k3 33bhp removed help please bike seems slow

[sr25]

hi guys new to the site have owned my k3 full faired sv650 since march toured Spain on her which may i say she did perfectly! my sv was restricted when i bought her (i have a full license) so want to remove it, its not on the ecu as usual it done by restricting the throttle play and washes to restrict air flow ive taken the throttle restrictor off but the washes are not in the air box were they are ment to be so i assume already been remover (may be wrong) it may be me wanting more but i find she struggles to go over 8k and doesn’t top much over a ton (i take her on track days and would never dream of doing that on the road) am i being greedy or is there something wrong i do have a racing can. Also thought i might im only around 11 stone so my weight cant be a factor.

Thanks

Sr25

[Dave20046]

You're thinking of the wrong bike. I don't think there are any restricting washers in your k3, on the old models yeah but on the k3 I believe a replacement(non restricted) ECU is required.

[Richie]

You're thinking of the wrong bike. I don't think there are any restricting washers in your k3, on the old models yeah but on the k3 I believe a replacement(non restricted) ECU is required.

You are correct, the fuel injected SV is ECU, the Carb'd version ie Curvy is washers...
Just because it might be a 03 plate it may be a 02 Curvy bike first registered
in 03...

[ophic]

You're thinking of the wrong bike. I don't think there are any restricting washers in your k3, on the old models yeah but on the k3 I believe a replacement(non restricted) ECU is required.
Dave you can restrict injected bikes either way.

Sounds like something is definitely up tho - peak power should be just past 9000rpm and still pulling hard up to the redline. Are you sure the air intake isn't restricted in some way?

[Dave20046]

You are correct, the fuel injected SV is ECU, the Carb'd version ie Curvy is washers...
Just because it might be a 03 plate it may be a 02 Curvy bike first registered
in 03...
ahh good point! If it is the carbed model then the the washers whould be visible sat in the carb mouths. I didn't know they restricted the throttles on carbed bikes though, thought it was only on fuel injected's so as not to confuse the fancy electricories and injectamos.

[Dave20046]

Dave you can restrict injected bikes either way.

Sounds like something is definitely up tho - peak power should be just past 9000rpm and still pulling hard up to the redline. Are you sure the air intake isn't restricted in some way?
hmm didn't know that, where are the washers located on an injected bike, in the throttle bodies or something?:scratch:
my pointy was done the plug & play way.

[MattCollins]

Sounds like the bike might have a restricted ECU. The question is how to identify such a beast.

[MattCollins]

Dave, on top of the throttle bodies.

[Dave20046]

cheers
Sounds like the bike might have a restricted ECU. The question is how to identify such a beast.
The restricted ones' part numbers end in a 2 (or 002?) whereas standard one's are a 1

[MattCollins]

Sure about that Dave? The only info that I have turned up has been part numbers 32920-17G10 for restricted and 32920-17G20 unrestricted.

[sr25]

yer shes fuel injected, it def feels something is holding her back, ive re built bikes in the past so know a few things but this is puzzerling me i cant c anything restricted the air flow into throttle bodies

[Dave20046]

Checked the ECU?

[yorkie_chris]

Washers are below the TBs I think. Can you see anything if you look through down below the butterflys?

Edit: there would not be much point in restricting it with a throttle stop + washers AND the ECU method!

[jambo]

The FI International kit has 2 parts:
1) Throttle stop (I believe this is at the throttle body side of the throttle cables, sounds like you've already removed that).
2) Airflow restriction washers. These are not in the airbox, but generally mounted up between the throttle body and engine block. Removing the throttle bodies should let you see it.

Jambo

[sr25]

jambo u diamond yes its the F.I kit im going to wip the tb's off tonight is it a quick and easy job on the sv's? as im not getting home till late so dont want to start something that will take a couple of hours. also anyone got dyno read outs of a sv?

[yorkie_chris]

Like I say, before you take whole TBs off, look down through them, you will be able to see washer if it is in the way. You only need to take airbox lid off then.

[sr25]

ill take a look inside then i expect ive missed them but if i do need to take them off any guides??

