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So I just finished my semi-annual carb rebuilding on my 79 SF and set the float height to exactly 26mm....from the surface of the gasket (not the gasket surface on the body of the carb). I know, I know, but I was about through a case of beer at that point and my manual has so much grease on it that I can barely read that section anyway. Gurus: Is it really worth tearing them off to fix this? Will the extra 1mm of compressed gasket height be that catastrophic? Chime in, please.
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Heights
I check my heights manually and individually for each carb on my SF. I still have brass floats. My bowls didn't come down to the right level until I was at 26.4mm on two of them. The others are at 25.9mm. Your probably fine, ride like you stole it and see what happens. If the plugs look lean then you'll know for sure.mack
79 XS 1100 SF Special
HERMES
original owner
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81 XS 1100 LH MNS
SPICA
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78 XS 11E
IOTA
https://youtu.be/wB5Jfbp6SUc
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Have recovery trailer and shop if you breakdown in my area.
Frankford, Ont, Canada
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Well I think the gasket is thicker than 1mm, so I think you will find you are going to be too lean across the board. Won't hurt to ride it and see how she performs, just keep an eye on the plugs.Nathan
KD9ARL
μολὼν λαβέ
1978 XS1100E
K&N Filter
#45 pilot Jet, #137.5 Main Jet
OEM Exhaust
ATK Fork Brace
LED Dash lights
Ammeter, Oil Pressure, Oil Temp, and Volt Meters
Green Monster Coils
SS Brake Lines
Vision 550 Auto Tensioner
In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.
Theodore RooseveltComment
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+1 on what Nate said. Every bike and bank-o-carbs is different. The 1mm or so on the lean side might be just fine for your bike in your gorgraphical area. Give it a try first.Mike Giroir
79 XS-1100 Special
Once you un-can a can of worms, the only way to re-can them is with a bigger can.Comment
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That may be a concern. I have a properly drilled airbox and green Dyna Coils in it, though I did raise the needle jet by 1 notch.Comment
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I would say leave the needle in the stock position.Originally posted by PalmSpringsXS View PostNathan
KD9ARL
μολὼν λαβέ
1978 XS1100E
K&N Filter
#45 pilot Jet, #137.5 Main Jet
OEM Exhaust
ATK Fork Brace
LED Dash lights
Ammeter, Oil Pressure, Oil Temp, and Volt Meters
Green Monster Coils
SS Brake Lines
Vision 550 Auto Tensioner
In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.
Theodore RooseveltComment
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Doin a good job Nate......carry on......Originally posted by natemoen View Post81H 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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What! Your not busting my chops! Are you feeling ill?Originally posted by motoman View Post
Nathan
KD9ARL
μολὼν λαβέ
1978 XS1100E
K&N Filter
#45 pilot Jet, #137.5 Main Jet
OEM Exhaust
ATK Fork Brace
LED Dash lights
Ammeter, Oil Pressure, Oil Temp, and Volt Meters
Green Monster Coils
SS Brake Lines
Vision 550 Auto Tensioner
In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.
Theodore RooseveltComment
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Alright, I pulled the plugs after 40 miles and found them to be running lean so I pulled the carbs and am resetting everything (and not drinking this time). It's a lot less enjoyable but far easier. Btw, this was the first time I dumped all the components in an ultrasonic. Amazing results. Just as added info, I am a hotrod guy and approach the bike as such. It often works (like mirror polishing the cam area for faster oil return) and sometimes doesn't (like trying this instance, for example). I will let you all know once I colortune and resync it at various rpms.Comment
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