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Motorcycle Forum / General / Yamaha / October 2007Another question.....cleaning the carb
Is cleaning the carb a couple day project or am i talking weeks.....if so what tools will i need? >Is cleaning the carb a couple day project or am i talking weeks.....if >so what tools will i need? some small metric wrenches, screwdriver, cleaner, air and patience. days....weeks? mechanics would starve. even not knowing what you're doing shouldn't take more than 90 minutes per carb. syncing multis add 1 hour. On Oct 2, 11:10 pm, some...@some.domain wrote: > In article <1191383179.415126.21...@w3g2000hsg.googlegroups.com>, fakeDUTCH <fakedu...@hotmail.com> wrote:>Is cleaning the carb a couple day project or am i talking weeks.....if > >so what tools will i need? > > some small metric wrenches, screwdriver, cleaner, air and patience. > days....weeks? mechanics would starve. even not knowing what you're doing > shouldn't take more than 90 minutes per carb. syncing multis add 1 hour. so im probably going to need to buy new gaskets while im at it then...? >so im probably going to need to buy new gaskets while im at it then...? Probably not. Carburetor kits are something that you put into a car carburetor when the car has 150,000 miles on it. I've never needed a gasket on a motorcycle carburetor. >>so im probably going to need to buy new gaskets while im at it then...? > >Probably not. Carburetor kits are something that you put into a car >carburetor >when the car has 150,000 miles on it. I've never needed a gasket on a >motorcycle carburetor. disagree. if you tear it down, make it new again. reusing old parts often causes failures. ymmv >disagree. if you tear it down, make it new again. reusing old parts often >causes failures. This is a low mileage Yamaha R6, not a 1972 Torino with 250K miles on it. The carbs will not be worn out. Why spend $100 on unnecessary carb rebuild kits? I have never needed a float bowl gasket in 40 years of cleaning carburetors. The worst thing that happens to semi-downdraft carburetors is that the needle wears the hole in the jet holder oval. But you actually have to inspect the disassembled carb to see if that has happened or not. And, a worn out jet holder won't cause the engine to make strange clacking noises after the owner overfills the crankcase with too much oil, it will just make the engine run too rich at small throttle openings. >On Oct 2, 11:10 pm, some...@some.domain wrote: >> In article <1191383179.415126.21...@w3g2000hsg.googlegroups.com>, fakeDUTCH [quoted text clipped - 7 lines] > >so im probably going to need to buy new gaskets while im at it then...? get the rebuild kits and you will be happier. see if a mech buddy will help in xchange for beer. then just do it. >get the rebuild kits and you will be happier. Buying the rebuild kits will make the parts guys even happier. > see if a mech buddy will help in xchange for beer. then just do it. Don't give your buddy any beer until the job is done. Never drink and work on your bike, you might want to test ride it and get into legal problems. On Oct 3, 11:06 am, "Albrecht via MotorcycleKB.com" <u33665@uwe> wrote: > some...@some.domain wrote: > >get the rebuild kits and you will be happier. [quoted text clipped - 9 lines] > -- > Message posted viahttp://www.motorcyclekb.com and a rebuild kit would run me how much dough$$? >and a rebuild kit would run me how much dough$$? You would be wasting at least $125 on unnecessary rebuild kits and then you still might find that you have a torn diaphragm that costs $100 and diaphragms aren't in the rebuild kits. Bottom line is, don't buy parts unless you're sure that you need them. >>and a rebuild kit would run me how much dough$$? > [quoted text clipped - 3 lines] > >Bottom line is, don't buy parts unless you're sure that you need them. where do you shop? i have a nice bridge.... On Oct 3, 5:48 pm, some...@some.domain wrote: > >>and a rebuild kit would run me how much dough$$? > [quoted text clipped - 5 lines] > > where do you shop? i have a nice bridge... lol well not being a motorcycle mechanic of any sort, would you still recomend i do it on my own? Plus if any thing were bad im not sure i would even notice it. >On Oct 3, 5:48 pm, some...@some.domain wrote: >> In article <79288b836cb35@uwe>, "Albrecht via MotorcycleKB.com" <u33665@uwe> [quoted text clipped - 13 lines] >recomend i do it on my own? >Plus if any thing were bad im not sure i would even notice it. yes! get the haynes manual and the shop guide and do it. i had to teach myself points and timing in the early 60's because i was a poor teen struggling to buy parts. it was learn or walk so i learned. ask here if you get stuck. also check the yahoo or google yamaha groups. as the ad went, just do it. > On Oct 3, 5:48 pm, some...