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Old 04-26-2013, 03:56 PM   #31
Jdeks OP
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Cheers pete, I agree its probably not head gaskets (maybe that's just wishful thinking on my part though).

Coolant system was flushed by the garden hose method-is this sufficient?
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Old 04-26-2013, 04:17 PM   #32
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Garden hose - no problems. Works well but remember to do the overflow bottle and radiator. Depending on km's it might be worth taking the radiator to a specialist for a proper clean???

Head jasket - much harder to fix than a waterpump seal.. Id take the WP seal anyday...
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Old 04-26-2013, 08:51 PM   #33
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Replacing the water reservoir entirely , and flush the whole coolant system again
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Old 04-27-2013, 04:32 PM   #34
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So I'm having some trouble getting a new clutch cover gasket.

Is there any reason I can't use.gasket goo on the clutch cover ( the larger inner one) for a few thousand K's?
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Old 04-29-2013, 10:21 PM   #35
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Quote:
Originally Posted by Jdeks View Post
So I'm having some trouble getting a new clutch cover gasket.

Is there any reason I can't use.gasket goo on the clutch cover ( the larger inner one) for a few thousand K's?
No reason you couldnt but its not reusable like the O ring seal for the cover or are you talking about a different seal? Have a look here and i d it ???

http://www.boltonmotorcycles.com/find/fiche/214472

# 4 or 2?
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Old 05-25-2013, 06:03 PM   #36
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Im reviving this thread to add some info..
I replaced all of the hoses with Samco silicon hoses (orange of course) and used the crimp clamps figuring I wont be changing/moving any of them that are in hard to get at areas of the motor which is basically all of them. The 2 that run from the radiator I reused the spring styled clamps, you know the ones you open with pliers, as they were working before so why not now???
As a few have detailed here I also had an issue with the temp creaping up in traffic (2nd fan/thermo switch installed) or other slow going. Along the way Id noticed a minute coolant weap from the WP housing so a new seal fixed that pronto but this lead to another little leak past the return hose to the radiator past (you guessed it) the spring styled clamp!!!
All of my previous (KTM) bikes have had screw styled clamps on these hoses so why not the 950? The rad cap does its pressure thing when necessary so my thinking is that the small leak past these clamps is enough to de-pressureize the system and thus let the temps increase accordingly.
So off to enzed (automotive hose supplier) I go and armed with 2 new quality hose clamps I replace the 2 on the radiator and guess what? The temps have become way more stable than before. Hovers on 3 - 4 bars in traffic and takes longer to reach this temp. I havent had a chance to have a long ride through the twisties off road but its already made a huge improvement over my previous situation.
If your having this problem then for the small investment it might be worth trying this mod before you delve into the deepest reaches of KTMs finest motor to date!
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Old 05-26-2013, 04:00 PM   #37
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Hey Pete, thanks for the update.

I ended up doing about 3000km out to the SImpson and back with the system as is (twin fan, standard thermo switch), and a replaced water pump seal, and breather/balance shaft seal

Temps were same deal as always - jumps up to 5 bars in moderate work .... but never any higher. Putting around caravan parks in first for 15 minutes looking for a spot - 5 bars. 60kph on twin track - 5 bars. Redlining it going up dune after dune in 30 deg heat - 5 bars. Got it to 6 brs once for a glimmer after some real heavy trench digging. So I think it holds pressure fine - it's just obstructed airflow. Expansion bottle levels rose and fell a cm or so with the heat as you'd expect, but no major overflows, so thinking head gaskets are OK. Oil filter not wavey, oil dark but not milky. so I don;t think I've got any blown seals.

The milky oil from the breather hose turned out to be a mix of carb icing and operator error. In my haste I overfilled the oil, which causes it to typicall vent from the breather hose. Cold humid conditions between VIC/ACT were perfect for carb icing, which bought in a whole bunch of moisture, which left via the breather hose mixing with the oil. As soon as I siphoned off the excess oil and went to warmer country, it completely cleared up. I haven't had a repeat now I'm back here....yet. So I think that was the cause.

But there is one thing - the coolant(Motul MoCool) changed color. Not turned milky, but went from clear purple to clear green. Maybe it was the heat and the fact I used tapwater?

Jdeks screwed with this post 05-26-2013 at 04:05 PM
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