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Post by sailracer on Aug 24, 2013 17:37:02 GMT -5
If you look in my signature, you will see the current setup. When I first put on the BBK, I used the stock carb with a 79 jet.When removing the plug, I noticed it was real hard backing out. Sure enough, when I go to put it back in, the threads were stripped .Ok, I had another, swapped it out. (will helicoil that one) anyway thats when I changed carbs and put an jet in. The air fuel screw is pretty far out.indicating I could probably upjet. Runs strong though. So I go to remove the plug to check color, and Uh OH starts to get hard. so I soaked it with wd40, and worked it until it came out. Color looks ok! ???I see a few other similar builds with a jet. Do you think I should go to a ? will performance suffer? I'm really happy with how it runs now, but I know a little on the rich side is better than the other way around.It has to be a heat issue. what do you guys think?
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Post by sailracer on Aug 25, 2013 12:09:28 GMT -5
anyone?
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Sophomore Rider
Currently Offline
Posts: 211
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Joined: Aug 7, 2013 1:36:49 GMT -5
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Post by f4milytime on Aug 27, 2013 1:01:39 GMT -5
If you look in my signature, you will see the current setup. When I first put on the BBK, I used the stock carb with a 79 jet.When removing the plug, I noticed it was real hard backing out. Sure enough, when I go to put it back in, the threads were stripped .Ok, I had another, swapped it out. (will helicoil that one) anyway thats when I changed carbs and put an jet in. The air fuel screw is pretty far out.indicating I could probably upjet. Runs strong though. So I go to remove the plug to check color, and Uh OH starts to get hard. so I soaked it with wd40, and worked it until it came out. Color looks ok! ???I see a few other similar builds with a jet. Do you think I should go to a ? will performance suffer? I'm really happy with how it runs now, but I know a little on the rich side is better than the other way around.It has to be a heat issue. what do you guys think? My setup is pretty much the same as yours, I'm running a , two turns out on my carb. If that's any help to you. I don't want to go to rich, cause you start to wear stuff out,(cylinder,rings etc...) Aloha
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Post by sailracer on Aug 27, 2013 4:46:37 GMT -5
Thanks for theresponse,I ruined the first BBK piston by running too lean. I think I'm gonna upjet a little,If nothing else, it will at least give me some more adjustment range on the A/F mix screw,as it is now just about all the way out
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Post by millsc on Aug 27, 2013 11:11:50 GMT -5
I ran a jet on my wifes pink scoot with same setup as you have, my friend is running an airsal also with hipro exhaust and all and hes running an with needle all the way up
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