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Post by lostforawhile on Jul 13, 2017 22:14:19 GMT -5
I'm going to open up my airbox on my 139 QMB a little, mainly the inlet side, i'm about to put on my new Keihin, which comes with an 85 jet standard, do I need to go up bigger for this, or will the 85 be enough for now
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Post by islandscrub on Jul 14, 2017 0:34:15 GMT -5
Try with the new carb before messing with the airbox? I've learned quickly to change just ONE thing at a time..
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Post by dan50 on Jul 14, 2017 0:41:01 GMT -5
Try the #85 to start, do a plug chop, and go from there. With unrestricted air box you may need to go #90 or #95 main jet as well as a #33 or #35 pilot jet. More air needs more fuel.
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Post by lostforawhile on Jul 15, 2017 9:32:44 GMT -5
any suggestions on where to get Keihin jets or equivalent to fit keihin?
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Post by 90GTVert on Jul 15, 2017 11:12:20 GMT -5
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tito
Scoot Member
confused, very confused
Posts: 32 
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Post by tito on Jul 15, 2017 17:31:14 GMT -5
I'm going to open up my airbox on my 139 QMB a little, mainly the inlet side, i'm about to put on my new Keihin, which comes with an 85 jet standard, do I need to go up bigger for this, or will the 85 be enough for now WHere did you get the keihin carb, can you link it for me or at least the model number. Im looking for a 20mm quality carb. |
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Post by lostforawhile on Jul 15, 2017 18:56:36 GMT -5
I'm going to open up my airbox on my 139 QMB a little, mainly the inlet side, i'm about to put on my new Keihin, which comes with an 85 jet standard, do I need to go up bigger for this, or will the 85 be enough for now WHere did you get the keihin carb, can you link it for me or at least the model number. Im looking for a 20mm quality carb. mine isn't a 20, its an 18 I believe, I got it from moped factory on ebay, I took a chance on it being a fake, but it looks like the real deal |
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tito
Scoot Member
confused, very confused
Posts: 32
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Post by tito on Jul 15, 2017 21:26:32 GMT -5
I need to find a good quality authentic 20mm carb, preferably a reputable brand
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Post by lostforawhile on Jul 15, 2017 21:44:36 GMT -5
I need to find a good quality authentic 20mm carb, preferably a reputable brand they are out there, you might be able to find the Keihin 20 mm, I'm sure they make one, at a Ruckus forum or a Honda bike forum, or look for an older used one, on ebay, it's not hard to rebuild them with a kit, there is nothing wrong with an older used carb, just take your time cleaning and rebuilding it. If I do the BBK on mine, eventually I will probably do the same |
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