MPS Does it Again!

Markopolo400
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Markopolo400
Edited Date/Time 3/14/2013 5:54pm


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mynewcr250
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mynewcr250 2/23/2013 7:48pm
2/23/2013 7:48pm Edited Date/Time 2/23/2013 7:49pm
at first i didnt get it...then it sunk in 3 seconds later. LOL

i want to see a picture with the side panel off
Markopolo400
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Markopolo400 2/23/2013 7:50pm
2/23/2013 7:50pm
I don't, I may not be able to stop laughing.

I know my ribs hurt when I saw the pipes they "Design" for the 500...Just welded random cones in until it fit...

The Shop

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skid mark
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skid mark 2/23/2013 8:46pm
2/23/2013 8:46pm
Should meet sound checks for decades to come
look out below 3/13/2013 5:39pm
3/13/2013 5:39pm
FGR01 wrote:
[img]https://sphotos-b.xx.fbcdn.net/hphotos-ash3/830422_4357549579466_1759834024_o.jpg[/img]
At least they could have cleaned the motor.
Thomas Jefferson 3/13/2013 7:34pm
3/13/2013 7:34pm
See, Fanelli does not really give a rat's ass what we say, because he has a wealthy group of customers in Italy that pump him big bucks to turn out these poop chariots.
cwtoyota
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cwtoyota 3/13/2013 8:37pm
3/13/2013 8:37pm
I'm a two stroke guy I guess... I have a 125, a 250 and even a big bore 250 (295cc).

I've ridden a home-built conversion ('02 CR250R with a 500 engine). That was a fun bike, but I can put in a more aggressive, faster lap on a bone stock YZ250 even at a big track like Pala Raceway.

I can relate to the guy who builds this at home from a blown up CRF250R he found for $600 on craigslist and a $1500 CR500R. It's a "cool" project.

What I don't understand is the guy who pays $11k-$16k to have someone rip up a brand new 450 and swap in a used two stroke engine.

I ride two strokes because they handle great and they're relatively cheap. If money were no object, I'd drop about $5k on lightweight parts and run a 450F with a bone stock engine and some A-Kit suspension.
look out below 3/13/2013 8:48pm
3/13/2013 8:48pm
Thomas Jefferson wrote:
See, Fanelli does not really give a rat's ass what we say, because he has a wealthy group of customers in Italy that pump him big...
See, Fanelli does not really give a rat's ass what we say, because he has a wealthy group of customers in Italy that pump him big bucks to turn out these poop chariots.
Poop Chariots!!Laughing
CR500Rider
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CR500Rider 3/13/2013 9:32pm
3/13/2013 9:32pm Edited Date/Time 3/13/2013 9:33pm
After seeing his intake tract "fabrication" I thought it wasn't possible to choke anymore power from a 500. I was wrong.
TerryK
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TerryK 3/13/2013 10:42pm
3/13/2013 10:42pm
CR500Rider wrote:
After seeing his intake tract "fabrication" I thought it wasn't possible to choke anymore power from a 500. I was wrong.
You mean the Fernco sewer pipe fitting he uses?
mxracer816
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mxracer816 3/14/2013 5:16am
3/14/2013 5:16am
Fernco??? Really?? Sounds like my buddies ATC 200X turned MX200X, which is home built with whatever we could find that would work around my shop! Not a AF500 that I pay someone to build for sure!
HenryA
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HenryA 3/14/2013 5:51am
3/14/2013 5:51am
cwtoyota wrote:
I'm a two stroke guy I guess... I have a 125, a 250 and even a big bore 250 (295cc). I've ridden a home-built conversion ('02...
I'm a two stroke guy I guess... I have a 125, a 250 and even a big bore 250 (295cc).

I've ridden a home-built conversion ('02 CR250R with a 500 engine). That was a fun bike, but I can put in a more aggressive, faster lap on a bone stock YZ250 even at a big track like Pala Raceway.

I can relate to the guy who builds this at home from a blown up CRF250R he found for $600 on craigslist and a $1500 CR500R. It's a "cool" project.

What I don't understand is the guy who pays $11k-$16k to have someone rip up a brand new 450 and swap in a used two stroke engine.

