How about my rejet (5.question) =))? I still dont know what means it. Can you help me about it? Thanks 🙏

Rejet = changing your jet sizes for tuning purposes.

Thank you both. Jets will come in 25 days. I cant wait =)). How much hp i gain with air lunch? How much hp i gain only with these jets? Thanks again..

I think all the 2003's except for Canada are listed with an adjustable needle, so you don't need to worry about putting washers under the needles.

Main jets for the year (according to the manual) are 115, 127.5(Canada only) and 130.

You should be able to use the jets you bought with a stock filter and air box. The number of turns refers to the pilot screws. In some markets
the screws are concealed under brass plugs, because they don't want you to adjust them. Your pilot screws are probably adjustable. If you
don't want to mess with them, don't replace the pilot jets, just change the mains to 135. You may need to try different clip positions on the needles
after you change the mains.

Setting-up pods or a lunchbox filter can be pretty difficult to get right, these CV carbs were designed to work with an air box.

Hello everyone from Turkey. I have a 2003 GS500.
I want to change my jets. I learnd from wiki mine jets are 17.5/60/127.5.
So i bought 20/stock/135 from ebay. I have a few question.
1-) I saw on here some people put washer/washers to needle. These washers should be #3. But i dont know what means this symbol "#". Is this size of calibre , size of wall thickness or size of hole? Also that "3" is mm or inch?
2-)How much washers should i put there??
3-)i saw expression like "2.5 turn" , "3 turn". What should i turn exactly?
4-)I am thinking about buy a k&n filter (lunch box). Is it okay with new jets if i buy? Or i should use them stock filter?
5-)whats "rejetting"? Should i rejet my carbs after change jets and k&n lunch box filter?  or is this only needed when the filter is changed?

Quote from: Roofaloof on May 12, 2022, 09:47:43 PM

It was looks like no one is making any side racks anymore. Sometime down the line, I'll have to build some. I like carrying stuff on my bike.

Hepco & Becker will still make side carriers for your bike. I have them on my GS500F. Its a "we don't make it 'till your order it" situation for older bikes but if you order them from Motomachines.com in 4-6 weeks you will have a nice set of pannier racks that work with any of Hepco & Becker's nice side cases. I have the Junior 30 liter cases on mine.

They aren't cheap but they are very nice and made in Germany. I have one set of cases I swap between whichever bike I'm riding. You can often find used sets of cases on eBay and advrider.com. I've been using the same set of cases for 10 years, across many bikes and a few accidents/drops and they still look good.

Thanks for the tip, those racks look great!