@some.domain wrote: >> [quoted text clipped - 8 lines] > recomend i do it on my own? > Plus if any thing were bad im not sure i would even notice it. Read through this and see if you fell like tackling it... http://www.thegsresources.com/gs_carbrebuild.htm It's based of a Suzuki GS, and use Mikuni BS34's (same type as my XS400) Very similar to the Hitachi's that Yamaha used (and there an guides out there for them too)... Actually the GS resources page went above and beyond what you usually need to do. Usually there is no need to separate the bank... just open and clean one carb at a time and reassemble, then move on to the next. A bit scary the first time, after that you won't think twice about it. >> On Oct 3, 5:48 pm, some...@some.domain wrote: >>> In article <79288b836cb35@uwe>, "Albrecht via MotorcycleKB.com" <u33665@uwe> [quoted text clipped - 21 lines] >move on to the next. A bit scary the first time, after that you won't >think twice about it. and it will open a whole new world for you. imagine not being stamped "chump" when you need bike repairs. and it will show you that it isn't arcane ritual but just a method for doing it right. lol well im going to purchase a manual....lol first things first, another question... is there a simple way to to check the carb to see if it is flooded, and how to fix a flooded carb.....time? do i just wait out a flooded carb? >lol well im going to purchase a manual....lol first things first, >another question... is there a simple way to to check the carb to see >if it is flooded, and how to fix a flooded carb.....time? do i just >wait out a flooded carb? why is it flooded? find that and correct it. usually a stuck float. get that manual! > Read through this and see if you fell like tackling it... > http://www.thegsresources.com/gs_carbrebuild.htm Excellent. I used wget to grab the whole site to hard drive. > It's based of a Suzuki GS, and use Mikuni BS34's (same type as my XS400) Geez, I have an XS400RK myself with the same BS34's. You know I really like this bike which is almost perfectly restored now (got about $1400 in it, new tires, brakes, fork seals, recovered seat, etc). I get nearly 50MPG on the highway. I want a newer 600 but this is so reliable, easy to handle, and work on it's making it tough to fully commit to another bike.  SignatureLinux Help: http://rsgibson.com/linux.htm Email - rsgibson@verizon.borg Replace borg with net > >> Read through this and see if you fell like tackling it... [quoted text clipped - 12 lines] > reliable, easy to handle, and work on it's making it tough to fully > commit to another bike. Sweet, Mines a 400K (Maxim, sister to your Seca) Redid the carbs as it sat for 7 years with gas in. Fork seals, oil filter bolt, fuse box (replace if you haven't yet) and a few others.. todo, seat recover, new tires and SS brake lines Rebuild info and pics here http://zagnet.dyndns.org:8080/Maxim/ Rode a scooter for a year, picked this up and started the rebuild.... I don't feel the need for anything bigger, enough power,not too heavy, good mileage (getting between 50 and 60 mpg, should have a better guess after the next time I hit res) Too bad it's such a bigger is better marketing scheme now..... I think 400's are a great size, >> >>> Read through this and see if you fell like tackling it... [quoted text clipped - 26 lines] >after the next time I hit res) Too bad it's such a bigger is better >marketing scheme now..... I think 400's are a great size, if you like thumpers, a good used sr500 can be had for around $700. a simple exhaust pipe change will get you 5hp and a bike that cruises reliably at 75 up and down hills or can blast around the twisties off the interstates. they are a sheer joy to ride and get 40-50mpg, depending on how you goose it. i have 3 and buy every under $1000 one i can find. i often find really decnt bikes for under $500 from some kid that doesn't understand singles and can't even start it. my last one was a 78, dead stock looking colored red with 5600 miles on it. the previous owner checked the oil cold and added 2 quarts. he basically drowned the bike and said it wouldn't run. he was overjoyed when i offered a duece and hauled it away. i drained the oil, changer the filter, went over it and tightened the nuts and bolts because the vibrate a bit, and it started 1st kick. then died and i had to clean the carb. sometimes you get lucky. a short ride revelaed the bike had the big pipe, a 545cc piston and was jetted right. next! > if you like thumpers, a good used sr500 can be had for around $700. > a simple exhaust pipe change will get you 5hp and a bike that cruises reliably [quoted text clipped - 12 lines] > right. > next! Nice, Had to check it out on Bike Pics..... I like it.... I have a soft spot for the old UJM look :) I'll add that to my keep an eye out list :) >> if you like thumpers, a good used sr500 can be had for around $700. >> a simple exhaust pipe change will get you 5hp and a bike that cruises [quoted text clipped - 24 lines] > >I'll add that to my keep an eye out list :) where do you live? i have thumper friends all over. also, http://thumperpage.com/ check the for sale pages. i have a custom for sale, but it's very special and not cheap. look in the photo section, june 95 for the black sr