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Old 05-07-2012, 02:13 PM   #3211
jesusgatos
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Cool deal. I've seen a lot of these bikes run-up similar hours without anything more than oil changes and valve-checks. Wonder why these got such a bad reputation as far as reliability is concerned. Maybe just the initial problems with the 08's? Can't imagine why anyone would want to swap an RFS into one of these chassis though, with reliability like we all seem to be experiencing.
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Old 05-07-2012, 02:53 PM   #3212
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Originally Posted by jesusgatos View Post
Cool deal. I've seen a lot of these bikes run-up similar hours without anything more than oil changes and valve-checks. Wonder why these got such a bad reputation as far as reliability is concerned. Maybe just the initial problems with the 08's? Can't imagine why anyone would want to swap an RFS into one of these chassis though, with reliability like we all seem to be experiencing.
I chalk it up to people being naturally hesitant toward something they don't know about then grabbing at everything they hear and letting that influence them over first hand experience and knowledge. I think its a natural process for people to be afraid of what we don't know.

Its also something to keep in mind when thinking about the new 500 (or any other bike that is new and unproven), don't cut it down yet. Keep an open mind toward it until its proven to be a significant drawback.

My 2 cents for the day
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Old 05-07-2012, 06:35 PM   #3213
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Originally Posted by jesusgatos View Post
Maybe just the initial problems with the 08's?
I studied this alot before Dakar, as you can imagine.

Every catastrophic failure I could find was a result of low oil.

The problem is that an engine can change oil level very quickly, when the rings hit a critical gap, or the valve guide seals lift. The latter failure can take an engine that has never burned a drop, and run it just about out of oil in a tank of gas.

I've come to the conclusion that if you overfill relative to the window, and check it religiously every single time you add fuel, you don't have much to worry about.

I haven't found any credible stories of engine oil going to the tranny on 09-newer bikes, which isn't to say it couldn't happen, but I did a lot of research.
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Old 05-07-2012, 07:47 PM   #3214
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Originally Posted by header View Post
I chalk it up to people being naturally hesitant toward something they don't know about then grabbing at everything they hear and letting that influence them over first hand experience and knowledge. I think its a natural process for people to be afraid of what we don't know.

Its also something to keep in mind when thinking about the new 500 (or any other bike that is new and unproven), don't cut it down yet. Keep an open mind toward it until its proven to be a significant drawback.

My 2 cents for the day
Yep, If I believed the internets, my 2008 690 would never leave the garage. So far it has been great. Never stranded me, never failed to start.
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Old 05-07-2012, 08:27 PM   #3215
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Originally Posted by Krazyjohnny View Post
After watching the video with David Knight talking about the shortcomings of the 500, I am glad I am on the 08' 530 EXC. The issues I have read about here and other places would drive me nutty.

All good stuff nonetheless.
I haven't ridden a perfect FI bike yet. My dads Sherco 450 is pretty close and my rc51 isn't bad. I have a 530 exc 2010. It's ok, but its going to kill me.
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Old 05-07-2012, 10:34 PM   #3216
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Originally Posted by neduro View Post
I studied this alot before Dakar, as you can imagine.

I haven't found any credible stories of engine oil going to the tranny on 09-newer bikes, which isn't to say it couldn't happen, but I did a lot of research.
On this particular issue a friend bought a brand new hold over 2010 530EXC 6 days last year. During his first major ride with the bike last summer in the Ouray area we started noticing considerable oil usage on it. After he got back from the trip he found his transmission oil to be overfilled. He took it to the dealer and they found that oil was transferring from the engine side to the transmission side. They fixed the issue under warranty, so I would say it is still definitely possible with the 09 bikes and the 10 Six Days
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Old 05-08-2012, 02:29 AM   #3217
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thanks for the info guys.

Is there a thread about converting the engine to a single sump?
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Old 05-08-2012, 07:06 AM   #3218
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Single sump oil solution?????

Why couldn't you have a piece of stainless tubing bent and installed with the proper fittings into the lower screen locations, thus manifolding the two sumps together? I am thinking this would not help with flow, but just "axing" the "queshun".
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Old 05-08-2012, 07:19 AM   #3219
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Quick question:

Will a 530 run w/out a battery or with a dead battery if kick started?
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Old 05-08-2012, 07:46 AM   #3220
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Originally Posted by jesusgatos View Post
Cool deal. I've seen a lot of these bikes run-up similar hours without anything more than oil changes and valve-checks. Wonder why these got such a bad reputation as far as reliability is concerned. Maybe just the initial problems with the 08's? Can't imagine why anyone would want to swap an RFS into one of these chassis though, with reliability like we all seem to be experiencing.
I don't know of a single person that has swapped an RFS into a XC4 chassis, the engine mounting points are too different. People are using 07-11 SX-F and XC-F donors, the DOHC engines of those years are definitely problematic and they wear out very quickly. Lots of those bikes being parted out so you can often build a hydrid cheaper than buying a newer EXC-R. The SX-F/XC-F are also reported to handle a bit better, even if only few people will be good enough to really benefit from this - I am certainly not.

That being said I personally do not want an engine that burns oil, which a lot of XC4 owners - even post 08 - seem to have accepted as normal operating procedure. Just glad that I don't have that problem in the XC4 derivative in my FE570, and I also prefer the single sump...
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Old 05-08-2012, 07:51 AM   #3221
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Here's one:

http://www.dirttricks.com/rfs_in_new_frame.htm

I've seen a few others. I know Cross Country did it. I don't know that it's worth it, though. RFS engines have their own issues, too.
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Old 05-08-2012, 07:55 AM   #3222
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Originally Posted by Hayduke View Post
Here's one:

http://www.dirttricks.com/rfs_in_new_frame.htm

I've seen a few others. I know Cross Country did it. I don't know that it's worth it, though. RFS engines have their own issues, too.

Here is one what? That's not an XC4 chassis, neither is Jar's, Cross-Country's, Olzy's or anybody elses on the forums....

Here is mine, also a XC-F (DOHC engine) frame:

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Old 05-08-2012, 07:58 AM   #3223
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Ah... XC- F. I was thinking Tony's was an XC4 chassis.
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Old 05-08-2012, 08:09 AM   #3224
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[QUOTE=LukasM;18638552]I don't know of a single person that has swapped an RFS into a XC4 chassis, the engine mounting points are too different. People are using 07-11 SX-F and XC-F donors, the DOHC engines of those years are definitely problematic and they wear out very quickly. QUOTE]


Much like the 08 530's the 07 450's (twin cam) gave the design a bad name. They were actually a very tough engine. I put 150 very hard hours on my XC-f without even a valve adjustment. They also out handled a 530 or 450 XC4 by a large degree.

The Hybrid that I built did not handle anything like it did in it's previous life. I originally put a 540 in it (mistake), once I took that out and put a 450 in it, it handled as good or better than a 530. The only way I would do this again would be to use a short stroke 450 (SX) engine.
That would be a sweet bike.

The RFS has it's own problems but can be built in many various configs. It also had many great upgrades that made it bullit proof, if you spent the money.

Here is mine getting beat to death, as usual. I miss RicketyCricket!




edit; whoops, sorry for clogging the thread with these deets, when I was typing this I thought I was in the RFS thread.

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Old 05-08-2012, 07:37 PM   #3225
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Originally Posted by DRjoe View Post
thanks for the info guys.

Is there a thread about converting the engine to a single sump?
I would be interested in this as well. I've seen some people have had it done but can never find any info about doing it or having it converted. Anyone?
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