I ride two strokes because they handle great and they're relatively cheap. If money were no object, I'd drop about $5k on lightweight parts and run a 450F with a bone stock engine and some A-Kit suspension.
Agree, the 450 was probably a couple of seconds faster per lap before they ruined it too.
Thomas Jefferson 3/14/2013 5:54am
3/14/2013 5:54am
CR500Rider wrote:
After seeing his intake tract "fabrication" I thought it wasn't possible to choke anymore power from a 500. I was wrong.
TerryK wrote:
You mean the Fernco sewer pipe fitting he uses?
You boys laugh, but I literally put my hand on that pipe fitting. To me, it looked like the upper radiator hose from a Chevy Silverado.

It laid down a whopping 48hp on the dyno in that configuration.
scooter5002
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scooter5002 3/14/2013 6:41am
3/14/2013 6:41am Edited Date/Time 3/14/2013 6:42am
mxracer816 wrote:
Fernco??? Really?? Sounds like my buddies ATC 200X turned MX200X, which is home built with whatever we could find that would work around my shop! Not...
Fernco??? Really?? Sounds like my buddies ATC 200X turned MX200X, which is home built with whatever we could find that would work around my shop! Not a AF500 that I pay someone to build for sure!
Really. I own one. Too bad I didn't take another pic, from a different angle. It shows how Fanelli cut it with a carpet knife, or something similar. I looked at it yesterday in my shop, just shook my head. Awesome engineering.

Thomas Jefferson 3/14/2013 6:49am
3/14/2013 6:49am
That is like a small coupling.

The entire intake tract on his 09-12 personal bike is a piece of hose. Not a boot. A hose. about 5-6 inches long.

I had to hold back my body language until I walked away. I literally couldnt believe what I was looking at. This, in addition to the Home depot headstay with indoubtedly twists under the 500s torque.
scooter5002
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scooter5002 3/14/2013 7:00am
3/14/2013 7:00am
Hack. Plain and simple. Even on that latest version, you can see the gobs of birdshit weld he piles up on the frame. Too fuckin stupid to actually put some effort into having some mounts milled up. On a bike he ass rapes someone for the kind of money he does. Be interesting to know how much that dual muffler setup alters the power characteristics of the 500. Sochiro is probably rolling over in his grave.

Pit Row

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scooter5002
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scooter5002 3/14/2013 7:06am
3/14/2013 7:06am
mxracer816 wrote:
Fernco??? Really?? Sounds like my buddies ATC 200X turned MX200X, which is home built with whatever we could find that would work around my shop! Not...
Fernco??? Really?? Sounds like my buddies ATC 200X turned MX200X, which is home built with whatever we could find that would work around my shop! Not a AF500 that I pay someone to build for sure!
Perhaps your buddy and George are related. In case you missed it the first time, feast your eyes on the craftsmanship that is.............MPS. Don't worry about reading every page. Just the first should be enough.

http://www.vitalmx.com/forums/Moto-Related,20/Since-it-needs-no-further…
CR500Rider
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CR500Rider 3/14/2013 7:25am
3/14/2013 7:25am
CR500Rider wrote:
After seeing his intake tract "fabrication" I thought it wasn't possible to choke anymore power from a 500. I was wrong.
TerryK wrote:
You mean the Fernco sewer pipe fitting he uses?
Correct
peelout
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peelout 3/14/2013 8:34am
3/14/2013 8:34am
i've read through the other thread so i know this question just seems silly anyway...

but why in the world would any sane person put two silencers on a 500 2-stroke? wtf?

and that Fernco sewer fitting is downright blasphemy.
burn1986
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burn1986 3/14/2013 8:47am
3/14/2013 8:47am Edited Date/Time 3/14/2013 9:08am
Edited
Thomas Jefferson 3/14/2013 9:45am
3/14/2013 9:45am
peelout wrote:
i've read through the other thread so i know this question just seems silly anyway... but why in the world would any sane person put two...
i've read through the other thread so i know this question just seems silly anyway...

but why in the world would any sane person put two silencers on a 500 2-stroke? wtf?

and that Fernco sewer fitting is downright blasphemy.
Key word being sane. If you look at his welds and his headstays, you'd see he doesn't have a clue.

As human men, we tend to exaggerate to get our point across, and I am no different. But I do not think I am exaggerating when I say that I would not feel safe on one of this 500AFs at race pace on a legitmate MX track. But that's the beauty of 500 conversions. 99.9% of them go to non-serious old guys who ride them in fields.

