SOURCE: Honda magna wont stay on
the throttle ports are dirty clean air filter and run some cleaner threw the caburator and lube the choke assembly and throttle cable and check for sticky plates, if they are not sticking clean out the intake ports with carburator fluid then adjust needle valves to run smooth and back the choke off as you adjust. once warm and plates are fully open and ideling rev it to see if it reves up, if not check for intake leak in the intake hose or throttle plate or carb screws. use starting fluid to locate intake leaks.
SOURCE: 1997 honda magna, has not run for couple of years,
Sounds as if the carbs are fouled. Best bet is to get rid of the old gas, remove, tear down and clean up. With time old gas will cause plugging in jets and such. If you are able to drain all the old gas from the tank you may be able to get away by using new gas and a fuel treatment for cleaning the carbs. You'd have to get the engine to run for a bit to get the fuel cleaner in to the carbs, if the jest are plugged you'll have to tear them down.
I hope this may have helped,
Tom
SOURCE: 98 honda magna. had fuel stabilizer last october.
Even though you put stabilizer in the fuel, it sounds like the jets in the carburetors gummed up. Additives wont do much good at this point. You need to remove, disassemble and clean the carburetor passages and jets.
Testimonial: "thanks for the advice. "
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