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Old 09-08-2009, 02:41 PM   #1 (permalink)
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xr100/yz85 conversion

hi everyone, my name is troy, first post here. grabbing a yz85 from a friend today. already have a 89 xr100 for the motor. its gonna be a stock motor for a bit, then im getting the kitaco 145 stroker kit. doing some planning, anyone have any ballpark jetting specs for the yz85 carb on the 145 kit? head pipe starting and ending diameters and final can diameter?
and does the klx airbox boot flow enough ( incase the stock boot doesnt work) ? and i saw that daytona has an outer rotor kit so i can get rid of the points ignition. thanks in advance for any help.

Last edited by c&c rhino; 09-15-2009 at 08:51 PM.
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Old 09-08-2009, 03:35 PM   #2 (permalink)
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Re: xr100/yz85 conversion

I may be able to help with your outer rotor kit project Save some you some chips, over the real deal
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Old 09-08-2009, 04:03 PM   #3 (permalink)
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Re: xr100/yz85 conversion

i saw that thread on thumpertalk. let me know some more details.
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Old 09-08-2009, 05:40 PM   #4 (permalink)
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Re: xr100/yz85 conversion

Details aren't set in stone yet $. I haven't had much feedback at TT. kind'a of a good thing, the "TT po po" frown upon personal sales.

I've been holding off, on a small production run of plates. The last plate was a final proto type. I already have 10 CNC spun oil seals. Work'n with a machine shop for custom woodruff keys. To go from the smaller points style crank key way to the larger late model CDI. Similar to the Engine Only's keyway.

My ORK was purchased from Tbolt for about $100. This backing plate is designed for Lifan replacement/Daytona style. However, the new one advertised on the Tbolt site, looks to be of the Pister Pro version? I have seen the Daytona style ORK on the SGR site sgr-usa.com

As it sits, I'm Work'n on the funds for small production run.

Kit will require:

Lengthening the stator wires for CDI box
Fabricate mounting bracket for CDI box
Reroute wires pathway, behind the stock ORK's backing plate.
Scribe new TDC on the flywheel.

Kit will include:

Flow jet cut Backing Plate
All mounting hardware, accept CDI box brackets and hardware
CNC oil seal bushing
New Honda crank shaft Oil seal, and O ring
Timing Degree tape/sticker for flywheel, 0-35 degrees
TDC timing pointer for accurate timing adjustment

Need some time still to pull all of this together. But, It's real close...
I'll keep you/all posted.


All the best with your Conversion build
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xr100/yz85 conversion-ork3.jpg   xr100/yz85 conversion-2008_0816test0012.jpg  

Last edited by gman; 09-08-2009 at 05:45 PM.
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Old 09-08-2009, 10:53 PM   #5 (permalink)
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Re: xr100/yz85 conversion

keep me updated for sure. thanks for the info.
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Old 09-15-2009, 07:29 PM   #6 (permalink)
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Re: xr100/yz85 conversion

anyone need a 89 xr 100 roller? im in lake elsinore, ca.

Last edited by c&c rhino; 09-15-2009 at 08:52 PM.
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Old 09-15-2009, 07:32 PM   #7 (permalink)
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Re: xr100/yz85 conversion

Troy,
I had an Xr100/cr80 conversion a couple years back. I had the most fun on that bike.

Shoot some photos as you go. Kj
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Old 09-15-2009, 07:40 PM   #8 (permalink)
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Re: xr100/yz85 conversion

will do. im stripping em both down in a few minutes.
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Old 09-15-2009, 07:41 PM   #9 (permalink)
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Re: xr100/yz85 conversion

also i think im gonna make an aluminum tank so i can narrow it down a bit.
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Old 09-15-2009, 08:02 PM   #10 (permalink)
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Re: xr100/yz85 conversion

first pic.
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Old 09-18-2009, 09:02 PM   #11 (permalink)
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Re: xr100/yz85 conversion

a little work.
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Old 09-19-2009, 11:27 AM   #12 (permalink)
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Re: xr100/yz85 conversion

It's coming together nicely.
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Old 09-19-2009, 11:42 AM   #13 (permalink)
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Re: xr100/yz85 conversion

Almost looks like its possible to keep the upper YZ cross brace???
Unlike CR conversions...

Look'n good!
keep the conversion porn cum'n! lol
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Old 09-19-2009, 12:02 PM   #14 (permalink)
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Re: xr100/yz85 conversion

its gonna be way more simple to run the down tube lower for the motor mounts. so thats what im gonna do. grabbing some tubing today. i already have the 1 1/2" for the downtube. i dont normally use 3/4" .095 or 7/8" .095 so off to aircraft spruce. and now im making an aluminum airbox as well as the tank.
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Old 09-19-2009, 12:07 PM   #15 (permalink)
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Re: xr100/yz85 conversion

Keep us updated!
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Old 09-19-2009, 12:17 PM   #16 (permalink)
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Re: xr100/yz85 conversion

nice project but wouldnt the 85 2 smoker slaughter an xr100 motor?
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Old 09-19-2009, 04:20 PM   #17 (permalink)
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Re: xr100/yz85 conversion

dude post some pics of that rhino in the background
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Old 09-19-2009, 04:32 PM   #18 (permalink)
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Re: xr100/yz85 conversion

its nothing special. my stocker kawi, i put a cage on it for a few monster jam races. here's my last race rhino, i sold the drivetrain, its getting a streetbike motor.
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Old 09-23-2009, 08:47 AM   #19 (permalink)
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Re: xr100/yz85 conversion

Quote:
Originally Posted by c&c rhino View Post
anyone need a 89 xr 100 roller? im in lake elsinore, ca.
I'm interested in the roller? How much?
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Old 09-23-2009, 05:23 PM   #20 (permalink)
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Re: xr100/yz85 conversion

i dont know 50 bucks sound ok?
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