Home › Forum › Ask A Member › 1965 Big Twin LACK POWER HARD TO START › Re: 1965 Big Twin LACK POWER HARD TO START
Bet the speggti is leaking. First thing is take apart the gears & dry & oil all the parts. When replacing the shift O-ring be sure to have the shift shaft in place. Tap the bushing down into the case until it gets snug or close to tight to be sure it isn’t leaking. Cut the new speggti square on the ends to seal that. I use silicone on the sealing surfaces, then let it dry a few days too.
I bet your carb needs cleaning & tuning up. These carbs are tiny & have tiny passages that clog easy. Needs to be soaked in carb cleaner then built again. Don’t change any settings except the removable jets. Turn in very slowly & easy, measure turns to seated & record. reseat when clean