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Author Topic: El Diablo's LT500 Sub Frame  (Read 957 times)

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  • Mitch Keller
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El Diablo's LT500 Sub Frame
« on: October 14, 2012, 12:21:43 pm »
Brain ( El Diablo)  asked me to post his photos up of his new LT500 Sub Frames, They look Sweet!

Contact him for more information


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Re: El Diablo's LT500 Sub Frame
« Reply #1 on: October 14, 2012, 12:52:31 pm »
First question Brain, what is the weight difference between OEM and your Sub Frame?
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Re: El Diablo's LT500 Sub Frame
« Reply #2 on: October 14, 2012, 03:17:38 pm »
The new one is actually steel, not aluminum. It started off as a Honda 400EX part. After cutting my old frame & comparing it to the Honda part, it was about 5 lbs heavier. After all modifications were completed, i'm about 7 lbs lighter than when I started. Keep in mind that I had already done away with the rear fender, fender supports, & grab bar. I was already using a lightweight aluminum grab bar previously, so the bike was already pretty light (for a zilla) to begin with.

The hardest challenge to overcome was getting the geometry of the brake peddle & stock rear master cylinder to work together since I had to relocate the peddle mount about .75" further down the frame tube. After notching, bending, re-welding, & lightening the peddle, I then shortened & re-threaded the master cylinder pushrod & made a new master cylinder mounting bracket.

Other modifications included cutting 2" off the front half of the exhaust tubing where it meets up inside the pipe and welding tabs to the frame to mount the new removable sub-frame.  The main reason I did this was for better access to the back side of the motor / rear shock area. The added benefit was I saved a few lbs & I think it looks more unique.
Brian
1988 Suzuki LT-250R (The HPR test mule)
1987 Suzuki LT-500R
1990 Suzuki LT-500R
1982 Honda ATC-185S
1982 Honda ATC-250R

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Re: El Diablo's LT500 Sub Frame
« Reply #3 on: October 14, 2012, 04:33:05 pm »
What's the right side down tube stitched support for? Does it incorporate the mounting tabs for the brake m/c & reservoir?

Fully Sano...
87 HPR LT500
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85 & 86 LT250
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Re: El Diablo's LT500 Sub Frame
« Reply #4 on: October 14, 2012, 05:43:00 pm »
What's the right side down tube stitched support for? Does it incorporate the mounting tabs for the brake m/c & reservoir?

Fully Sano...


I'm actually looking for a bolt on reservoir to do away with the remote setup. The support was there from it's past Honda life. I have no idea what it is for.
Brian
1988 Suzuki LT-250R (The HPR test mule)
1987 Suzuki LT-500R
1990 Suzuki LT-500R
1982 Honda ATC-185S
1982 Honda ATC-250R

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Re: El Diablo's LT500 Sub Frame
« Reply #5 on: October 15, 2012, 11:44:50 pm »
the tubing from what i found was to reinforce that section of tubing, on a side note, if you check on flea bay, you can find those subframes cheap, $25!
1985 Yamaha Tri Z 250
2006 Suzuki LTR 450
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Re: El Diablo's LT500 Sub Frame
« Reply #6 on: October 16, 2012, 09:16:25 am »
What about a piece of brake hose for a rez? Then it can just be tied off on the frame. But a bolt on rez (like a hypermoto's clutch or front brake rez) would look cool.
1976 Yamaha TT500
1979 Yamaha TT500
1980 Yamaha TT500
1985 Yamaha YTZ250
1985 Yamaha YTZ250
1985 Honda ATC350X
1985.5 Yamaha YTZ250
1987 Suzuki LT265R
1988 Suzuki LT250R
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Re: El Diablo's LT500 Sub Frame
« Reply #7 on: October 16, 2012, 09:28:50 am »
Good job with the mod.

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Re: El Diablo's LT500 Sub Frame
« Reply #8 on: October 16, 2012, 09:58:34 am »
Thank you all. This bike is pretty much my rolling R&D test mule for chassis mods. I'm gonna take it out for a few shake down runs to see how everything holds up & I will let you guys know the results.
Brian
1988 Suzuki LT-250R (The HPR test mule)
1987 Suzuki LT-500R
1990 Suzuki LT-500R
1982 Honda ATC-185S
1982 Honda ATC-250R

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Re: El Diablo's LT500 Sub Frame
« Reply #9 on: October 16, 2012, 02:37:55 pm »
when you gunna cut the front end off it? lol
1976 Yamaha TT500
1979 Yamaha TT500
1980 Yamaha TT500
1985 Yamaha YTZ250
1985 Yamaha YTZ250
1985 Honda ATC350X
1985.5 Yamaha YTZ250
1987 Suzuki LT265R
1988 Suzuki LT250R
2002 Honda CR85RB
2005 Honda TRX450R
2007 Honda TRX450ER

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Re: El Diablo's LT500 Sub Frame
« Reply #10 on: October 16, 2012, 08:53:23 pm »
let go race again, this time it will be lt 500 vs yamaha tri z hahaha
1985 Yamaha Tri Z 250
2006 Suzuki LTR 450
2011 Suzuki Hayabusa

 

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