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83 GS450L bogging issue

  • Thread starter Thread starter handrolld
  • Start date Start date
H

handrolld

Guest
Hello all.
I am a newbie to the GS make. I have been riding a DRZ400sm for quite sometime now and can tune the BSR36 carb for all conditions, but these BSR34's are kicking me in the pants.

Symptom
From idle to 4000 RPM the motor will bog. It takes chopping of the throttle to get the RPM's up. once over 4000 it runs like a top. I thought it might be a air flow issue but I removed the snorkles and the top of the air box to no avail. I did not remove the air filter though.

I have cleaned the carbs by removing the main jet and the jet that is on the intake side of the carb. Sprayed the slides and floats and all of the moving parts. Looks almost new now. There is what appears to be a pilot jet that does not have a flat head screw slot and I was not able to remove it without scoring it up so I just forced carb cleaner thru it. If there is a trick to getting these out for cleaning please let me know. I have also checked the plugs and they are alittle on the lean side but thats usually how suzuki runs the stock setup.

If this was my DRZ I would adjust the fuel mixture screw and the pilot jets appropriatly but I have not been able to locate the screw on these carbs and don't want to start changing jets until I know if there is one or not.

Any ideas will be greatly appreciated.

Thanks for reading.
 
Check out Basscliff site (he'll be along soon), there are two version of how to properly clean the carbs, which you'll need to do. Will also need o-rings from Cycle-o-rings and replace o-rings in boots to engine. After that you'll need to sync them. And be sure to do valve adjustment before you finish with the carbs. Lots of stuff you can do, check out the list on Basscliff's site. terrylee
 
I checked out cycle-o_rings already and im'd chef about new diaphrams as well. Speaking of the valves anyone have a link to the valve specs? Thanks terrylee
 
Greetings and Salutations!!

Greetings and Salutations!!

Hi Mr. handrolld,

You'll have to remove the caps on the idle mixture screws so that you can remove them, along with the spring and O-ring underneath. Then you can soak the bodies and all the metal bits in a carb dip to really get them clean. Then reassemble with an O-ring kit from http://cycleorings.com. Use THIS PROCEDURE. It's all in your "mega-welcome".

Let me dump a TON of information on you and share some GS lovin'. :D

I just stopped by to welcome you to the forum in my own, special way.
big_hi.gif


If there's anything you'd like to know about the Suzuki GS model bikes, and most others actually, you've come to the right place. There's a lot of knowledge and experience here in the community. Come on in and let me say "HOoooowwwDY!"....
hat1.gif


Here is your very own magical, mystical, mythical, mind-expanding "mega-welcome". Please take notice of the "Top 10 Common Issues", "Top 15 Tips For GS Happiness", the Carb Cleanup Series, and the Stator Papers. All of these tasks must be addressed in order to have a safe, reliable machine. This is what NOT to do: Top 10 Newbie Mistakes. Now let me roll out the welcome mat for you...

carpet.jpg


Please click here for your mega-welcome, chock full of tips, suggestions, links to vendors, and other information. Then feel free to visit my little BikeCliff website where I've been collecting the wisdom of this generous community. Don't forget, we like pictures! Not you, your bike! :D

Thanks for joining us. Keep us informed. I will put you on my prayer list.

Thank you for your indulgence,

BassCliff
 
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