Greetings,

I've recently cleaned and synchronized the carbs on my '91 GS 500 E, and in the carbs there were two plastic pieces that limited the travel of the flow valves.

The mechanic told me those were the limtators, my bike being limited to 25 kw.

So I told him to take them out and I made a picture of them.

Are these the power limitators?



The reason I ask this is after the cleaning, the synchronization of the carbs, and the removal of the limitators, the bike won't go over 140 km/h, the power stalls at 8000 RPM, and it seems to struggle to go further. ( this in the 6th or the 5th gear )

Someone told me stripping down the engine and cleaning + inspecting every damn part would help.

Thoughts?

When the power is limited they also jet the carbs differently. When those limiters are removed you'll most likely need to rejet.

Is this another British thing? Like restrictor plates?

I think so, Scott.  People should always put their location in their profile so we know what regulations and climate they have.  Makes guessing likely answers much easier!

If I am not mistaken there are also some restrictors on the intake ports.

Here you are.. http://forum.gs-500.de/viewtopic.php?f=74&t=22753

Copy-paste it here http://translate.google.com/?sl=auto&tl=en# to see the translated text. 

I am from Romania but the bike came from Germany.

Thank You: lamoun

So taking those two black pieces off isn't enough? Adjustments are needed to the carb?

Edit: I do not have the two 135 nozzles the guide tells me to fit in the carbs. Will it be best if I put the limitators back?

I hope having the limitators off and not changing the jetting might affect the way the bike runs/

Limiters help nothing, you can leave them out.  Also check for limiters between the carbs and the engine and remove those also.  I have no limiters and my jets are smaller than yours.

Why European governments strangle 45 HP bikes with limiters blows my mind.  Why don't they concentrate on more important things, like stopping the muslims from taking over?

Quote from: bill14224 on June 25, 2009, 08:39:20 PM
Why European governments strangle 45 HP bikes with limiters blows my mind. 

Its an EU law introduced to prevent inexperienced newbies from killing themselves Bill and it has proven to be very effective. 

Where exactly limiters between the carbs? Cand you point them out on the pictures in this topic? http://forum.gs-500.de/viewtopic.php?f=74&t=22753
Thanks you all for the help provided.

PS: Sledge is right Bill, this is to prevent inexperienced riders from killing themselves. In my country this happens very often with fresh bikers on R6 and Ninjas that end up crippled or in the morgue. Almost daily a new serious accident happens.

I guess I was wrong. There are no restrictions between carbs and the intake ports.

They say just to beware the alignment of the carb boots.

Misaligned pic.

Quote from: nemuro on June 24, 2009, 10:54:55 PM
Greetings,

I've recently cleaned and synchronized the carbs on my '91 GS 500 E, and in the carbs there were two plastic pieces that limited the travel of the flow valves.

The mechanic told me those were the limtators, my bike being limited to 25 kw.

So I told him to take them out and I made a picture of them.

Are these the power limitators?



The reason I ask this is after the cleaning, the synchronization of the carbs, and the removal of the limitators, the bike won't go over 140 km/h, the power stalls at 8000 RPM, and it seems to struggle to go further. ( this in the 6th or the 5th gear )

Someone told me stripping down the engine and cleaning + inspecting every damn part would help.

Thoughts?

that part about stripping the engine, whoever told you that, konk em in the head next time you see them, then tell them to please not spread any more bs they know nothing about.

if you're chocking at 8K, and you removed air restrictors, most likely your mixture is way off. leaving stuff stock is best (ask me how long i've been trying to make a non-stock gs actually f%$king run), and rejetting means forever trying to make it 'right'.

Quote from: ohgood on June 27, 2009, 10:21:58 AM
that part about stripping the engine, whoever told you that, konk em in the head next time you see them, then tell them to please not spread any more bs they know nothing about.

if you're chocking at 8K, and you removed air restrictors, most likely your mixture is way off. leaving stuff stock is best (ask me how long i've been trying to make a non-stock gs actually f%$king run), and rejetting means forever trying to make it 'right'.

If the air restrictor is just a rubber ring that goes onto the air filter, my air filter doesn't have one on it, and never had since I bought it. The air filter looks flawless and was recently cleaned with an air compressor. Could it be that the filter may have some imperfections I cannot see and I need to replace it? I haven't replaced it yet, and I have almost 2000 KM done on it.

The thing is it goes over 8k smoothly but only in gears 1, 2, and 3. Anything higher that that gives the stall I talk about.

Thank you.

Now it sounds to me like you either have a fuel delivery problem (use the PRI position on the petcock to find out) or your battery is weak and can't supply enough ignition current at high rpm.  Do you have plenty of battery power to crank the engine?  Best of luck sorting it out.

As for limiting bikes, it makes more sense to me to limit the size of the engine new riders can ride rather than installing engine strangling devices.  I hate low speed limits, but I'd bet that's more effective at reducing fatalities than low HP.  Even with low HP you can go pretty fast, it just takes longer, and to me at least an unrestricted GS is pretty tame.  That's a big reason why I like it.  It's a forgiving and easy to ride friendly bike as-is.  I don't see a compelling reason to cut down the modest HP it has, and there's no comparison to be made with an R6 or a Ninja other than handling, right?

You might be right about the battery, it was dead when I got it, I resurrected it by wiring to another battery and I didn't replace it for over 5 months now. The new one waits on my desk. I thought this works out well for now.

Don't know about that thing regarding the uselessness of limiters on the gs... This bike seemed more than I could chew for my first rides. Now we are getting acquainted .