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Well my son had a 81 XS 400 given to him. We went thru the carbs and all the required cleaning and adjusting. Bike runs pretty well. It still seems a little reluctant to fall to idle if under 4000 rpm. I did a sync with a single gage and a couple of shut offs so that may be the issue. My sticks had all of the mercury sucked out when I loaned out. Man I wish you could buy mercury at a reasonable price. Found it online last night for $79 for 250 grams. Hell I can buy a Morgan for just a little more. Anyway the question I have is can I change the seal behind the rotor or is that a case split? Found about a tablespoon of oil in that case while l was looking stuff over.
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wingnut
81 SH (Daily Ride)
81 650XJ (Brother in laws bike, Delivered)
81 650XJ Jane Doe (Son's Ride)
82 750XJ Project bike (Son in law's future ride)
81 XS 400
No man has a natural right to commit aggression on the equal rights of another; and this is all from which the laws ought to restrain him.”
A government big enough to give you everything you want, is strong enough to take everything you have.
Thomas Jefferson -
Just to touch on your early point of syncing the carbs, I use a homemade manometer and use tranny fluid, less likely to cause major problems if accidently sucked in, and a whole lot cheaper to replace.81 XS1100H -
Originally posted by wingnut View Post
Call or e-mail Motion Pro abd they will sell you a non mercury replacement fluid for you stick. $35 last time I heard. Personally, I collect old furnace thermostats and break the vials to get the mercury. CZComment
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And from what I've heard, it doesn't work all that well.....hangs up in the glass tubes. Bought one re-fill container of mercury from MP bout 5yrs.ago as mine splilled(with my help). Unobtanium now so trying to be a bit more careful............least I know where some may live, Thanks CZ.Originally posted by CaptonZap 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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On XS400's hanging idle is almost always lean idle mixture. All the carbon balancing in the world won't help if you don't richen the idle mixture up. When it's right it should drop down to correct idle almost instantly.Cy
1980 XS1100G (Brutus) w/81H Engine
Duplicolor Mirage Paint Job (Purple/Green)
Vetter Windjammer IV
Vetter hard bags & Trunk
OEM Luggage Rack
Jardine Spaghetti 4-2 exhaust system
Spade Fuse Box
Turn Signal Auto Cancel Mod
750 FD Mod
TC Spin on Oil Filter Adapter (temp removed)
XJ1100 Front Footpegs
XJ1100 Shocks
I was always taught to respect my elders, but it keeps getting harder to find one.Comment
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go a 1978 xs400-2E im Cafeing. cool little bikes_____________________________________________ 1979 XS 1100 Special "The judge" mods- K&N air pods, 4-1 mac, 147.5 pilots, 57.5 mains, LED turn signal, cafe bars, HEL translucent yellow stainless steel brake line, dyna coil (dc2-1), raptor 660 mc, r6 controls..(sold)
1982 gs1100e "all business" cafe project
1980 gs1000g "stock"
1982 honda express "stretched 10 inch(my daughters scooter)
2008 jmstar 150cc Chinese scooter ( wife's bike)Comment
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I did have to re tune and tighten up the intake system but the idle is now dropping like a rock. As for the sync I used a 4 inch inches of mercury gage I found in my piles of stuff that made the single gage method better. Also bought some bulk air cleaner foam from Dennis Kirk to replace the home made furnace filter material that was being used as the air cleaner elements. Its running well now. I agree its a fun little bike and great to learn on. I'm still waiting for a title before it can go into full time service. Once I get that I'll start with the cosmetics.wingnut
81 SH (Daily Ride)
81 650XJ (Brother in laws bike, Delivered)
81 650XJ Jane Doe (Son's Ride)
82 750XJ Project bike (Son in law's future ride)
81 XS 400
No man has a natural right to commit aggression on the equal rights of another; and this is all from which the laws ought to restrain him.”
A government big enough to give you everything you want, is strong enough to take everything you have.
Thomas JeffersonComment
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