650 carb quagmire

Yamaha XS 650 discussion forum:


650 carb quagmire

650 carb quagmire 
CJC said 2009-06-15 20:11 
 
Hello... I´ve bought a used 1981 Special. The bike ran before
I got it.... I cleaned the carbs and it fired right up. That was
for the previous owner. I aquired the bike and have tried to re
build the carbs but they have ended up either leaking when the float
is set at 25 mm........ BUT the bike would run. Set back to 21 mm
and the bike is hell to start.... and gives you a fit to keep running. Bogging....... occassionally backfiring out the intake.
I think the mixture is too lean at the 22 mm float level. HELP ?
Anyone having some constructive advice would be welcome. Thanks.
Keep on two wheeling....... CJC 
 
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