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07-25-2013, 08:35 AM | #1 |
Join Date: Jul 2013
Posts: 87
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Gy6 50cc backfiring and bogging
Hello,
i started with scooter i bought for cheap because it was working realy bad and it died in one week. I putted in: ONE YEAR OLD: -clutch -carburetor -cdi -coil -spark plug cap -spark cable AND NEW: -piston and cilynder -stator and magneto -oil I also ajdusted the valves 100% perfectly, and i had to put the carb needle washer to the toppest position, after changing the piston and cilynder, otherwise it was bogging and backfiring like crazy at more than 1/4 throttle (thats realy strange because with old piston and cilynder it was working fine with washer on lowest position)! Here is the problem: i cleaned the carb and it ran great for 3 days, than it started backfiring and losing power at acceleration, than i cleaned the carb again and it was good again for 3 days; 1 month it was like that. I noticed that turning A/F screw does not giving any effect at all, i also removed auto choke needle, because it wasnt working at all. Yesterday i took a little bit of silincer out and it was running alot beter, but than it started backfiring again; I cleaned the carb and nothing, than i changed the spark plug, it was a little better, but not much. Than i removed the plugin from line that goes from the airbox to carb and it was good again, but after 5 miles it started backfiring again. I cleaned the carb and air filter and it wasnt any better. Thank you for anwsers, my english is not perfect, so i hope you understood it cheers! |
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