old_rider
Serious Thumper
   
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Backyard Bill Productions
Posts: 3147
flordia panhandle
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Read all the posts... sounds like you have run the gauntlet of things and replies.
Sounds like you have taken it all in stride (good on you)... without being there in person sometimes it can be frustrating as a reader/listener figuring out what exactly someone is explaining, different minds interpret differently even though the words are black and white to the writer.
If you have done all the internals and it is running semi-great and you are looking to fine tune....and you have someone who knows carbs and fuel/air flow (there are tons of folks on this site) a walk through would again be needed.
First, now this is my first reply on your post... I watched your video.... Have you ever reached the end of acceleration? where the throttle would NOT twist any further? In every post you made, you never ONCE said that, it was always "I could have", never I could NOT twist it any further. I realize you are a young rider, but to post (will not go past 60ish mph) and you have yet to twist the throttle to the stop...well.. then you really don't know if it will do 90mph.
Second, you have a cone filter, and i'm guessing you do not know what jets your carb has to compensate for all the air going into the fuel/air ratio (which could be limiting your speed).
Third, please spend some time in the "Tech section" of this forum, if you understand all the tech stuff read away or let your dad read about the carb stuff. It is all fine and dandy to ask a question, but the reader needs to know ALL the information to make an educated guess (hypothesis) as to how to help you in the best way.
Fourth, I apologize if I am coming off gruffly, old guys are kinda set in their ways and get all antsy when their minds can't rap around what you are trying to get across, and we have ADHD when we can't get our points across, just ask pop, he will tell you... or go buy your experiences with him LOL... my pops would get short with me on occasion.
Hope this has shed a little light on what you need to do.... Lancer or Versy could probably explain the carb jets, or possibly Dave, a lot of folks have done carb mods and changed jets.
But please... read up a bit in the Tech Section so maybe you can understand what you want to ask, if you can be a little more "specific", it would help a lot, and not knowing about engines or how they work can be a real pain for you and those trying to help.
P.S. (edited) If you do not feel safe twisting the throttle all the way in fourth gear, get someone who will and let them tell what is happening with the bike. Don't do it if you don't feel safe, its not smart to ride beyond your feelings...trust me on that.
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