YFZ 450 R1 build - Page 2 - Yamaha Raptor Forum
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post #11 of 83 (permalink) Old 01-31-2012, 11:35 PM Thread Starter
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Did some work tonight and got the rest of the frame cut out, as soon as the sprockets show up from PBI I'll start on the motor install [IMG][/IMG]
More Craigslist goodies needed to do the swing arm conversion to the round style carrier Sprockets showed up from PBI


Last edited by richardmata; 02-01-2012 at 09:28 PM.
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post #12 of 83 (permalink) Old 02-03-2012, 04:48 PM Thread Starter
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decided that making a motor stand would take to much time and used some blocks instead
baby's got back!!

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post #13 of 83 (permalink) Old 02-03-2012, 05:02 PM
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Nice! I'm jealous waiting for my parts. I'm kinda on hold til I get them ugh

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post #14 of 83 (permalink) Old 02-06-2012, 06:23 PM Thread Starter
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Stretched the front 3"
Notched my frame tube to allow for a better weld joint (I'm broke used a grinder) I'm using 4130 so I only tacked it with my MIG machine, I will take my frame in and have every thing TIG welded


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post #15 of 83 (permalink) Old 02-08-2012, 12:19 PM Thread Starter
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headed down to home depot yesterday and bought some 1/8" rod so I could mock up some things before I started cutting tubing, originally I was going to have the tubing mandrel bent to butt into the front of the frame, to save some money I think I might do what is pictured ((the round rod represents 1" 4130 tubing))

The final product would be symmetrical unlike in the picture where I just roughed it, I was concerned about it looking boxy but with the a-arms on I think it'll look good


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post #16 of 83 (permalink) Old 02-09-2012, 02:24 PM
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I can't tell....are u attaching the frame, engine, and swinger all on the same mount? I can't tell where the back engine mount is

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2006 yammy raptor 700r (currently) boasting a Hot Rods stroker cam, high compression pistons, and port polished heads with exhaust and k&n filter. pc5, fuel injection is a beautiful thing!


in progress: 2005 ZX10 engine install
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post #17 of 83 (permalink) Old 02-09-2012, 04:35 PM
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Looks like it will be one bad quad. How much power dose that R1 motor make?

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post #18 of 83 (permalink) Old 02-09-2012, 07:34 PM Thread Starter
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Quote:
Originally Posted by Slo7hundo View Post
I can't tell....are u attaching the frame, engine, and swinger all on the same mount? I can't tell where the back engine mount is
There are two back engine mounts one is located at the bottom where I welded on the 1.25" tubing (I'll weld tabs onto it) and the other back motor mount is about 2/3 of the way up the frame from the swing arm mount (again I will weld in a tube with tabs)

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post #19 of 83 (permalink) Old 02-09-2012, 07:37 PM Thread Starter
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Quote:
Originally Posted by 700scott View Post
Looks like it will be one bad quad. How much power dose that R1 motor make?
it's a 05 R1 motor so they make 172hp at the crank but I plan on running a custom intake and exhaust manifolds and a PC5 so it should put down some more

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post #20 of 83 (permalink) Old 02-09-2012, 10:40 PM
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it's a 05 R1 motor so they make 172hp at the crank but I plan on running a custom intake and exhaust manifolds and a PC5 so it should put down some more
Take that number and then take away about 15%-20% from the total. Once you take it from a free spining wheel on an axle and put it through a carrier an axle and 2 tires you lose a little. Anywhere from 140-150hp would be my guess. Mine 01 R1 quad put down 120hp and 70ft tq. It was a race preped motor that put down 150 in the race bike. Other things will also effect this like chain selection. An o-ring will last longer but you'll lose 3-4hp using one.

And after all of that you have more then enough to scare the shit out of yourself. Trust me!

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