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#11
General GS500 Discussion / Gs500f getting stuck at rpms
Last post by Skryant-the tyrant - September 28, 2024, 04:47:48 PM
I recently picked up 2 2005 gs500f, one a naked and one with a cowling... one of the bikes has a problem where when it warms up it will get stuck at 3k rpm. When I originally start the bike cold it revs fine but once warm it drops back down slowly but like I said the warmer it gets the slower the rpm's drop until it gets stuck...

It's NOT the idle screw because I've adjusted that every which way. The problem only occurs when the bike gets warmer.

I've taken apart the carb, cleaned it, the jets are super clean and the seals to the engine to the carb seem fine, and from the carb to the airbox are good as well. Any ideas would be greatly appreciated!
#12
General GS500 Discussion / Re: Oil pool on top of left ex...
Last post by keith - September 28, 2024, 01:22:05 PM
Cool, Thanks everyone.
#13
General GS500 Discussion / Re: Why is the 2003 missing?
Last post by keith - September 26, 2024, 08:43:09 AM
Quote from: Bluesmudge on September 10, 2024, 11:26:20 AMSounds like Canada's '03 is the same as the '01 and '02 bikes.
Partly yes and partly no. On my bike I have the single pickup you find on the 04 and up model. It's a wacky world here in Canada!
#14
General GS500 Discussion / Re: 2001 gs500 running issues
Last post by herennow - September 26, 2024, 01:33:21 AM
Also, How is the idle RPM adjusted (the little knob that sticks out the bottom of the carb). If its too low it will just die when you release the throttle.

Have you read through Josh's thesis on carbs? Can be quite helpful. (even though he gave up and went to fuel injection 🤣
#15
General GS500 Discussion / Re: 2001 gs500 running issues
Last post by moe_tunes - September 25, 2024, 06:53:18 PM
The fact it does run with the choke is a good inicator of a lean mixture. If you are confidant the carbs are clean, especially the idle jets, then start looking for vacuum leaks. Check the vacuum hose for the petcock and the carb manifold rubbers including the o-ring. Pop the airbox on if you haven't already as that adds a restiction to the air flow and might help...

Hope that helps.
#16
General GS500 Discussion / Re: 2001 gs500 running issues
Last post by Armandorf - September 25, 2024, 04:43:49 PM
have you cleaned jets? at least the pilot jet and the bowl. be careful opening it, twist it a bit to unstick, if you pull out it could rip the gasket.

Choke enrichens the mix so it could mean the jet is clogged and you are compensating with choke.

air/fuel at 3.5 turns out could help but you may be over compensating a clogged jet
#17
General GS500 Discussion / Re: 2001 gs500 running issues
Last post by Armandorf - September 25, 2024, 04:42:35 PM
have you cleaned jets? at least the pilot jet.

Choke enrichens the mix so it could mean the jet is clogged and you are compensating with choke.

air/fuel at 3.5 turns out could help but you may be over compensating a clogged jet
#18
General GS500 Discussion / 2001 gs500 running issues
Last post by VFRTOM - September 25, 2024, 08:46:17 AM
Hello everyone

Currently have a 2001 gs500 and need help getting it running

Problems-
Will not idle.

Only runs on choke or turn choke off and use throttle to keep it running, idle screw does nothing even when fully warmed up for 30 minutes

So far done-
Cleaned carb 4 times and replaced all the o rings top and bottom + new diaprams in the top and its fully clean!!

Air/fuel 2.5 turns out

Using a temp gravity tank/bottle so only 1 fuel line to the carb as the orignal is soaking atm to get the rust removed

Desperate for help!!! been trying to get her running properly for 3 weeks now and still wont idle

Any help is really appreciated guys!!! :D
#19
Projects / Builds, Racing and Tech / Re: The Goose has landed: 1996...
Last post by Armandorf - September 19, 2024, 11:27:44 AM
Quote from: Armandorf on July 12, 2024, 04:25:42 PMScotchbrite on the pins is crucial to reduce brake pads chattering, also check both pistons are moving, sometimes one is stuck and it drags on one side, clean the pistons walls that slide with the oring.as suggstion goes,
greae or replace the 3 bearing piece that connect r6 shock to frame and swingarm.

Suggestions
-if you happen to open at any time the stator/magneto cover check the magnets, in some cases the resin gluing the magnets starts crackking. starwalts syndrome
consider that at some time the pickups will fail, its anotherr failure point, goats syndrome
-the clutch actuator and push rod need grease, inside, and this piece has to be in good shape to make the correct 3 point adjustment.i have a post about it
-petcock also fail with age(vaccum operated ON position)
-stem adjust and inspect, bearings (32005 and 32006 , some are have a plastic piece holding the cylinders instead of metal.
-if you feel fancy to replace all bearing you have swingarms to frame, you can grease them.
-check wheel bearings,grease
-cam chain tensioner, beware, for me it work ok, some replace it with fixed,not automatic(spring loaded), many other model fit,cbx250 and others of bigger bikes
-yamaha raptor 350 and other yamaha use the same carb, bowl gaskets are cheaper for these brands and original parts and more available and usually cheaper
-beware of hand control switches cable routing, the forks can pinch them
-wiring loom can fall of the frame hangers, check
-clean clutch and brake switchs on the levers, isopropyl or contact cleaner works (syringe or spray)in the tiny gap , click them while wet 100+ times
-grease tacho and speedo gear , ends of the cable.
-tighten electrical connections, clean connectors
-lube tank lock
-replace oring of the dipstick
-replace oring in carb boots
-beware tank petcoks flat head screwdriver is perfectly straight(a bit off and resticts fuel passage) and clean gas screen petcock.


How it is going?, yes, they are two separate things, i edited the original post.

I would add that replacing JIS screws with allen for carbs its mich better
#20
General GS500 Discussion / Re: Oil pool on top of left ex...
Last post by Armandorf - September 17, 2024, 07:33:01 PM
Thats good info, the pool of oil makes removing the shim very difficult, i discovered that sucking that oil gives you more clearance(negligible) and combats the sucking effect when lifting the shim (sticks with oil to the tappet).
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