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Old 06-25-2010, 01:01 PM
cardboardguitar cardboardguitar is offline
Join Date: Nov 2009
Posts: 11
If I touch the throttle it dies

Hey guys, thanx so much for the help/advice with getting my frozen clutch fixed a few months ago. The bikes been running pretty good till now.

It starts up ok but needs a good amount of choke to keep it running, the rpms dip and it sometimes eventually dies while idling. Its idling pretty rough. If I touch the throttle even slightly it instantly dies. Which makes riding rather difficult ;-)

Any suggestions?
rippin it...
'82 xj1100
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Old 06-25-2010, 01:10 PM
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dbeardslee dbeardslee is offline
XS-XJ Super Guru
Join Date: Nov 2007
Location: Maineville, OH
Posts: 3,452
If I touch the throttle it dies
Then don't do that . Seriously, though, two things you might check - pickup coil wires, and the cleanliness of your carbs. Might also get out the DMM and take some readings at the TCI. Might even be as simple as a carb sync. Could be a lot of things, but you have to start somewhere. Diagnosing problems is as much a process of finding out what isn't wrong, as it is locating the problem.
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

Last edited by dbeardslee; 06-25-2010 at 01:12 PM.
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Old 06-25-2010, 01:15 PM
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CatatonicBug CatatonicBug is offline
Master of XSology
Join Date: Oct 2008
Location: Clinton, UT
Posts: 6,117
Check for vacuum leaks too. The hose that runs from the intake boots to the octy or petcocks, or the vacuum caps, or where the intake boots seal against the engine.
1980 XS850SG - Sold
1981 XS1100LH Midnight Special (Sold) - purchased 9/29/08
Fully Vetterized and Dynojet Kit added, Heated Grips, Truck-Lite LED headlight, Accel Coils, Irridium plugs, TKAT Fork Brace, XS850LH Final Drive & Black SS Brake lines from Chacal.
Here's my web page devoted to my bike! XS/XJ User's Manuals there, and the XJ1100 Service Manual and both XS1100 Service manuals (free download!).

Whether you think you can, or you think you cannot - You're right.
-H. Ford
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Old 06-25-2010, 01:33 PM
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psycoreefer psycoreefer is offline
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Join Date: Feb 2008
Location: Minden, NV
Posts: 1,546
I'm with c-bug look for a missing vacuum cap, or other leak, my next guess would be crud in the tank made its way into your carbs.

Check the pipes and see which ones aren't hot (or as hot as the others) and start your search there.
1979 xs1100 Special -
Stock air box/K&N Filter, MAC 4-2 exhaust, Bad-Boy Air horn, TC fuse box, Windshield, Soft bags, Vetter Fairing, Blinkers->Run/Turn/Brake Lights, Headlight Modulator, hard wire GPS power

Short Stack - 1981 xs1100 Standard - lowered for SWMBO.

Originally Posted by fredintoon View Post
Goes like a train, corners like a cow, shifts like a Russian tractor, drinks like a fish, you are gonna love it.
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Old 06-25-2010, 01:40 PM
wylie coyote wylie coyote is offline
Join Date: Apr 2010
Location: Fernley Nv
Posts: 42
+1 with the vacuum leaks.
1980 xs 11 special
1969 camaro pro street project (for sale)
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Old 06-26-2010, 12:08 AM
motoman motoman is offline
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Location: Grand Junction, Colorado
Posts: 8,309

Don't touch it.......grab it and twist it like you stole it..........seriously though at the LEAST, you have a resticted idle circuit caused from a number of things besides gremlims....
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.
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choke, dies, dying, rough, throttle

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