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Main Area => General GS500 Discussion => Topic started by: xunedeinx on November 01, 2011, 06:21:05 AM

Title: Just did carb jets and...SURPRISE!
Post by: xunedeinx on November 01, 2011, 06:21:05 AM
Ok, just did carb jets, 20/65/145, Done, no problem...

Found something interesting out about my bike...

A: Idle Mixture cap all ready done, screw out 3.5 times.

B: Pilot Jets were 22.5, so all ready changed!

So, I left the 22.5's in cause they were working fine w/ stock bike (exhaust, intake, advance), and changed the main and mid out. Idle screw at 3x out.

Start bike, idles the same, but is much healthier at speed from 3k to 10k.

And, I dont even have the Lunchbox yet! (in the mail) So it has the stock clogged air filter in there.

Is a lil rich I think, but airbox will fix that.

BOOYA!

BTW, Carb jets are EASY, pop off the float bowl, unscrew, rescrew, done. Didnt even remove the carbs from the bike, just turned it over. O0 :thumb:
Title: Re: Just did carb jets and...SURPRISE!
Post by: Flux Maven on November 01, 2011, 06:38:08 AM
Quote from: xunedeinx on November 01, 2011, 06:21:05 AM

BTW, Carb jets are EASY, pop off the float bowl, unscrew, rescrew, done. Didnt even remove the carbs from the bike, just turned it over. O0 :thumb:

Turn the bike over?!?!?!?! Does your bike lying on her back?
Title: Re: Just did carb jets and...SURPRISE!
Post by: ghostrider_23 on November 01, 2011, 06:39:19 AM
What year is your bike?

What do you mean you turned it over?
Title: Re: Just did carb jets and...SURPRISE!
Post by: sveach on November 01, 2011, 06:58:20 AM
Quote from: ghostrider_23 on November 01, 2011, 06:39:19 AM
What year is your bike?

What do you mean you turned it over?

He pulled the carbs off the motor by loosening the rubber slip on covers, then rotated the carbs so they were upside down. This allows access to the bottom of the carbs, which is where the jets are. 4 bolts on each carb and the covers are off, and you have access. Remove old jets, put in new, bolt covers back on, flip it back over and put it back on the engine. That's what I do too.
Title: Re: Just did carb jets and...SURPRISE!
Post by: xunedeinx on November 01, 2011, 07:06:10 AM
Quote from: sveach on November 01, 2011, 06:58:20 AM
Quote from: ghostrider_23 on November 01, 2011, 06:39:19 AM
What year is your bike?

What do you mean you turned it over?

He pulled the carbs off the motor by loosening the rubber slip on covers, then rotated the carbs so they were upside down. This allows access to the bottom of the carbs, which is where the jets are. 4 bolts on each carb and the covers are off, and you have access. Remove old jets, put in new, bolt covers back on, flip it back over and put it back on the engine. That's what I do too.

Exactly. Seemed easier to do than fiddling with removing the throttle cables and wires and shaZam! if all I was doing was replacing 6 jets.
Title: Re: Just did carb jets and...SURPRISE!
Post by: ghostrider_23 on November 01, 2011, 07:26:11 AM
Sweet, thanks for sharing your technique :bowdown:

I am getting up enough nerve to do it myself with advise like this  :woohoo:
Title: Re: Just did carb jets and...SURPRISE!
Post by: The Buddha on November 01, 2011, 08:21:49 AM
Quote from: xunedeinx on November 01, 2011, 07:06:10 AM
Quote from: sveach on November 01, 2011, 06:58:20 AM
Quote from: ghostrider_23 on November 01, 2011, 06:39:19 AM
What year is your bike?

What do you mean you turned it over?

He pulled the carbs off the motor by loosening the rubber slip on covers, then rotated the carbs so they were upside down. This allows access to the bottom of the carbs, which is where the jets are. 4 bolts on each carb and the covers are off, and you have access. Remove old jets, put in new, bolt covers back on, flip it back over and put it back on the engine. That's what I do too.

Exactly. Seemed easier to do than fiddling with removing the throttle cables and wires and shaZam! if all I was doing was replacing 6 jets.

