Alright here is my setup- zonger 110(108) ahp high comp piston-upsweep ct70 pipe-22mm mikuni carb. This is mounted in my skyteam st90 and is used on the street and for stunting. The carb came with a 100 main jet and works great. Idles good-pulls okay. I decided to fatten the main to see if i could gain some and ended up with a 107.5.That was a real improvement. The next size i had laying around was a 120. Put that in and it ran even better..!!. What is some sizes you guys run in your 22mm carbs? keep in mind i live in the midwest(Iowa) I think i will bop to the honda shop and get a 130-140. Thanks a bunch
arjacobson
damn, i don't have any suggestions on the jet, but where in iowa do you live?
i'm in omaha and always lookin for people to stunt with
i'm in omaha and always lookin for people to stunt with
hmm i was runnin a 105 in my 107 jailing(xtreme) seemed ok. but i have since put in a 114 hi-comp kit so will be goin bigger. i didnt think a 110cc could handle a 120mj but you never know until you try i guess. just keep tryin bigger ones till ya foul a plug or see black smoke out the pipe.
Damn thats alot of fuel! I have the same carb on my TB108 and am at a 100 main and a 17.5 pilot with the clip at the bottom. Any bigger and it runs like shit. Unless you got some thin air there or something. Whats the plug look like after a plug chop?
Hell i put in a 130 last night and it ran like a champ. Wont take a 147.5 thoughhehe. She really bobbles on that size. Anyway i have to lower the needle one clip now and should be good. It will pull full throttle without laying down and does not blurble(sp) on top. The carb came with a 100 and worked ok but seems to run alot better now even with the air temps being overly hot. I have jetted a few gsxr's in the past and have never had to make this sort of a jump in jetting before. Seems wierd but works okay and i can even pull more rpms than i could when it was leaner. Bike runs a lot cooler also. randy
Ya but see the hotter it gets the leaner you can run the motor. Humidity will richen them up and cold weather leans them down. so you should be able to lean itt down and make it run better.
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