or knows if it’s on the site somewhere I’d appreciate it. I’ve adjusted the hi/low idle to recommended initial settings. FYI I can manually open throttle and it seems like it smooths out a lot. I know I’m rambling but any help is appreciated
Loosen the bolts on the underside of the cam and adjust until throttle butterfly just starts to open when the follower hits the mark on the cam.