K3/4/5 Restrictor... extra acceleration!!! - SV650.org

13-05-05, 06:17 PM

I noticed this last year: with the throttle fully opened, if I wanted to slow down a little and eased the throttle back gently, the bike accelerated

Has anyone else noticed this on a restricted bike? My bike definately accelerates better in top gears with 90% throttle

I'm experimenting a little more with it this year (for another 4 weeks, till it comes out

). Maybe its a peculiarity of the electronic restrictor

Anyone noticed this on a full power bike?

14-05-05, 12:47 PM

Maybe at 100% throttle the bike is too rich and as you back off it leans out a bit. Otherwise you have got one of those reverse action throttles (officer)

16-05-05, 09:53 AM

this also happens on cars if the air flow mass meter is on the way out.

i dont even know if the sv has one, it probably has though.

16-05-05, 11:01 AM

Yea ive noticed that 2 at full throttle i get about 94 but at about 90% i can break into three figures, this is with my restricted sk4

16-05-05, 11:20 AM

i get it on my full power bike, only thing i can think of is that when you back off the throttle that little bit the air/fuel ratio is getting near perfect/ideal for the load that its under and maybe the airflow into the carbs is smoother and it gives you that little teeny boost

18-05-05, 05:08 PM

My full power K4 bike does this too. Only slightly, but it's noticeable. I was actually looking to see if there was an area of the throttle past which rolling on further had no effect (thinking that is it was open fully, it should go no further). The effect is most noticeable when rolling very slowly off full throttle.

18-05-05, 06:01 PM

Havent really noticed.....but only got to max out the throttle today on the electronically restricted k5....164kmph......not a drop more regardless of throttle. 101mph. I for some reason thought the restricted version tops out at 113 and the full power near 130....anyone any thoughts?

18-05-05, 08:49 PM

when mine was restricted i hit 113. wouldnt budge past that tho. that was down a fairly steep hill with my chest on the tank. in the slipstreem of an R6.

My bike does the same thing with the throttle, but so did my last bike so i don't find it that odd.

19-05-05, 04:56 AM

My K4 Naked SV650 does the same thing and its also in stock condition.

Cheers!

19-05-05, 10:03 AM

Same here. Head upto roundabout etc. back throttle off and bike picks up speed

. scared me a little first time but now i'm used to it. This is on a stock 99' naked. Seems all of them do it regardless of carb or injection.
Mine tops out at 100-105 depending on road. But thats still at 90% throttle, crank it round and i lose speed a little.

13-05-05, 06:17 PM	#1
Daz Guest Posts: n/a	K3/4/5 Restrictor... extra acceleration!!! I noticed this last year: with the throttle fully opened, if I wanted to slow down a little and eased the throttle back gently, the bike accelerated Has anyone else noticed this on a restricted bike? My bike definately accelerates better in top gears with 90% throttle I'm experimenting a little more with it this year (for another 4 weeks, till it comes out ). Maybe its a peculiarity of the electronic restrictor Anyone noticed this on a full power bike?

18-05-05, 06:01 PM	#7
jamesobrady Guest Posts: n/a	weeeeeeeeeeeeeeee Havent really noticed.....but only got to max out the throttle today on the electronically restricted k5....164kmph......not a drop more regardless of throttle. 101mph. I for some reason thought the restricted version tops out at 113 and the full power near 130....anyone any thoughts?

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14-05-05, 12:47 PM	#2
Scoobs Guest Posts: n/a	Maybe at 100% throttle the bike is too rich and as you back off it leans out a bit. Otherwise you have got one of those reverse action throttles (officer)

16-05-05, 09:53 AM	#3
Captain Nemo Guest Posts: n/a	this also happens on cars if the air flow mass meter is on the way out. i dont even know if the sv has one, it probably has though.

16-05-05, 11:01 AM	#4
DanSV Guest Posts: n/a	Yea ive noticed that 2 at full throttle i get about 94 but at about 90% i can break into three figures, this is with my restricted sk4

16-05-05, 11:20 AM	#5
weegaz22 Guest Posts: n/a	i get it on my full power bike, only thing i can think of is that when you back off the throttle that little bit the air/fuel ratio is getting near perfect/ideal for the load that its under and maybe the airflow into the carbs is smoother and it gives you that little teeny boost

18-05-05, 05:08 PM	#6
Ceri JC Guest Posts: n/a	My full power K4 bike does this too. Only slightly, but it's noticeable. I was actually looking to see if there was an area of the throttle past which rolling on further had no effect (thinking that is it was open fully, it should go no further). The effect is most noticeable when rolling very slowly off full throttle.

18-05-05, 08:49 PM	#8
Godikus Guest Posts: n/a	when mine was restricted i hit 113. wouldnt budge past that tho. that was down a fairly steep hill with my chest on the tank. in the slipstreem of an R6. My bike does the same thing with the throttle, but so did my last bike so i don't find it that odd.

19-05-05, 04:56 AM	#9
a1a Guest Posts: n/a	My K4 Naked SV650 does the same thing and its also in stock condition. Cheers!

19-05-05, 10:03 AM	#10
Stormspiel Guest Posts: n/a	Same here. Head upto roundabout etc. back throttle off and bike picks up speed . scared me a little first time but now i'm used to it. This is on a stock 99' naked. Seems all of them do it regardless of carb or injection. Mine tops out at 100-105 depending on road. But thats still at 90% throttle, crank it round and i lose speed a little.