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Old 05-04-11, 06:49 PM   #21
leebex
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Default Re: My curvy build thread.

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Originally Posted by radicalry00 View Post
I'm guessing it's to do with this little trick:

http://www.sv650.org/ig_retard/ignition_mod.htm

Just read this topic, thanks for posting it up, does it actually make much noticeable difference when riding through 2nd and 3rd?

Interesting build LJH, looking forward to reading more.

Lee
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Old 05-04-11, 07:01 PM   #22
LJH
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Default Re: My curvy build thread.

I'm not sure it feels any faster (technically it will be slightly) but it definately feels more lively and the engine sounds a bit more smoother/grunty/V-twinier...
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Old 05-04-11, 07:09 PM   #23
maviczap
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Default Re: My curvy build thread.

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Originally Posted by LJH View Post
If you are in 2nd or 3rd gear the ecu retards the ignition (giving lower power) so it can pass noise tests when it was made, disconnecting these wires means it makes full power in 2nd and 3rd.
Fraid it doesn't make a blind bit of difference, and is not worth bothering.

Same as buying a TRE.

I've done this, so save yourself the bother

Drop a tooth on the front sprocket and buy an R6 throttle tube.

Ultimate mod is to buy some Pointy intake cams and swap the cams round.
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Old 05-04-11, 07:44 PM   #24
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Default Re: My curvy build thread.

mmmm i like adding pointy bits Have thought about a cam swap, but unlikely I`ll end up doing it.

what does an r6 throttle tube do then?
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Old 05-04-11, 07:47 PM   #25
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Default Re: My curvy build thread.

Instead of having to twist the throttle 3 or 4 turns to full open, it reduces it to about half a turn to full open.

So inessence its a quick action throttle, although not the same as a proper race one.

Cost £10

Still got to do mine, its sitting in the garage
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Old 05-04-11, 07:49 PM   #26
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Default Re: My curvy build thread.

wow thats responsive!! maybe worth looking into then.
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Old 05-04-11, 07:51 PM   #27
maviczap
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Default Re: My curvy build thread.

I maybe exagerating a bit, but the OEM cuvy throttle does have a lot of travel to full open doesn't it and for the cost of the throttle tube its worth it
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Old 05-04-11, 10:50 PM   #28
LJH
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Default Re: My curvy build thread.

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Originally Posted by maviczap View Post
Fraid it doesn't make a blind bit of difference, and is not worth bothering.

Same as buying a TRE.

I've done this, so save yourself the bother
As said not noticeable to acceleration but i'm sure its smoother, obviously it does do something as having the ignition retarded is not good.
Haven't heard of the r6 throttle mod, i've always thought the sv650 one was rubbish, may do this too.

Last edited by LJH; 05-04-11 at 10:52 PM.
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Old 06-04-11, 07:27 AM   #29
daveyrach
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Default Re: My curvy build thread.

Just discovered my throttle turns just over 1/4 of a turn from closed to fully open! Wasn't mentioned on the list of MOD's when i bought it, would this be the R6 throttle MOD?
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Old 06-04-11, 10:12 AM   #30
LJH
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Default Re: My curvy build thread.

The standard sv650 throttle is 1/4 90degrees but the r6 is 1/5 72degrees.
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