- This topic has 9 replies, 4 voices, and was last updated 14 years, 1 month ago by Jeff in Kentucky.
help from son became lil problem lol
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March 20, 2010 at 4:11 am #3770tatt-cattParticipant
i have a 98 suzuki gs500 was cleaning it after riding it the other day in my son was helping, but then i seen him unscrewing a screw on the bottom of the carb. in i dont know what way he was turning it or nothing, but since then it wont start? any help, i dont know much bout it just a beginner rider
March 20, 2010 at 6:56 am #25019RabParticipantIf you don’t get any joy here, I suggest you try here:
March 20, 2010 at 12:42 pm #25021TrialsRiderParticipantThere are very few screws on the bottom of the carb, that can be turned without a screwdriver, most obvious being the idle adjuster screw. Couple of questions first, was he playing bare handed or with a screwdriver. Second, is there 1 or 2 screws that look the same as the one he was adjusting ?
I once parked my suzuki 185 too close to a mecaca monkey cage ( it’s a long story ) when I went to ride it to school the next morning, I discovered that Judy had totally dismantled everything in reach. I was twenty minutes late for school putting the thing back together and strange enough, the teacher doubted my excuse !March 20, 2010 at 10:42 pm #25031tatt-cattParticipantbut yeah from what i was told it was the idle adjuster screw.. He used just hes hands, it is easy to turn i just dont know what way he turned it or how many times he did.
March 21, 2010 at 12:43 am #25035TrialsRiderParticipantYou should be able to back off the idle adjuster screw almost completely, then as you tighten it back up watch for slight movement in the actuator linkage. The linkage is what the throttle cable is attached to and it jointly operates the 2 carbs together. You should be able to see it moving as you loosen the screw off. It’s likely way too tight right now otherwise it would start with the choke on and just not idle.
The ‘choke’ on a CV type carb is actually a fuel enrichener ( it adds fuel rather than closing off the air intake )March 21, 2010 at 4:40 pm #25040tatt-cattParticipantthanks for the info TrialsRider. i started messing with it this smorning flooded it a couple of times. But it seemed to work. thanks, i also think i might need a battery. it really dont want to keep a charge?its a good year old, what you think? its a cold blooded bike so every time i was trying to start it, the battery seems to die down by like the 4th 5th time of me trying to crank it over. then i gotta let the battery charge back up alittle,the whole time i got a heater in the shed trying to warm the bike up alittle.
March 21, 2010 at 5:45 pm #25041Jeff in KentuckyParticipantYou at least need to charge the battery for awhile- a good battery will turn the engine over at least 10 seconds without the starter slowing down. I would also check the tightness of the battery terminals, and the spark plugs and the air filter to see if they are dirty. I have found the NGK (or Denso brand) iridium spark plugs make my bike start much faster than the stock steel plugs, especially at 40 degrees F.
March 21, 2010 at 10:25 pm #25042TrialsRiderParticipantI like to get the most out of the old battery, unless it’s still under warranty. On the other hand I don’t like being stranded, especially since my street bike totally needs the battery to start. There’s two ways to test a battery, hydrometer test and volt meter test with the latter being the simplest.
Make sure the fluids are up, If your charger has a built in meter you’ve got it made, charge it up fully at the lowest charging rate (at least 2 days charging) note the voltage and let it sit for a full day. If the voltage drops while it’s not in use, replace it.
It’s unfortunate the head light comes on before the engine is running, stupid safety device concept considering that without the engine you’re parked, they really should have the parking lights come on until it’s running. IMHOMarch 23, 2010 at 10:09 pm #25115tatt-cattParticipantwell hey thanks for the advice you guys..
March 24, 2010 at 12:07 am #25117Jeff in KentuckyParticipantIf the idle adjuster screw is messed up, try starting the bike with the choke full on if it has one, and the throttle set at half or full. After you get it running, then adjust the idle.
Another tip- even if the spark plugs look perfect, a bike that will not start can have hidden spark plug problems- add new spark plugs, then keep the old ones as spares if they turn out to be still good.
Also, many cheap bikes come with cheap spark plug wires- the aftermarket NGK race wires (red in color) are considered the best by some, and are what I am using after I trashed the original wires.
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