AlisoBob's Gen 4 A/F Conversion

TJC510 · Post by **TJC510** » November 1st, 2007, 2:34 pm

looks very nice.

im looking forward to see this completed. i bought a 2005 crf250r to put my cr500 motor into this winter.

Post by **AlisoBob** » November 1st, 2007, 2:39 pm

You will be delighted on how straight foreword it is!

ShanMan · Post by **ShanMan** » November 1st, 2007, 2:50 pm

AlisoBob wrote:Senior Billys is fitted, and only needs welding...

It will be shipped very soon!

I am taller than you!

Uh yeah....that puts me onto a rather long list there P. Bunyan!

HrcRacing · Post by **HrcRacing** » November 1st, 2007, 3:21 pm

Looks very clean/factory Bob. Just curious, did you or are you going to have it heat treated?

Post by **AlisoBob** » November 1st, 2007, 4:59 pm

Naaaa.... the heat effected zones are very small...

I think it will be ok...

Some of it was welded with 5356, some with 4043.

He said that 5356 generally is stronger and more ductile than 4043. But 4043, which contains 5 percent silicon, typically flows better, is more crack-resistant, easier to weld with, less prone to weld smut, and yields a more aesthetic weld.

Its all past my knowledge of welding...

Ported&Polished · Post by **Ported&Polished** » November 1st, 2007, 9:58 pm

CLEAN JOB! Here is what you do next. You get some custom gaphics that say Service Bobnda with a small wrench pictured. Then a name plate with serial number 000000001.

You then GET a patent on the term A/F, and force your will on anyone that tries to infringe. Of course it will be mandatory that you start misspelling everything you write, and use horrible punctuation, and the obligatory question mark after ever sentence.

HrcRacing · Post by **HrcRacing** » November 1st, 2007, 10:26 pm

AlisoBob wrote:Naaaa.... the heat effected zones are very small...

I think it will be ok...

Some of it was welded with 5356, some with 4043.

He said that 5356 generally is stronger and more ductile than 4043. But 4043, which contains 5 percent silicon, typically flows better, is more crack-resistant, easier to weld with, less prone to weld smut, and yields a more aesthetic weld.

Its all past my knowledge of welding...

You and me both Bob. Regardless, it looks great!

Post by **AlisoBob** » November 1st, 2007, 10:44 pm

Ported&Polished wrote:CLEAN JOB! Here is what you do next. You get some custom gaphics that say Service Bobnda with a small wrench pictured. Then a name plate with serial number 000000001. You then GET a patent on the term A/F, and force your will on anyone that tries to infringe. Of course it will be mandatory that you start misspelling everything you write, and use horrible punctuation, and the obligatory question mark after ever sentence.

*shrugs*

lewisclan · Post by **lewisclan** » November 2nd, 2007, 7:15 am

fricken awesome Bob

lewisclan · Post by **lewisclan** » November 2nd, 2007, 7:17 am

will you be riding it @ Dumont ?

Post by **AlisoBob** » November 3rd, 2007, 1:19 pm

Some more "teaser " shots..

Had to profile the rear case for my fatboy spring...

Some bling the kids gave me for my birthday..

I'm working on the fuel tank issue today. That, and the headstay..and its time to ride!!

Rosco-Peeko · Post by **Rosco-Peeko** » November 3rd, 2007, 7:13 pm

Looks good Bob!

Is that a blob of grease I detect in one of the pictures?

Post by **AlisoBob** » November 3rd, 2007, 7:34 pm

Tanks is going to be a hassle, switched gears and did the air box instead.

I used a 3/8" thick piece of phenolic plate and basically made a spacer that does two things..

1. Covers original cutout of 4 stroke boot.

2. Provides flat surface in the proper position to reattach CR500 airboot.

The stock airboot fits perfect, hugs the shock nicely, wasent reshaped with heat ( the boot will always "remember" its original shape), and provides the proven airflow capacity that the motor needs.

