Recent Posts

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Hello - I have a very lightly used air filter, the "lunchbox" style K&N RU-2970 for sale.  This was used for only about 200 miles before I switched to pod air filters.  $20 (including US shipping) or best offer.  Let me know if you are interested! 
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General GS500 Discussion / How to plug a tank for rust removal
« Last post by Jwellens on June 16, 2019, 11:57:45 PM »
Hey guys wondering how you plugged up your tank to remove rust and what you used.
Do you take off the gas cap fully to protect the gasket? how do you plug the hole for the petcock?
My gas cap is sticky/corroded and doesnt want to open up, how do I go about cleaning that as well?
07 gs500f
Thanks!
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Projects / Builds, Racing and Tech / Re: '09 GS500 Scrambler Build in LA
« Last post by Bluesmudge on June 16, 2019, 08:29:06 PM »
Sorry, I think that your Home Depot Metal+Auto Zone trim siding ruins the look of the bike; it takes your project from looking like a cool modern scrambler to "Waterworld/Mad Max/Blade Runner" prop bike and it totally overpowers the clean lines you have worked so hard to create.

A classic scrambler ovular number plate would be the way to go IMHO.

Like this:


You can probably buy generic plastic number plates on eBay.
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Looks like something inside the nacelle got really hot and caused the coating in the headlight reflector to melt.  Could be heat from the HID lamp, which an LED replacement would certainly cure.
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Odds n Ends / Re: Gstwins "server couldn't be found"
« Last post by Kilted1 on June 15, 2019, 11:14:11 PM »
Was down for me earlier today (in the US).  Obviously it's working now as is the Wiki site.
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General GS500 Discussion / Re: Sounds like an air leak, right?
« Last post by Kilted1 on June 15, 2019, 11:06:15 PM »
Could be the idle is dialed up to compensate for the vacuum leak.  Also, identifying and fixing one leak doesn't mean you don't have others.  But certainly fix the one you know about first and go from there. 

Good luck!
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I wonder if my left float is stuck or faulty, when I was removing my carbs today there was 3.5 capfulls of gas in the left cylinder, only 1 capfull in the right cylinder. Maybe this is because its on the sidestand so the gas is tilted to the left, but I dont think there a way for gas to move from right to left cylinder. Im still getting a little gas in my airbox, not a lot, but sometimes there will be a 4 or 5 inch puddle under my airbox drain hose. But its pretty consistent that it will leak sometimes..

You could have a stuck or mal-adjusted float.  Or simply a worn out, leaky needle valve.  It's typical to get more out of the left carb drain when it's on the side stand.  Especially if you do that one first.  (If it's on the center stand you'll get more fuel on whichever side you do first because it's going to drain the supply tube as well.)  But to have fuel overflowing into the airbox and onto the ground means you don't only have a leaky float valve, you also have a leaking petcock.  It may not be much but over time even a slow drip adds up.

The sync adjustment is on the throttle shaft between the carbs, right next to where the cable attaches.  Not related to your issue.  It's basically just a trim adjustment between the left and right throttle plates as Monkeyman said.  Twiddling with the pilot jets won't bother your sync.

Good luck!   :cheers:
Looks like you were right, I replaced the petcock with an ebay one and it solved my leaking airbox issue. Thanks!  :D
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i finally re-jetted my baby and here's my experience. Thanks for all your help on this thread. Here's what I recommend for a '09 Suzuki GS500F carb though.



I emailed Jetsrus' Mike to get the GSTwin recommendation sets and it takes forever to get a message back. Must be a 1 man shop there so I went down to Sudco, in South Central Los Angeles, and they have like every jet size/set. Eric helped me on a memorial day weekend and stayed later for me to pick up. He’s the owner supposedly, i thought that was wicked cool. I am a noob and honestly to clean them, clean the carbs, replace the seals, and put them in takes at least 1 hour and putting on the K&N RU-2970 airbox was like an additionally 30 mins. I have a lot more loose rubber tubes now to clean up but wow, I gained so much space under seat now.




The bike fired right up, but sounded shitty & cut out eventually after a rough start sitting out overnights, so you should definitely replace the spark plugs & tweak fuel mixture screws, easy to access once you find them, i am currently at one full turn. I definitely feel some additional power and boy is she louder but maybe I still need to tweak carbs. Hear how she sounds now, she pops hard when you let off the throttle, https://youtu.be/DjhBSN3Err0. Should I check to see if carbs are balanced (synced)? I made this just in case after seeing this video, kinda want to try it out https://www.youtube.com/watch?v=7D_f05_a74Y.


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Projects / Builds, Racing and Tech / Re: '09 GS500 Scrambler Build in LA
« Last post by Carltheproducer on June 15, 2019, 02:38:01 PM »
Updates and more questions. I noticed my clutch cable was going, 10 years and 30k miles, she was the original. Therefore I replaced the throttle cable and actually lubed them for the first time. Apparently, Teflon Bicycle Chain Lube is the best, local Suzuki moto dealership shop trick.


Since you have to take the tank off, i finally re-jetted my baby and here's my experience. I read some many forum posts about re-jetting and still confused so I started this thread, http://gstwins.com/gsboard/index.php?topic=72965.msg877814#msg877814 for clarification. It kinda helped but what would of saved me a lot of time was to take a seat off and look for myself. Here's what I recommend for a '09 Suzuki GS500F carbs.



I emailed Jetsrus' Mike to get the GSTwin recommendation sets and it takes forever to get a message back. Must be a 1 man shop there so I went down to Sudco, in South Central Los Angeles, and they have like every jet size/set. Eric helped me on a memorial day weekend and stayed later for me to pick up. He’s the owner supposedly, i thought that was wicked cool. I am a noob and honestly to clean them, clean the carbs, replace the seals, and put them in takes at least 1 hour and putting on the K&N RU-2970 airbox was like an additionally 30 mins. I have a lot more loose rubber tubes now to clean up but wow, I gained so much space under seat now.




The bike fired right up, but sounded shitty & cut out eventually after a rough start sitting out overnights, so you should definitely replace the spark plugs & tweak fuel mixture screws, easy to access once you find them, i am currently at one full turn. I definitely feel some additional power and boy is she louder but maybe I still need to tweak carbs. Hear how she sounds now, she pops hard when you let off the throttle, https://youtu.be/DjhBSN3Err0. Should I check to see if carbs are balanced (synced)? I made this just in case after seeing this video, kinda want to try it out https://www.youtube.com/watch?v=7D_f05_a74Y.



What do you think about these side panels? Idk, maybe they just need to be painted black & buy a thicker rubber width trim or I need to source another option like heat resistant fabric/leather or Diamond Tread Aluminum Sheet in Silver?






I just don't know how to clean this rubber trimming up, heat gun?
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Maybe from the old engine that went, one of them is definitely damaged. Let me head to shop sometime in the following week. Shoot me a DM with your contact info so I can text you some pics.
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