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  #211  
Old 09-04-2015, 06:23 PM
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79XS11F 79XS11F is offline
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Quote:
Originally Posted by jetmechmarty View Post
I think you're looking for a miracle you aren't likely to get, at least not "ONCE AND FOR ALL".
OK, how about ONCE AND FOR THIS FALL LOL LOL

Rob
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1978 XS1100E Modified
1978 XS500E
1979 XS1100F Restored
1980 XS1100 SG
1981 Suzuki GS1100
1983 Suzuki GS750S Katana
1983 Honda CB900 Custom
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  #212  
Old 09-04-2015, 06:46 PM
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79XS11F 79XS11F is offline
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I hit the shafts from inside the mouths with 3 and 1 oil. It's pretty light. Suitable for sewing machines and it seems to have done the job.
I will be very pleased if this proves to be the root of the problem I have been having.
Rob
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KEEP THE RUBBER SIDE DOWN

1978 XS1100E Modified
1978 XS500E
1979 XS1100F Restored
1980 XS1100 SG
1981 Suzuki GS1100
1983 Suzuki GS750S Katana
1983 Honda CB900 Custom
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  #213  
Old 09-04-2015, 06:58 PM
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dbeardslee dbeardslee is offline
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While you've got 'em off you might check the slides while you're at it. Stick a finger back in the bell and lift up on the slides to make sure they're all moving freely, and that they all return at about the same speed. I've found them sticky before, even after they were cleaned, and very light oil on them sometimes helps. If I'm going to use oil on the slides I usually do it with the slides out, and just wipe a light coat along the bottom half of the slides, and I make sure the bores are clean. I'm sure they don't have anything to do with the butterflies being sticky, but hey, might as well check 'em while they're right there in front of you.
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I think I have a loose screw behind the handlebars.

'79 XS11 Standard, Jardine 4/1, Dyna DC1-1 Coils, 145 mains, 45 pilots, plastic floats - 25.7mm, XV920 fuel valves, inline fuel filters, speed bleeders, Mikes XS pods, spade-type fuse block, fork brace, progressive fork springs/shocks, manual petcocks, 750 FD, Venture cam chain tensioner, SS brake lines
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  #214  
Old 09-04-2015, 07:05 PM
mack mack is offline
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Cursed

It's almost like your cursed Rob. I opened those butterflyies and they snapped closed everyting time, at least 15 times during and after the bench sync I tried them. Back the butterfly screws out just a bit on the stuck carb and work the action again. If that works, then shift the shaft just a tad left or right and re-tighten. Oil won't accomplish anything.
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79 XS 1100 SF Special
HERMES
original owner
http://i946.photobucket.com/albums/a...ps6932d5df.jpg

81 XS 1100 LH MNS
SPICA
http://i946.photobucket.com/albums/ad305/mack-055/2.jpg

78 XS 11E
IOTA
https://youtu.be/wB5Jfbp6SUc
https://youtu.be/RaI3WYHSuWA



Have recovery trailer and shop if you breakdown in my area.
Frankford, Ont, Canada
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  #215  
Old 09-04-2015, 07:09 PM
motoman motoman is offline
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Quote:
Originally Posted by 79XS11F View Post
Okay, so I have the 3 ohm accel coils in place with all wiring connections good and tight including the plug leads at the coils and the plugs. Ballast resister is bypassed. The miss is still there but not as frequent. She is running smoother now. Mack will be by tomorrow with my cleaned and set up carbs and I hope that once they are on the bike the miss will be gone. I'm wondering if I should go grab another fresh set of plugs for her. CTC is right beside the liquor store
Rob
Just gonna have to jump in here for a minute.If you have not already, turn key on and THEN check batt. voltage. Then with coiks unplugged, key still on check IBPUT voltage to coils. Example: If batt. is showing 12.3v, then that HAS to be the same voltage at primary coil leads. If it is not the same lower voltage isue is either at kill switch, primary coil plug-ins on right sie of frame at top frame rail or both. Low er voltage to coils cause the miss your having. Take your trusty volt meter and check those two points FIRST before getting sidetracked somewhere else.
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  #216  
Old 09-05-2015, 04:53 AM
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Quote:
Originally Posted by mack View Post
It's almost like your cursed Rob. I opened those butterflyies and they snapped closed everyting time, at least 15 times during and after the bench sync I tried them. Back the butterfly screws out just a bit on the stuck carb and work the action again. If that works, then shift the shaft just a tad left or right and re-tighten. Oil won't accomplish anything.
I was going to do that but those screws are extremely tight and there's no reason to believe that the shaft position has changed. If the sticking is related to dryness between the shaft and the carb body lubrication should be helpful.
Rob
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KEEP THE RUBBER SIDE DOWN

