Philip, I don't have any experience with GS1100 Suzuki carbs, really. Have you compared your needles and main jets to whatever the stock parts are? Looks like #40 and #115 for pilot/main jets. Make
Nancy, I would just tighten them down as hard as I can, normally, by hand. You didn't mention what flavor Nighthawk you have, as they made several models using the Nighthawk label.... 450, 650, 750.
Ron, The tensioner may be fully extended and not keeping the chain tight. The chain may need to be replaced. To replace it is extensive. Remove fuel tank,remove valve cover,remove chain tensioner. Its
Jeff,Im not in my shop now but try this. Pull #1 spark plug and pull the cover off the flywheel. Im thinking this unit does not have a timing cover hole. Put a socket on the crank bolt turn it counter
Chris, if the master cylinder hasn't been rebuilt/replaced in the last 28 years, it is probably time to go through the whole hydraulic system and replace all the soft parts/seals/o-rings. The clutch

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