For fuck's sake he doesn't even clock the motors right. The "Honda" logo on the clutch cover is usually going uphill.
4stroke4DWIN
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4stroke4DWIN 3/14/2013 10:01am
3/14/2013 10:01am
You can put lipstick on a pig and.........................................................it's still a goddamn pig. Just sayin
burn1986
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burn1986 3/14/2013 11:24am
3/14/2013 11:24am Edited Date/Time 3/14/2013 11:25am
4stroke4DWIN wrote:
You can put lipstick on a pig and.........................................................it's still a goddamn pig. Just sayin
You're sayin the 4-strokes are pigs? I don't know if pigs is the best word.
mjskier
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mjskier 3/14/2013 11:32am
3/14/2013 11:32am
peelout wrote:
i've read through the other thread so i know this question just seems silly anyway... but why in the world would any sane person put two...
i've read through the other thread so i know this question just seems silly anyway...

but why in the world would any sane person put two silencers on a 500 2-stroke? wtf?

and that Fernco sewer fitting is downright blasphemy.
One for each stroke.
4stroke4DWIN
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4stroke4DWIN 3/14/2013 12:11pm
3/14/2013 12:11pm
4stroke4DWIN wrote:
You can put lipstick on a pig and.........................................................it's still a goddamn pig. Just sayin
burn1986 wrote:
You're sayin the 4-strokes are pigs? I don't know if pigs is the best word.
No not at all lol, it was a dig that it's just a 2 stroke in a aluminium frame, just with lip stick Wink
DrSweden
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DrSweden 3/14/2013 12:12pm
3/14/2013 12:12pm
cwtoyota wrote:
I'm a two stroke guy I guess... I have a 125, a 250 and even a big bore 250 (295cc). I've ridden a home-built conversion ('02...
I'm a two stroke guy I guess... I have a 125, a 250 and even a big bore 250 (295cc).

I've ridden a home-built conversion ('02 CR250R with a 500 engine). That was a fun bike, but I can put in a more aggressive, faster lap on a bone stock YZ250 even at a big track like Pala Raceway.

I can relate to the guy who builds this at home from a blown up CRF250R he found for $600 on craigslist and a $1500 CR500R. It's a "cool" project.

What I don't understand is the guy who pays $11k-$16k to have someone rip up a brand new 450 and swap in a used two stroke engine.

I ride two strokes because they handle great and they're relatively cheap. If money were no object, I'd drop about $5k on lightweight parts and run a 450F with a bone stock engine and some A-Kit suspension.
I don't think there's a place for common sense in motocross what so ever, the whole approach, to ride a motorcycle in circles over fabricated obstacles is just insane to start with. Then we dress up in clown suits, crave for black rims and spend hundreds on sticker to promote companies we have no benefit from what so over. Spice that with some GoPro filming the madness, put the shit up on forums and get applauds for being somewhat mentally challenged. Silly

Sure we can discuss being less crazy etc. Apply logic in bike buy, but I think the whole approach if you don't race professionally is all about feeling/passion. No logic applies here. I love this madness of course, but I would newer try to apply logic in converting a good dirt bike to something less. I mean just the sound of 500 is worth the trouble, and most people sux as riders anyway!

Meanwhile I totally get your point though. Grinning
cwtoyota
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cwtoyota 3/14/2013 12:35pm
3/14/2013 12:35pm
Thomas Jefferson wrote:
Key word being sane. If you look at his welds and his headstays, you'd see he doesn't have a clue. As human men, we tend to...
Key word being sane. If you look at his welds and his headstays, you'd see he doesn't have a clue.

As human men, we tend to exaggerate to get our point across, and I am no different. But I do not think I am exaggerating when I say that I would not feel safe on one of this 500AFs at race pace on a legitmate MX track. But that's the beauty of 500 conversions. 99.9% of them go to non-serious old guys who ride them in fields.

For fuck's sake he doesn't even clock the motors right. The "Honda" logo on the clutch cover is usually going uphill.
When working with aluminum the area next to a weld is give or take abuot 50% as strong due to heat effect and stress risers.

Butt welding aluminum with 90 degree cut-joints is not strong. Just about every conversion I've seen is done in this way.

If you look at any stock bike you'll see they cut the tubing and components at big angles to increase the length of the weld and thus spread the stress out over a larger area. Most of those conversions just look sketchy to me.

This:

======||=======


is nowhere near as strong as this:

======//=======


Some places on the production bike frames even have a V cutline or diamond cut-line at the welds:

======>>======
yota
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yota 3/14/2013 1:09pm
3/14/2013 1:09pm
On my conversion Mike chamfered the joints plus extended the metal into the adjoining tube at each weld.



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