by edward. >>> if you like thumpers, a good used sr500 can be had for around $700. >>> a simple exhaust pipe change will get you 5hp and a bike that cruises [quoted text clipped - 38 lines] >i have a custom for sale, but it's very special and not cheap. >look in the photo section, june 95 for the black sr by edward. ignore the june 95 it's here, look on right side about half way down. http://www.thumperpage.com/mcpics_jun2002.html >>>> if you like thumpers, a good used sr500 can be had for around $700. >>>> a simple exhaust pipe change will get you 5hp and a bike that cruises [quoted text clipped - 36 lines] > > http://www.thumperpage.com/mcpics_jun2002.html Nice..... Definitely be keeping my eyes open for something like that... That Junak M10 on the page is freakin' beautiful...... >> In article <BQdPi.78046$Lx1.39198@fe05.news.easynews.com>, >>> In article <7v9Pi.4538$G25.4214@edtnps89>, [quoted text clipped - 49 lines] > >That Junak M10 on the page is freakin' beautiful...... mines for sale..... those junaks are VERY reare, darn it. >> Had to check it out on Bike Pics..... >> I like it.... I have a soft spot for the old UJM look :) [quoted text clipped - 7 lines] > i have a custom for sale, but it's very special and not cheap. > look in the photo section, june 95 for the black sr by edward. I'm in Nova Scotia..... May be looking for a new project next year.... Got the Maxim running good, a few mods over winter and she's done... >>> Had to check it out on Bike Pics..... >>> I like it.... I have a soft spot for the old UJM look :) [quoted text clipped - 11 lines] >May be looking for a new project next year.... >Got the Maxim running good, a few mods over winter and she's done... did you like my custom? spent a year on it. >>>> Had to check it out on Bike Pics..... >>>> I like it.... I have a soft spot for the old UJM look :) [quoted text clipped - 12 lines] >> > did you like my custom? spent a year on it. It looks pretty sweet, you can tell you spent time on her. >On Oct 3, 11:06 am, "Albrecht via MotorcycleKB.com" <u33665@uwe> >wrote: [quoted text clipped - 13 lines] > >and a rebuild kit would run me how much dough$$? cheeeep. just buy the f.cker. >>get the rebuild kits and you will be happier. > [quoted text clipped - 5 lines] >your bike, you >might want to test ride it and get into legal problems. geez granny, we know how to be careful! >Is cleaning the carb a couple day project or am i talking weeks.....if >so what tools will i need? Three or four hours is more like it. The individual carbs don't have to be separated from each other. You'll probably need a slot screwdriver to shut off the fuel petcock if it's like the petcock on my FZR. The pliers in your tool kit will work to unclamp fuel hoses and vent hoses. You'll probably need a #2 phillips screwdriver to unclamp the carbs and remove the float bowls and the diaphragm caps and an 8mm box end wrench to remove the main jet for cleaning. You'll need a 10mm open end wrench from your tool kit to disconnect the throttle cables. It's not really necessary to remove the pilot jets (idle jets) for cleaning because Yamaha doesn't use cross-drilled pilot jets. You can just squirt Berryman B12 or GumOut or STP carburetor cleaner through the pilot jets until it come out the pilot air jet in the mouth of the carb and the four idle mixture outlet ports in the throat of the carb. If you really want to get into thoroughly cleaning the carbs you'll have to carefully drill out the brass EPA anti-tamper plugs and remove the idle mixture screws. That process has been described so many times you can google for "EPA anti- tamper plugs" on rec.motorcycles.tech. If you talk to a lot of different mechanics, they will try to bullshit you about your carburetors needing to be "synchronized". That's a lot of crap, modern carburetors don't mysteriously get out of synchronization, but they do get dirty inside and they need to be cleaned out when the engine starts running rough and backfiring and stalling. >>Is cleaning the carb a couple day project or am i talking weeks.....if >>so what tools will i need? [quoted text clipped - 27 lines] >get dirty inside and they need to be cleaned out when the engine starts >running rough and backfiring and stalling. good lad, good synapsis. >> Is cleaning the carb a couple day project or am i talking weeks.....if >> so what tools will i need? [quoted text clipped - 27 lines] > get dirty inside and they need to be cleaned out when the engine starts > running rough and backfiring and stalling. And if you do want to sync, check around the net, you can build a homemade sync tool and do it yourself very cheaply....But for the most part a simple bench sync will put you in the ballpark. For the most part, as the boys said, not an overly long job, use patience and work carefully and you'll be fine. My carbs took longer than most (only a pair) but they had sat for 7 years with gas in the bowls (took about a week soak in cleaner to get the float needles free) |
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