running too rich
#1
running too rich
My 93 900rr started running too rich. When i rev it up, black smoke comes out the exhaust. I have the cali model so i don't think that you can adjust the air fuel ratio so i just ripped out the air cleaner and now it runs a hell of alot better, still rich but better. I need to fix this problem to get the power back into my motor. any suggestions?? When i pin it, the motor boggs then kicks in..
#4
Re: running too rich
what i'm going to tell you is illegal but only if the epa is in your neighborhood. If you look at the air fuel mixture screw it has a aluminum cap if you take a small drill bit about the size 7/32 or so you can drill through the cap safely then take a small screwdriver and pop out the cap. once you get the cap off the a/f mixture screw will be exposed. turn the screw i n a half turn at a time and run your bike . Remember turning in the screw will lean out your engine and will make your bike run hotter... I also recommend using a hotter plug and slow drip fuel injector/carb cleaner... pm me for any more info
Last edited by phxRRkid; 08-04-2006 at 03:49 AM.
#5
Re: running too rich
Originally Posted by AZ_GSXR_750
what i'm going to tell you is illegal but only if the epa is in your neighborhood. If you look at the air fuel mixture screw it has a aluminum cap if you take a small drill bit about the size 7/32 or so you can drill through the cap safely then take a small screwdriver and pop out the cap. once you get the cap off the a/f mixture screw will be exposed. turn the screw i n a half turn at a time and run your bike . Remember turning in the screw will lean out your engine and will make your bike run hotter... I also recommend using a hotter plug and slow drip fuel injector/carb cleaner... pm me for any more info
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