Questions & Answers for: 250 big bear carb

big car battery. Spray Aerostart straight into carbs, will sometimes attempt to start but then it gives up. Will sometimes spit back through the carbs.Not sure if fuel pump is working but would expect

...big problem was the carb. and my uncle who is a mechanic messed around with the valves and fixed it. now the clutch was doing all these problems so im thinking that the clutch is probably burned out. ...

...big bear 400 will not stay running in idle jumps alot when trying to ride Time for a carb cleaning. Take off the carb, take it to someone with a sonic cleaner. Change your spark plug, clean out your ...

...250 big bear and seems not to accellerate when I hit the throtle. took the carb apart and cleaned it, still the same. Can't fint repair kit just have to buy it piece by piece. am thinking has to ...

...250 big bear has a tear in it whare the carb is connected to the engine that ruber peace that the jets shoot the gas from the carb into the engine what is that peace calld? plz help IT WOULD BE THE ...

...250 six cylinder engine. Third member of the Chevrolet inline 6 family was introduced in 1962 to 1988.The new engine was lighter and had a different bell housing bolt pattern. Both auto & manual bell ...

...250. Replaced carb, checked valves and comp. All is good. While riding in 5th it looses power. Any suggestions. a search for "high gear looses power" reveals............wait for ...

limited info generic answer usually if carb floats dont shut or valve leaks fuel will leak into piston cylinder down into oil https://www.autopartsrepairs.com/yamaha-big-bear-repair-manual-250-350-400