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Discussion in 'Thumpers' started by Visigothic, Apr 27, 2011.
What you think on grease -perhaps some black CV joint moly grease
I saw mention of spline wear etc -that may take some shock
Its 35NM or 25.8 Ft Lbs according to the 2012 500EXC owners manual. Don't over do it.The Loctite holds it just fine. The bolt just keeps the sprocket from falling off. My Husky used a circlip to do the same thing.
Considering selling my trust WR250R and picking up either a KTM 500EXC or a 690 Enduro R.
I'd be all over the EXC except I don't think that the maintenance windows will be friendly for long distance trips such as the TAT.
I'm afraid the 690R will push too far into the realm of my 800xc.
Has anyone done any long distance riding on their 500EXC?
I did the TAT last year on a DRZ400 and I met inmate Backlash on the last day on his '13 500EXC. He did the entire trip and changed the oil a few times. No big thing. Three drain plugs (all 13mm), easy air filter access.
I bought his EXC a few weeks ago and maintenance isn't a big deal.
Go for it! This bike is special.
Got it wrong, the correct torque is 44NM for the sprocket bolt. The rest of what I said still applies.
Quick question. What is the 90 degree plastic elbow to the right of the above Golan?
I just lost my first screen...should have read this thread earlier!
It certainly makes a difference in the sound, but I also noticed a simultaneous and considerable increase in backfire upon decel. Is that typical when you lose the screen?
Bike has 6 hrs on it, and backfired a small amount up until the change in exhaust note, which I am attributing to the lost screen, although I don't know if the screen departed at exactly the same time as the exhaust note changed. The backfire now also occurs slightly when closing throttle to shift up.
I can't get a replacement part for a week or so. Is it dangerous for the engine to run it with that much backfire? Is there another possible cause for sudden change in exhaust note and increase in backfire. This occured while accelerating hard up a hill, coming out of a turn.
That's the stock 2012 500 fuel disconnect. I bought the '13 connector because it allows you to easily change the 20 micron fuel filter. And it was only 12$
Im super confused about whats being said here. The external screen is part of the spark arrestor? That screen knocks the bike down to moped status, no way it's going back on my bike.
Im not trying to tell anyone how to do anything but wouldnt you want that filter down stream of the quick disconnect? Whenever I take the tank off even after taking extra care to clean that area Im super aware that Im opening the fuel system and I always find some dirt directly on that fitting. Guess Im going to learn my lesson the hard way because Im leaving the stock filter system. Ive replaced the filter once already which hasnt been much trouble to do during a valve check when the tank is off.
When you have the '13 setup the filter is on the side that goes to the fuel rail so it's downstream. And when you disconnect the line it stays in.
Miraculously, I returned to where I recall detecting the change in exhaust note to search for the screen/screw retainer, and actually found both!
I suspect there must be something missing still, although I have both parts, since the the diameter of the screen (shaped like a bottle cap) is considerably smaller than the screw retainer. Does the proper screen have some sort of ring that the perforated bottle cap attaches to?
Hopefully I finally figured out how to post a picture image!
If the picture you posted is your screen then you only found half of the screen. The other half has the flange on it. It must have come apart when it fell out. The two screens are pressed together. My daughter says it looks like a pie pan with a pie in it, when it's in one piece.
Great, thanks. That solves that part of the puzzle, although this pie pan with a pie in it seems like a pretty bizarre piece of engineering.
I guess I can't say with 100% certainty until I get a new screen installed, but it seems to me that losing that screen has an amazingly big impact on the backfire situation. Must be right on the edge with it installed.
Do you have the unrestricted Euro map installed? It should run perfectly with almost no backfire with the screen out, as long as you have that map installed in the ECU.
With the removable screen ("choke screen) removed - does it always have a back fire problem if you have the stock map?
This might be the answer to a question I asked a while back. I was trying to figure out how to make sure I had the Euro map installed.
Screen is removed from mine & I have Euro map with switch & blocked SAS, etc. It doesn't backfire now on decel.
I think with stock FI it will run leaner which will make the back fire worst w/o screen - I read that. With JD tuner screen can be removed. From what I understand that (screen) is not part of the spark arrestor.
Exact same experience here as Boostracer.
That's how I installed my Golan, in the vertical after the disconnect.