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Stalling on moving off.

 
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Al.
Flying Brick Rider


Joined: 28 Oct 2005
Posts: 292
Location: West of Ireland

PostPosted: Sat Apr 14, 2018 2:46 pm    Post subject: Stalling on moving off. Reply with quote

Changed all filters and plugs.
Still doing it.
Any ideas please?
Will drive out on the road no problem.
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Scott_Anderson
Flying Brick Rider


Joined: 05 Sep 2006
Posts: 2880
Location: Central Iowa, USA

PostPosted: Sat Apr 14, 2018 3:53 pm    Post subject: Reply with quote

Check for vacuum leaks, especially the the main "Z" hose behind the TB assy.
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1997 K1100LT 0302488
1995 K1100LT 0302044
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N41EF
Flying Brick Rider


Joined: 23 Mar 2014
Posts: 316
Location: Aiken, SC

PostPosted: Sat Apr 14, 2018 8:45 pm    Post subject: Reply with quote

Check the four rubber caps on the throttle bodies too.
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Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 9355
Location: Bumf***, WA

PostPosted: Sun Apr 15, 2018 5:35 am    Post subject: Reply with quote

Another common possibility for air leaks is the boots between the TBs and the cylinder head getting old and cracked. By now, they are 25 years old and have been through a lot of heat cycles.

A simple test is to take the LT left lower off and spray one of the following around the boots below the TBs: fine water mist, propane/butane, starter fluid.

If the idle decreases with the water mist or increases with a flammable product then that's where you issue is. They're not that hard to replace.

Disclaimer: IF you use something flammable use caution not to start a fire and have a fire extinguisher handy just in case. (That said, I've done it with starter fluid many, many times and never had an issue so there's no need to be paranoid about it, just cautious.)
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94 K11RS- "Kato"
86-97 K75F (K75/100/1100 Frankenbrick)
86 K75C w/ paralever, high perf. cams,TURBO!
91 K1
86 custom K100
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Al.
Flying Brick Rider


Joined: 28 Oct 2005
Posts: 292
Location: West of Ireland

PostPosted: Sun Apr 15, 2018 8:16 am    Post subject: Reply with quote

Thank you for tips.
Clarification - I can get away if I give it lots of revs.
On easy throttle it stalls.

Checked contacts at coils - ok
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Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 9355
Location: Bumf***, WA

PostPosted: Sun Apr 15, 2018 10:58 am    Post subject: Reply with quote

Minor air leaks can temporarily seem to "cure" themselves as RPMs increase because

a) the volume of air leaked in is a smaller percentage of the total ariflow

b) the increased vacuum can close up the crack that is causing the leak
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93 K11LT
94 K11RS- "Kato"
86-97 K75F (K75/100/1100 Frankenbrick)
86 K75C w/ paralever, high perf. cams,TURBO!
91 K1
86 custom K100
and 2 more
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE
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Al.
Flying Brick Rider


Joined: 28 Oct 2005
Posts: 292
Location: West of Ireland

PostPosted: Sun Apr 15, 2018 4:54 pm    Post subject: Reply with quote

Thanks again. Very Happy
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Oscar91



Joined: 11 Apr 2018
Posts: 6

PostPosted: Wed Apr 18, 2018 6:11 am    Post subject: Reply with quote

Just leave the second gear in and pull the clutch. As long as you pull the clutch in time, nothing stalls. If you are lazy, you can also start from the stand again in the second gear.
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Al.
Flying Brick Rider


Joined: 28 Oct 2005
Posts: 292
Location: West of Ireland

PostPosted: Wed Apr 18, 2018 3:18 pm    Post subject: Reply with quote

Don't get that.

Could it be caused by breather pipes connected to air box.
The little short one is covered in oil..

I notice now it's inclined to cut out whe I stop.
Haven't had time to seriously investigate.
Only driving around the road to test it
The pressure regulator is buried under the box too

Now I have acquired a gift of a Suzuki Burgman 650 so the
garage is kinda full.

Drove 120 miles on it today taking it home.
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