[yorkie_chris]

Not really much help TBH. You should be able to lift them far enough to get the washers out without disconnecting too much stuff. There's just a couple of screw clamps which secure them to the inlet rubbers.

[ophic]

Just be wary of YCs idea of "too much stuff" :p

[sr25]

lol ok thanks guys

[MattCollins]

Chris, this was what I was thinking... On top, but yeah could just as easily be underneath.

http://forums.sv650.org/showpost.php?p=2013633&postcount=13

[yorkie_chris]

Oh, so maybe the EFI ones do live on top!

Don't suppose it matters since the pressure sensors are in the airbox.

sr25, write down all the digits on the ECU and post them up also, you never know!

[sr25]

ok i will do but wont be untill tommorow as at work, the tb's look a pease of **** to lift up slightly just two screws on the rubber mount however if there not there ill stick on a dyno and c wats she kicking out

[yorkie_chris]

A naked one will indicate about 125 flat out.
ECU restricted will just indicate the ton (S model)

[warrenhewitt10]

my k3 had a throttle stop restrictor in it, which would suggest the "throttle play" restiction, it had a wee peice of metal that was screwed onto the front of one of the throttle bodies just to stop the big gold arm from using all of its travel when opening the throttle, ill go take a photo if that seems a bit confusing and if it sounds reasonable!

[pin64]

jambo u diamond yes its the F.I kit im going to wip the tb's off tonight is it a quick and easy job on the sv's? as im not getting home till late so dont want to start something that will take a couple of hours. also anyone got dyno read outs of a sv?

I have a dyno readout - guy I bought it off did one for some reason. If i find time tomorrow i'll scan it in for you.

EDIT:: the dyno is for a pointy k6 with sports can - not that i expect that makes a huge amount of difference...

[Dangerous Dave]

Oh, so maybe the EFI ones do live on top!
That is correct, the Curvy ones live underneath, and the Pointy's also have a throttle stop with the FI kit.

Makes the fuelling crap as nothing tells the ECU the bike is restricted, that is why the Suzuki ECU Restrictor is the one to choose.

[Mej]

That is correct, the Curvy ones live underneath, and the Pointy's also have a throttle stop with the FI kit.

Makes the fuelling crap as nothing tells the ECU the bike is restricted, that is why the Suzuki ECU Restrictor is the one to choose.

I have the FI kit and i am 99% certain there is no throttle stop on my bike, there is just two washers that can be seen if you open the airbox, to take them off you just need to lift up the airbox and pull them out of the holes.

http://i408.photobucket.com/albums/pp169/J2UK/DSCF2798.jpg


Mind you what is the top end of the SV supposed to be???

[Mej]

my k3 had a throttle stop restrictor in it, which would suggest the "throttle play" restiction, it had a wee peice of metal that was screwed onto the front of one of the throttle bodies just to stop the big gold arm from using all of its travel when opening the throttle, ill go take a photo if that seems a bit confusing and if it sounds reasonable!

That would be good to see as i cant see a throttle stop on mine.

[Dangerous Dave]

I have the FI kit and i am 99% certain there is no throttle stop on my bike
They are part of the kit, I am 100% certain on that, as to whether they were all fitted I wouldn't know... ;)


http://i408.photobucket.com/albums/pp169/J2UK/DSCF2798.jpg

Thats the two washers, pop the box up and they come out easily.

[Sally]

There has to be a throttle stop, doesnt there?

What would the bike run like with a restricted airflow and normal fuelling?

J2UK, look from the left of the bike, in between the two cylinders if I remember right(correct me if I am wrong), you should see a gold coloured small piece of metal, L shaped. You should be able to tell from twisting the throttle, if theres a stop or not.

[Graciepants]

my cbr is restricted like yours (the FI way) - throttle stop like yours and washers (or whatever) in the injector thingys (come on dave you should know this!) - not washers in the air box, i'm afraid you're looking in the wrong place!

[sr25]

i found the washes underneath the throttle bodies and now shes like a different bike bloody lovely

[Sally]

i found the washes underneath the throttle bodies and now shes like a different bike bloody lovely

Good :)
Have fun ;)