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Old 09-03-2012, 09:18 AM   #3511
bootz
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love me some 530!!!
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Old 09-03-2012, 09:31 AM   #3512
Hayduke
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Originally Posted by Yellow Pig View Post
Nice!

So the real question is what is CV gonna get and what is he gonna build?
He already has it.
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Old 09-03-2012, 04:41 PM   #3513
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Just picked up a used '08 450EXC-R. Can't wait to get it dirty!



This thread has been a huge help getting to bike sorted (it wasn't in the best shape although it has only 2,200 miles and 70 hours). The previous owner didn't de-smog it so I've done that. However, I have a question about what to do with the oil vent hoses.

From the diagram below and looking at my bike, it looks like hose #1 goes to the valve cover vent, #2 goes to the crank case and #3 goes to the carburetor on the intake/air-box side (right?)

If you block off the carb vent, what do you connect #3 to?? Do you run a longer hose into the airbox and put a Uni filter on it? Or??




Thank you very much!
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YetiGS screwed with this post 09-04-2012 at 09:40 AM Reason: Got my hoses crossed.
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Old 09-03-2012, 04:45 PM   #3514
Navin
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I have mine T-ed together and run over the rear shock res to atmosphere. Nothing in, nothing out so far. Hangs down a few inches to hold its position.
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Old 09-03-2012, 08:22 PM   #3515
Foot dragger
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Ive left the vent lines hooked just where they were from the factory,doesnt seem to be a problem.
Venting the inside of the valve cover or cranckase to open air is good if you dont mind a little dirt sucking into the engine from time to time.
Suction occurs in a small amount and can suck dust in,probably help seat the valves in better.
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Old 09-03-2012, 10:28 PM   #3516
GordonFreeman
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Quote:
Originally Posted by YetiGS View Post
Just picked up a used '08 450EXC-R. Can't wait to get it dirty!



This thread has been a huge help getting to bike sorted (it wasn't in the best shape although it has only 2,200 miles and 70 hours). The previous owner didn't de-smog it so I've done that. However, I have a question about what to do with the oil vent hoses.

From the diagram below and looking at my bike, it looks like hose #1 goes to the valve cover vent, #2 goes to the crank case and #3 goes to the carburetor on the intake/air-box side (right?)

If you block off the carb vent, what do you connect #3 to?? Do you run a longer hose into the airbox and put a Uni fileter on it? Or??




Thank you very much!
A guy named ronniemx posts how to vids on 530s on YouTube , including an excellent one on desmogging and routing the extra hoses.
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Old 09-04-2012, 07:53 AM   #3517
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Thanks Gordon, I'll check those videos out.
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Old 09-04-2012, 12:18 PM   #3518
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Rear Sprocket Torque values

Where do I find the torque values for the rear sprocket? I have looked all through my book it is an M8 bolt and I'll be danged if I can find it anywhere. I torqued them down to 25 nm as a start.
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Old 09-04-2012, 12:40 PM   #3519
Michhub
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Originally Posted by Krazyjohnny View Post
Where do I find the torque values for the rear sprocket? I have looked all through my book it is an M8 bolt and I'll be danged if I can find it anywhere. I torqued them down to 25 nm as a start.
Owners Manual under Technical Data - Chassis Tightening Torques

Nut, rear sprocket screw M8 35Nm(25.8 ft/lbs) loctite 243
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Old 09-04-2012, 12:54 PM   #3520
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Thank you. I will earmark that page.
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Old 09-04-2012, 02:55 PM   #3521
YetiGS
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Originally Posted by YetiGS View Post
Thanks Gordon, I'll check those videos out.
I finally found Ned's answer in this thread at #2207:

Quote:
Originally Posted by neduro
FWIW, I'm not a fan of any program that has an open pipe to inside my motor, positive pressure or no.

I don't see the problem with the stock routing. Get rid of the buggered EXC carb venting, but the crank/ head vent that goes to the carb, is not a liability IMO, even after having bikes upside down and backwards in every possible crashing configuration. The potential exists to get some negligable amount of oil into the carb, but the reality hasn't presented itself to me yet.



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Old 09-05-2012, 02:48 PM   #3522
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Quote:
Originally Posted by YetiGS View Post
I finally found Ned's answer in this thread at #2207:
Thanks for posting that Scott! I love Neduro's advice. :)
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Old 09-06-2012, 01:55 PM   #3523
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Quote:
Originally Posted by YetiGS View Post
I finally found Ned's answer in this thread at #2207:
I did as Ned says, left the vent piping to the carb intake. Occasionally have some oil burning for a couple of minutes but it is shortlived and usually within a few minutes of starting. My guess is some oil collecdts under the valve cover and gets siphoned out the tube to the carb. Does not happen everytime I start it, only about 1 out of 20 times.
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Old 09-06-2012, 03:33 PM   #3524
antpatterson
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So yesterday my 08 XCRW 450 started making a strange noise, found out today after a ride with my dad that my front sprocket is pretty much gone.

So I need some help ASAP so I can get the parts ordered.

1.) What is the STOCK gearing combo for the 08 XCRW 450? (Can't find **** about the XCRW anyway)
2.) I ride SOME road to my destinations, not much, currently my 450 tops at 80mph. I've yet to check what combo is on right now but from what I've gathered it should haul more *** than that. Would the stock gearing still be low enough for 1-4 wheelies on trails? When I first got this bike it pulled wheelies in 1-4 and 5 with some body English, now with the front gone it is just grinding the chain and sprocket so it's time for new chain and sprockets.
3.) Anyone know of a really good chain that has rivet links with it too? I rivet all my chains and now even my XR needs a new chain after the BRAND NEW Renthal I put on already has loose rollers.

I'm just bummed out that I'm gonna have the KTM down for a min to get these parts in after I find out the stock gearing and decide if I want the stock, higher, or lower gearing.
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Old 09-06-2012, 03:39 PM   #3525
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Rockymountainatv.com has a bike drop down that will list the stock sizes. I run their brand drive kits with their X ring chain. 14/50 is a good compromise gear if you need more top speed without too much RPMs. Was your bike tapped out in 6th at the limiter at 80? I run 13/50 on my 530 for tight woods.
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