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14 Posts
Hi all, im new here and new to motorcycles so bear with me if im not being super intelligent about this lol, but uh, here goes
SO i bought a 1982 gn125 off someone who inherited it from his dad's storage facility left in a wil, blah blah, it was left in working condition but wasnt touched for about 19 years so i had to do some cleaning to it. from what ive read already, i cleaned out the carb all around where i could after taking off the bowl, couldnt find a way to get the whole carb off) added fresh oil and an oil filter since neither were there at the time of purchase, new gas, and thats all i did. So initially after doing all this i got it running, a little jerky because the bowl gasket was cracked in two spots, so i also replaced that. Was running rich as heck but ran totally fine from what i could tell except a gas leak out of the carb exhaust and air filter....
Jump to present; i cleaned the gumming off the pin the floats move, and the floats actually move now so theres no more gas flooding out. but now when i start up the bike, it runs for about, say, 10 seconds if i dont give it any throttle, maybe 4 if i do, then it dies and wont turn on unless (dont judge me i dont know where i got the idea from) I physically blow a little air into the carb via carb exhaust, then it repeats same as above. Im damn sure its an airflow issue but i cant figure out what to do about it...
(also i guess its worth noting im not sure what size Mikuni Carb i have, its between a 22mm and a 24mm but even the gasket i got to replace the old one fit, all the shapes, but looked way thinner than the original.)
SO i bought a 1982 gn125 off someone who inherited it from his dad's storage facility left in a wil, blah blah, it was left in working condition but wasnt touched for about 19 years so i had to do some cleaning to it. from what ive read already, i cleaned out the carb all around where i could after taking off the bowl, couldnt find a way to get the whole carb off) added fresh oil and an oil filter since neither were there at the time of purchase, new gas, and thats all i did. So initially after doing all this i got it running, a little jerky because the bowl gasket was cracked in two spots, so i also replaced that. Was running rich as heck but ran totally fine from what i could tell except a gas leak out of the carb exhaust and air filter....
Jump to present; i cleaned the gumming off the pin the floats move, and the floats actually move now so theres no more gas flooding out. but now when i start up the bike, it runs for about, say, 10 seconds if i dont give it any throttle, maybe 4 if i do, then it dies and wont turn on unless (dont judge me i dont know where i got the idea from) I physically blow a little air into the carb via carb exhaust, then it repeats same as above. Im damn sure its an airflow issue but i cant figure out what to do about it...
(also i guess its worth noting im not sure what size Mikuni Carb i have, its between a 22mm and a 24mm but even the gasket i got to replace the old one fit, all the shapes, but looked way thinner than the original.)