1978 XS1100E Modified
1978 XS500E
1979 XS1100F Restored
1980 XS1100 SG
1981 Suzuki GS1100
1983 Suzuki GS750S Katana
1983 Honda CB900 Custom
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  #217  
Old 09-05-2015, 06:01 AM
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79XS11F 79XS11F is offline
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It looks like the action on the butterfly valve in this #2 carb is what I would call heavy compared to the other 3 carbs. With the other 3 the butterfly valves snap closed and the action is very light. On this #2 carb the butterfly valve closes under the return springs pressure but when moved by hand the action is noticeably heaver.
I guess I will have to disassemble it and see what's going on. Maybe the carb body's shaft bore is pitted or perhaps it's just very dry. I hope I can get those freaking tiny screws out or at least loosened. There's a slim chance that the butterfly itself just needs to reseat itself in the throat of the carb.
Rob
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KEEP THE RUBBER SIDE DOWN

1978 XS1100E Modified
1978 XS500E
1979 XS1100F Restored
1980 XS1100 SG
1981 Suzuki GS1100
1983 Suzuki GS750S Katana
1983 Honda CB900 Custom
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  #218  
Old 09-05-2015, 06:07 AM
mack mack is offline
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Rob

The oil thing might work, thinking about it, three 50 minute cycles in the ultrasonic cleaner probably dried it's action out pretty good. When you spray, try to get it inside where the shaft enters the carb body on both left and right. May want to stand them up one way spray and leave it for awile then the other side.
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79 XS 1100 SF Special
HERMES
original owner
http://i946.photobucket.com/albums/a...ps6932d5df.jpg

81 XS 1100 LH MNS
SPICA
http://i946.photobucket.com/albums/ad305/mack-055/2.jpg

78 XS 11E
IOTA
https://youtu.be/wB5Jfbp6SUc
https://youtu.be/RaI3WYHSuWA



Have recovery trailer and shop if you breakdown in my area.
Frankford, Ont, Canada
613-398-6186
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  #219  
Old 09-05-2015, 06:19 AM
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79XS11F 79XS11F is offline
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Quote:
Originally Posted by mack View Post
The oil thing might work, thinking about it, three 50 minute cycles in the ultrasonic cleaner probably dried it's action out pretty good. When you spray, try to get it inside where the shaft enters the carb body on both left and right. May want to stand them up one way spray and leave it for awile then the other side.
That's what I did but the action is still heavy but should be very light. After oiling the shaft the butterfly fully closes so it must have been sticky when the bench snyc was done. If this carb butterfly has been doing this it could in fact be what is causing my "ghost in the machine" issue. If that butterfly has been behaving like this all along and doing so intermittently it would be near impossible to truly tune the engine and find another potential problem at the same time.
Rob
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KEEP THE RUBBER SIDE DOWN

1978 XS1100E Modified
1978 XS500E
1979 XS1100F Restored
1980 XS1100 SG
1981 Suzuki GS1100
1983 Suzuki GS750S Katana
1983 Honda CB900 Custom
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  #220  
Old 09-05-2015, 06:36 AM
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jetmechmarty jetmechmarty is offline
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Those screws are JIS. Be extra careful if you're using a phillips.
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  #221  
Old 09-05-2015, 07:04 AM
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Quote:
Originally Posted by jetmechmarty View Post
Those screws are JIS. Be extra careful if you're using a phillips.
what does JIS mean???
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  #222  
Old 09-05-2015, 07:06 AM
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79XS11F 79XS11F is offline
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Quote:
Originally Posted by jetmechmarty View Post
Those screws are JIS. Be extra careful if you're using a phillips.
Yeah I know they are different. I will ether have to go out and buy a JIS driver or find my best fit Philips and grind the tip down a bit. They are always shallower then true Philips and I really don't want to damage them.
For those who don't know, when you see a Philips screw and there is a single dot or sometimes an X on the head of the screw, it indicates that the screw is JIS which I think stands for Japanese Industry Standard. It's slightly different then a Philips.
Rob
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KEEP THE RUBBER SIDE DOWN

1978 XS1100E Modified
1978 XS500E
1979 XS1100F Restored
1980 XS1100 SG
1981 Suzuki GS1100
1983 Suzuki GS750S Katana
1983 Honda CB900 Custom
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  #223  
Old 09-05-2015, 07:34 AM
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madmax-im madmax-im is offline
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Cool...I never knew this....
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1993 Honda ST1100
Don't speak unless you can improve upon the silence....
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  #224  
Old 09-05-2015, 07:55 AM
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IanDMacDonald IanDMacDonald is offline
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Mmhmm. I try to replace just about every fastener with a SHCS on every bike I own.
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1979 XS1100F
2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.
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  #225  
Old 09-05-2015, 07:56 PM
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TopCatGr58 TopCatGr58 is offline
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Hey Rob,

It's not just that they are JIS, but also...I'm sure you know this, moreso stating for other newbies that may read this thread....the ends of the screws are PEENED to keep them from working loose and getting sucked into the engine. SO.....you'll need to use your dremmel to remove the peened portion of the screws before trying to loosent them....should allow you to loosen them easier and even with STANDARD philips driver. You'll just want to use some RED locktite when you put them back in.....or get some new ones so you can PEEN them again!?

T.C.
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