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DT125R Forum -> Tuning -> top end revs
Post Info TOPIC: top end revs
northy2111


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top end revs
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Hi Guys,

Got a question, my accelaration is very good quite ballistic at times . I can acheive 65-70 mph in 5th gear at a push and with 10000 plus revs(not that I do this much!) but when I go to 6th gear it drops away and I can,t get any more than 8500 ish revs. It stays at 65mph give or take a bit, unless Im downhill ect  I,ve done the speedo reed thing, which is good. What restriction is stopping me in 6th and where is the bloody thing. I know I have to get a new exhaust (standard at the moment )  is this it? and what is the best exhaust to get if this is the problem?

Thanks Dan

 



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NEV


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Whats the tooth count on front and rear sprockets? it may be that its been set up for more lower end grunt, rather than top end.

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northy2111


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Yeah thats a fair point Ill check that out tomorrow ty

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xGINCATx


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DEP pipes are also supposed to have this 6th gear power drop (not that I've noticed it when I've had a DEP pipe on)
But if that's not applicable check that you have the standard 16/57 setup

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stroker


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Isit a pinned open power valve or servo?

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NorthEast


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If it has cables then it is the Servo you have and not pinned open.

 

I had a LC2 with servo and it wasn't as fast as my pinned DT. I did look a few days ago and there was something on the internet about the Servo needed a little adjustment to have it working correct

This was actually it. Obviously i have no idea what year bike yours is so don't know if it applies to you

 

http://www.dtr125.net/tuning97to99.htm



-- Edited by NorthEast on Sunday 22nd of January 2012 12:53:41 PM

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northy2111


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xGINCATx yeah its the standard 16/57 setup....and stoker no idea on that one!, all I can say is I can see movement on the power vaulve cables



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northy2111


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My bike is a 2000 model

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ToySoldier


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6th gear is a cruseing gear u dont wnat 6th to really rev out

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northy2111


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I do lol

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ToySoldier


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then KAAAABOOOOOOOOMM!!!!!!
then you would wish it dident rev out no more =]

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