Bike Trouble..... - Chicagoland Sportbikes
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post #1 of 18 (permalink) Old 04-17-2006, 09:44 PM Thread Starter
 
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Bike Trouble.....

Maybe a stupid question but everytime I start up my bike I'll hold the throttle at 2 rpms and it seems to be misfiring, but once it's been on for a while it's fine. Should I get it checked? Is this normal?
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post #2 of 18 (permalink) Old 04-17-2006, 10:20 PM
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I have heard that GS500s have a little bit of a temper when cold. If you haven't had your bike jetted yet this may help a lot. My friends Bandit 600 ran pretty rough when first started up, we jetted the bike a little richer and it warms up and idles fast and smooth.

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post #3 of 18 (permalink) Old 04-17-2006, 10:26 PM
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2 rpms?!?!?!??! damn that thing has a LOW idle

seriously though.... how many miles on it?

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post #4 of 18 (permalink) Old 04-17-2006, 10:36 PM Thread Starter
 
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Quote:
Originally Posted by MoparBoyy
2 rpms?!?!?!??! damn that thing has a LOW idle

seriously though.... how many miles on it?
It has <2000 miles
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post #5 of 18 (permalink) Old 04-17-2006, 10:46 PM
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Quote:
Originally Posted by kitty15
It has <2000 miles
humm... well i guess the plugs arn't worn out i guess i would go with what Dr.D said..

you could fix it if you had a scope (that will never get old)

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post #6 of 18 (permalink) Old 04-17-2006, 10:47 PM
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GS500s, while bulletproof, are still carburated and notoriously cold blooded. A properly installed jet kit would seriously help that out. It's not too expensive, and I'm sure there's a couple dozen people here that can install it.

I'd be more concerned about misfires once it's up and running. Misfires while warming up aren't too bad. My old Maxim 750 would take 10 minutes of idling just to be able to not die when you clicked it into gear.

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post #7 of 18 (permalink) Old 04-17-2006, 10:52 PM
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Quote:
Originally Posted by MoparBoyy
you could fix it if you had a scope (that will never get old)
I just need a tin cup and a rubber band, I don't need any scope.

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post #8 of 18 (permalink) Old 04-18-2006, 12:12 AM
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its cold weather hun...its gonna run like crap until decently warmed up...every 1 is right...needs to be jetted...otherwise wait until 70+ weather and then it should start and idle just fine...alsom when u stored it...did u put sta-bil in the tank or run the bike out of gas?...cause carbs could be gummed up also....

...plus my gf was with me saying "omg slow down, slow down" and I was thinking "Lose annoying squalk box in passenger seat, afford more mods and have less weight in the car and on the back of the bike"...so i dumped her and I'm single again as usual...HERE KITTY KITTY!!!
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post #9 of 18 (permalink) Old 04-18-2006, 09:16 AM
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How old is the GS? the 91 in the garage started right up, has sat there since last October, has 7400 miles on it. Not jetted....but the carbs are clean

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post #10 of 18 (permalink) Old 04-18-2006, 09:26 AM Thread Starter
 
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It's a 2004 and yes i did put sta-bil in it.
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post #11 of 18 (permalink) Old 04-18-2006, 09:46 AM
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anyone got racing fuel floating around that they can give her about 2 or 3 gallons worth so she can clean those carbs out???

when u stored it hun...did you run the gas completely out of the carbs?...do you have a petcock where you can manually shut off the fuel, and did u turn it off if you do?

...plus my gf was with me saying "omg slow down, slow down" and I was thinking "Lose annoying squalk box in passenger seat, afford more mods and have less weight in the car and on the back of the bike"...so i dumped her and I'm single again as usual...HERE KITTY KITTY!!!
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post #12 of 18 (permalink) Old 04-18-2006, 09:49 AM
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From what you explained it sounds like its briefly running on one cylinder until it gets a little warmed up.

Old gas and sitting for a while will cause the low speed jets to clog. That's why people put stabilizer in the gas before winter storage. This helps the gas not to turn into crap. Gas starts to turn into crap after about 2 months of sitting without stabil.

Carbs probably need to come off, and a little wire needs to be poked through the low speed jets.

Spraying carb cleaner or running expensive gas 9 times out of 10 will not unclog the lowspeed jets

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post #13 of 18 (permalink) Old 04-18-2006, 11:43 AM Thread Starter
 
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Quote:
Originally Posted by Thunderstruck
anyone got racing fuel floating around that they can give her about 2 or 3 gallons worth so she can clean those carbs out???

when u stored it hun...did you run the gas completely out of the carbs?...do you have a petcock where you can manually shut off the fuel, and did u turn it off if you do?
Well I'm running the gas out now. I'm waiting for it to run down.
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post #14 of 18 (permalink) Old 04-18-2006, 04:02 PM
 
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Quote:
Originally Posted by Grasshopper
From what you explained it sounds like its briefly running on one cylinder until it gets a little warmed up.

Old gas and sitting for a while will cause the low speed jets to clog. That's why people put stabilizer in the gas before winter storage. This helps the gas not to turn into crap. Gas starts to turn into crap after about 2 months of sitting without stabil.

Carbs probably need to come off, and a little wire needs to be poked through the low speed jets.

Spraying carb cleaner or running expensive gas 9 times out of 10 will not unclog the lowspeed jets
right, believe it or not, running premix really cleans things out, it was a tip i got a while back from Godfather, i did it on a 82 nighthawk i had a hard time with, idled the stuff and it really cleared out, like magic.
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post #15 of 18 (permalink) Old 04-18-2006, 04:15 PM
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Quote:
Originally Posted by Thunderstruck
anyone got racing fuel floating around that they can give her about 2 or 3 gallons worth so she can clean those carbs out???

when u stored it hun...did you run the gas completely out of the carbs?...do you have a petcock where you can manually shut off the fuel, and did u turn it off if you do?
Don't have any racing fuel "floating" around, but I beatcha a speedway gas station would!!!!

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post #16 of 18 (permalink) Old 04-18-2006, 04:20 PM
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If you want the job done correctly the carbs need to come off and be cleaned out.

If you want to be half assed about it, spray some carb cleaner in the intake. Running racing fuel or premix through the carbs is not going to unclog them. Spraying carb cleaner is most likely not going to unclog them.

The passage way through a pilot or low speed jet is almost microscopic, that is why they clog up so easy.

Old gasoline turns to gunk and clogs them up.

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post #17 of 18 (permalink) Old 04-18-2006, 07:21 PM
 
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Quote:
Originally Posted by Grasshopper
If you want the job done correctly the carbs need to come off and be cleaned out.

If you want to be half assed about it, spray some carb cleaner in the intake. Running racing fuel or premix through the carbs is not going to unclog them. Spraying carb cleaner is most likely not going to unclog them.

The passage way through a pilot or low speed jet is almost microscopic, that is why they clog up so easy.

Old gasoline turns to gunk and clogs them up.
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post #18 of 18 (permalink) Old 04-18-2006, 11:45 PM
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hmmm Sta-bil??..... We just dropped in fuel injector cleaner and topped the tank off completely (to get rid of as much air as possible). And she was on a battery tender throughout winter.

We just started it up last weekend for the first time and it fired right up

Track bike, here we come!

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