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    Carburetors acting up -- starts but wont rev or run

    I left the 1975 XS650 in the garage for a couple years and the carbs got gummed up with curdled gas. I removed and cleaned the carbs, now it will start, barely, but it won't run. acts like there is an air leak somewhere, but I cannot find it, any troubleshooting suggestions for balky carbs...
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    is there a gasoline proof silicone goop out there ?

    I there a gasket sealer out there that will form a good seal in a joint that has a bit of a gap, and form its own gasket, like a silcone sealer, but is gasoline and hot oil proof ?
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    what is best replacement Carb ?

    I have a 1975 xs650 with the original 38mm mikuni carbs, K&N filters, worked fine for 46 years, until the pandemic, bike sat for over a year, carbs full of gas, gas corroded and gummed up carbs, now it won't run, wont even start. I have thoroughly cleaned the carbs, and appear to be normal...
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    flat track racers: left or right shift

    I bought a 650 flat track bike recently and noticed the shifter is still on the left side. i dont race actually but as I recall flat track racing is on an oval track turning left, so if the shifter was on the right side would that not be better ? I was reading about old sportsters raced in...
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    xs650 oil and dragging clutch

    my 650 was shifting hard so installed a new shift shaft and changed the oil. took out the old brown oil (sae unknown) and put in regular automotive SAE10-40 oil, now the clutch drags even more and the bike shifts harder still what is the best oil to use to reduce clutch drag and shifting...
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