Heres a "during construction" shot to show the shock clearance.

Post by **AlisoBob** » November 3rd, 2007, 7:35 pm

Rosco-Peeko wrote:Looks good Bob! Is that a blob of grease I detect in one of the pictures?

Belray's finest....

mxracr121 · Post by **mxracr121** » November 3rd, 2007, 8:46 pm

AlisoBob wrote:Tanks is going to be a hassle, switched gears and did the air box instead.

.

Would the tank be as hard if it was an "R" model? I'm sure you want the extra capacity, but maybe the smaller tank will get you riding faster.

zorak-2 · Post by **zorak-2** » November 3rd, 2007, 9:22 pm

Damn Bob I am freaken jealous that is an awsome looking job. When will it be done? I have a line on an 01 250 roller but needs some work I'm not sure yet.
Lets get together and ride.

doug

Post by **AlisoBob** » November 3rd, 2007, 10:03 pm

zorak-2 wrote: Lets get together and ride.

doug

No Shit..... I miss tearing it with you too Doug..

Stop and pick up Ellett on your way down!!!

http://www.bannedcr500riders.com/board/ ... ight=zorak

Post by **AlisoBob** » November 4th, 2007, 1:37 am

mxracr121 wrote:
Would the tank be as hard if it was an "R" model? I'm sure you want the extra capacity, but maybe the smaller tank will get you riding faster.

I am taking it down to the dealer to compare them... We think alike Billy!

iggys-amsoil · Post by **iggys-amsoil** » November 4th, 2007, 10:58 pm

Dude! When we got to Osborne Over Look, Brit and Jay said they only had a 1/4 tank left from there 1.9. Better look into Clark or IMS and be done with it.

Post by **AlisoBob** » November 5th, 2007, 7:14 am

The high capacity tanks extend downwards... not an option with the 500 engine...

dannygraves · Post by **dannygraves** » November 5th, 2007, 8:41 am

yeah, you guys saw what happened to my IMS...

I'm still bummed about that...

MTNielson · Post by **MTNielson** » November 5th, 2007, 9:56 am

I built an '03 CRF450 / 500 conversion. I think the gas tanks are similar, I had both the stock tank and a Clark oversized tank. They both looked like they needed the same amount of work to modify. So I did the Clark.

I ended up blocking off the original fuel outlet with aluminum plate and put a fitting on the back. ( On the clark it was also the lowest point anyway.)

If you have more pictures of your airbox I'd like to see them, I used the 450 boot stretched. Have not had a problem but also I've never really liked the idea.

Thanks

TJC510 · Post by **TJC510** » November 5th, 2007, 1:15 pm

AlisoBob wrote:
mxracr121 wrote:
Would the tank be as hard if it was an "R" model? I'm sure you want the extra capacity, but maybe the smaller tank will get you riding faster.
I am taking it down to the dealer to compare them... We think alike Billy!

from what i have looked at the "x" bikes and my "r", the bottom on the tank is identicle. these were not out, but on the bike. it might look different if they were out.

i read somewhere clarke will send you a tank with out the petcock drilled, so you can move it to a spot that will work better.

Post by **AlisoBob** » November 5th, 2007, 1:44 pm

This is a "R" tank... it appears to be missing the lower <Sump> that the "X" tanks has.... which is the area causing all the problems....

X tank

redridermv · Post by **redridermv** » November 5th, 2007, 2:29 pm

Bob, The x gas tank has become a major issue for me. I was hoping IMS would be the answer but looking at this post it looks like maybe not.
On Saturday I hit reserve at 19 miles on the odometer and after 4 more miles straight back to camp I was almost out of fuel.

Keep in mind that this was a pinned WFO "try your best to keep up" kind of ride in the big bowls of glamis but damn it sucked to be the reason to head back to camp. I really need to look into fuel options.

BannedCR500Riders.com

AlisoBob's Gen 4 A/F Conversion