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Old 08-02-2009, 02:29 AM   #16
ktm950se
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Location: Southern Maine
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Quote:
Originally Posted by Hank.SD
Something like this...

http://www.dan-marc.com/79-afc11112.html

12 Volt Multi Fuel Shut Off Valve

Item# 79-AFC11112
Regular price: $29.87
Sale price: $25.65
Availability: Usually ships in 2-3 business days.
That's a great find, thanks!

ktm950se
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Old 08-02-2009, 01:43 PM   #17
ridewestKTM
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Quote:
Originally Posted by FINNDIAN
I like the idea of a vacuum pump as they almost never seem to fail.
Would mounting the pump high on the bike help the hydrolock problem.
These pumps seem to have some resistance to free flow.
Strange the needle and seats in the carb don't prevent a hyrolock. The fuel should run out the carb overflows before into the engine if the needle and seat aren't doing their job.
Mounting high will not help hydrolock -it will syphon just like any other system unless you are way high. And high will promote vapor lock - thats when it IS high enough.
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Old 08-02-2009, 03:16 PM   #18
crofrog
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The carbs on a 950 are mikuni bst40's not Keihin.
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Old 08-02-2009, 04:25 PM   #19
Hank.SD
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Quote:
Originally Posted by ktm950se
That's a great find, thanks!

ktm950se
I haven't ordered that or the pump yet, but they are both on the must-do list this winter. I've only got 7500 on the stocker, so I'm not concerned yet but I do want to upgrade to something around 10K. I really like the idea of a vacuum pump much better than switching to a Facet.

Let us know how it works out if you try that shut-off! If I'm the guinea pig first, I'll certainly report back.
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Old 08-02-2009, 06:44 PM   #20
MT950 OP
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Posted thead!

This is why I posted this thead!!!! I plan on installing a Vac. fuel pump, and wanted some feed-back. Keep the Questions/info. comeing!! It seems I am not the only one looking for more info. Seem's the way to go, but all info./input is helpfull !! Thanks!!
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Old 08-03-2009, 11:27 AM   #21
jackr
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Quote:
Originally Posted by crofrog
The carbs on a 950 are mikuni bst40's not Keihin.
I didn't realize KTM used two different carbs on the 950's. The carbs on my 2008 SE are Keihin CVRD 43's. So this brings up another question, is it the Mikuni's or Keihin's that are hydro locking?
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Old 08-03-2009, 01:11 PM   #22
crofrog
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Quote:
Originally Posted by jackr
I didn't realize KTM used two different carbs on the 950's. The carbs on my 2008 SE are Keihin CVRD 43's. So this brings up another question, is it the Mikuni's or Keihin's that are hydro locking?
Well shit. My bad this is some false information on my part.

I had more than one person tell me it was a BST40.

Went and looked at the bike and you are correct sir.
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Old 08-04-2009, 06:46 PM   #23
rusty43
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Just got back from 9000km trip with Alternate Cycle kit on an '05 and '06 950. I installed the kits on both bikes and the '05 had no issues but mine would vapour lock occasionally afterwaiting in construction zones. I moved the suction line from between the cylinders and put it on the left side of the engine, no more vapour lock. I've done the flapendectomy on mine and haven't shut off the fuel petcock yet and have had no hydrolock. I use only one outlet from the pump, mainly because it makes the install job so much easier. Leave the airbox installed and drill the mounting holes in three stages starting with a really small bit and you can get the holes exactly where you want them.
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Old 08-04-2009, 07:08 PM   #24
SDS
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I've been running the round Mikuni pump for 6-7k miles. I'd actually forgotten about it until I took the seat off Sunday. No problems riding on the highway, and FS roads. I never switch the petcock off. Every now and then it'll puff some white smoke when starting, but other than that it works fine.
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Old 08-05-2009, 11:36 AM   #25
jackr
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Quote:
Originally Posted by rusty43
I've done the flapendectomy on mine and haven't shut off the fuel petcock yet and have had no hydrolock.
It looks like a flapendectomy may be the answer to the hydrolock problem. Has anyone had a vacuum pump problem with hydrolock on an SE? Has anyone taken the gas cap of an SE apart to see if its restricted?
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Old 08-05-2009, 01:35 PM   #26
Seth S
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In my experience I've found that Vacuum pumps really suck.
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Old 08-05-2009, 03:07 PM   #27
kennyd
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se gas cap

Quote:
Originally Posted by jackr
It looks like a flapendectomy may be the answer to the hydrolock problem. Has anyone had a vacuum pump problem with hydrolock on an SE? Has anyone taken the gas cap of an SE apart to see if its restricted?
there is no flap or valve on the SE! but it still is possible to flow fuel thru if the tank is full from the (HEAD) simple gravity! it takes over 24 hours to be a problem if your floats are sealing. so just turn off the petcocks when you you are parked overnite!!! takes about 10 seconds!!!
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Old 08-06-2009, 11:34 AM   #28
jackr
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Quote:
Originally Posted by kennyd
there is no flap or valve on the SE! but it still is possible to flow fuel thru if the tank is full from the (HEAD) simple gravity! it takes over 24 hours to be a problem if your floats are sealing. so just turn off the petcocks when you you are parked overnite!!! takes about 10 seconds!!!
10 seconds or not, I hate turning off petcocks. I had about 5 gallons of gas (HEAD) above the Keihin carb on my Harley, and it never leaked past the floats. Whats up with these KTM Keihin carbs?
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Old 08-06-2009, 11:41 AM   #29
mookymoo
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Quote:
Originally Posted by Seth S
In my experience I've found that Vacuum pumps really suck.
boom boom
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Old 08-06-2009, 11:46 AM   #30
trailtrick
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I have mine for 3000 miles and have no problems with it ,i use a snowmobile mikuni pump from a 1000cc machine
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