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Been fighting the carbs on my "free" XJ550. I need the tiny mixture screw O-rings. Son-in-law seems to have figured they were not really needed when he did the carbs. If anyone has a part number or source, I would appreciate it.
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When a 10 isn't enough, get a 11. 80g Hardbagger -
If they are anything like the XS Mikuni pilot screw O-rings, the $5 nitrile O-ring kit from Harbor Freight should have them.2H7 (79) owned since '89
3H3 owned since '06
"If it ain't broke, modify it"
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I got one of those. I will check it out. Hopefully there will be some small enough.When a 10 isn't enough, get a 11. 80g HardbaggerComment
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Keoki there are...I have same kit and did exact same thing on the 550.
JohnJohn is in an anonymous city with an Alamo (N29.519227,W-98.678980)
Go ahead, click on the bikes - you know you want to...the electrons are ready.
'81 XS1100H - "Enterprise"
Bob Jones Custom Navy bike: Tkat brace, EBC floating rotors & SS lines, ROX pivot risers, Geezer rectifier, new 3H3 engine
"Not all treasure is silver and gold"Comment
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Harbor freight o-ring kit had right size o-rings. Now, where do I find the itty-bitty, 5mm flat washer? Orings no good with out them. Search for Mikuni parts hasn't come up with much.When a 10 isn't enough, get a 11. 80g HardbaggerComment
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81H Venturer1100 "The Bentley" (on steroids) 97 Yamaha YZ250(age reducer) 92 Honda ST1100 "Twisty"(touring rocket) Age is relative to the number of seconds counted 'airing' out an 85ft. table-top.Comment
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Hobby supply store may have somthing in those washers. Maybe electronics supply too.2H7 (79) owned since '89
3H3 owned since '06
"If it ain't broke, modify it"
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tiny washers
YZ 450 or WR 250 f model uses the same size78standard,79 & 80 Specials; 2 x 650 Maxims; 4 x RD350's; yz450; 2 x Honda tlr's;2x jt1 mini.Comment
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That's them! My next move was to see what other bike used the same parts but you beat me to it. THANKS! I actually found the itty-bitty SS washers at my "real" bolt shop. The OEM ones have a slight bevel to "cup" the o-ring but I don't think is going to be big problem using flat washer. Don't plan on twisting those screws around much.
When a 10 isn't enough, get a 11. 80g HardbaggerComment
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Welcome........the SuzyGS used the same BS34 II series as the 80-XJ YammiesThat's them! My next move was to see what other bike used the same parts but you beat me to it. THANKS! I actually found the itty-bitty SS washers at my "real" bolt shop. The OEM ones have a slight bevel to "cup" the o-ring but I don't think is going to be big problem using flat washer. Don't plan on twisting those screws around much.
. NA from Yammy, both were still available from Suzy some three yrs. back
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81H Venturer1100 "The Bentley" (on steroids) 97 Yamaha YZ250(age reducer) 92 Honda ST1100 "Twisty"(touring rocket) Age is relative to the number of seconds counted 'airing' out an 85ft. table-top.Comment
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The saga (and pain) continues. Got right washer and o rings. carefully cleaned and recleaned carbs before assembly. Float levels correct. Installed YCIS eliminator. Fired it up. Dialed in carbs within a couple inches of each other. Idled great, reved up great. Didnt ride it cause battery was toast. Got new battery. Fired it up. #1 pipe cold. Pull plug, have spark. Changed all plugs out to new NGK. Quick compression check showed 120#ish. When you hit about 5k, and full throttle, all cylinders come on board and it runs great. Crap in #1 carb still?When a 10 isn't enough, get a 11. 80g HardbaggerComment
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Solved
Pulled carbs. Removed #1 float bowl. Pilot jet fell out with it. Didn't tighten it when I did the carbs. Reassemble, fire her up. All four on station at idle. Suit up and take it out. Ran great, idled great. Life is good!!When a 10 isn't enough, get a 11. 80g HardbaggerComment
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