I do that way as well, but only on bikes tah thave had the bolts changed and the air screw caps pulled out. If not you'd not be able to get the phillips heads loosened wihtout it sitting on a work bench.
Cool.
Buddha.
Title: Re: Just did carb jets and...SURPRISE!
Post by: xunedeinx on November 01, 2011, 08:22:17 AM
Its easy.

remove tank, drain float bowls

Unbolt the airbox, loosen the clamps from the ab to the carbs, and lift out.

Unbolt the clamps from the carbs to the engine, pull forward to release, tilt a lil, undo the gas line on the bottom, turn carb over.

Remove idle screw plug if you still have it, remove float bowl cover.

Jets are brass and round and slotted, youll see them. They have tiny numbers on them if you look closely.

Undo one jet at a time, unscrew, remove, place new in, screw back in. repeat 2x more.

Put float bowl back on, do the same with the next carb.

Reinstall  is reverse of removal
Title: Re: Just did carb jets and...SURPRISE!
Post by: xunedeinx on November 01, 2011, 08:23:33 AM
Quote from: The Buddha on November 01, 2011, 08:21:49 AM
Quote from: xunedeinx on November 01, 2011, 07:06:10 AM
Quote from: sveach on November 01, 2011, 06:58:20 AM
Quote from: ghostrider_23 on November 01, 2011, 06:39:19 AM
What year is your bike?

What do you mean you turned it over?

He pulled the carbs off the motor by loosening the rubber slip on covers, then rotated the carbs so they were upside down. This allows access to the bottom of the carbs, which is where the jets are. 4 bolts on each carb and the covers are off, and you have access. Remove old jets, put in new, bolt covers back on, flip it back over and put it back on the engine. That's what I do too.

Exactly. Seemed easier to do than fiddling with removing the throttle cables and wires and shaZam! if all I was doing was replacing 6 jets.

I do that way as well, but only on bikes tah thave had the bolts changed and the air screw caps pulled out. If not you'd not be able to get the phillips heads loosened wihtout it sitting on a work bench.
Cool.
Buddha.

Buddha, a bolt of mine DID get stuck (stock Philips screws)

What worked for me was clamping a pair of vice grips to the screw, and twisting, broke loose no problem.
Title: Re: Just did carb jets and...SURPRISE!
Post by: sveach on November 01, 2011, 12:07:11 PM
Quote from: The Buddha on November 01, 2011, 08:21:49 AM
Quote from: xunedeinx on November 01, 2011, 07:06:10 AM
Quote from: sveach on November 01, 2011, 06:58:20 AM
Quote from: ghostrider_23 on November 01, 2011, 06:39:19 AM
What year is your bike?

What do you mean you turned it over?

He pulled the carbs off the motor by loosening the rubber slip on covers, then rotated the carbs so they were upside down. This allows access to the bottom of the carbs, which is where the jets are. 4 bolts on each carb and the covers are off, and you have access. Remove old jets, put in new, bolt covers back on, flip it back over and put it back on the engine. That's what I do too.

Exactly. Seemed easier to do than fiddling with removing the throttle cables and wires and shaZam! if all I was doing was replacing 6 jets.

I do that way as well, but only on bikes tah thave had the bolts changed and the air screw caps pulled out. If not you'd not be able to get the phillips heads loosened wihtout it sitting on a work bench.
Cool.
Buddha.

You're mostly right. When I did mine the first time I did them just like this. But, I DID royally screw up my screws and finally just slotted them out with a dremel and used a LARGE screwdriver to remove them. I believe I used a set of extracting bits on one or two of them too. Either way, they are a huge pain in the ass the first time you remove them.

I now have nice allen head bolts on mine. Far better than the JIS screws!
Title: Re: Just did carb jets and...SURPRISE!
Post by: xunedeinx on November 02, 2011, 10:42:38 PM
Quote from: sveach on November 01, 2011, 12:07:11 PM
ghostrider_23

« Sent to: xunedeinx on: Today at 06:48:29 PM
did you put a washer under the needle or no?

live in SOuth Florida so I don't know if sea level makes a difference or not. I have a stock air cleaner but plan on putting a after market exhaust

No, Didnt touch any needles. How would I do this, and would it help?

Im on the stock airbox now, will have the K&N Soon.