2005 Honda CR250R refresh, finished pics

WODirtCycles 11/7/2018 1:25pm
11/7/2018 1:25pm
I received some parts from powder coating: triple clamps, bar mounts, foot pegs. A Pivot Works steering kit replacement the old bearings.
WODirtCycles 11/7/2018 1:34pm
11/7/2018 1:34pm
Also the forks was repaired. New NOK seals, RT outer bushings and Bel-Ray 5w fork oil. The suspension was done by Factory Connection, I found some mods inside. All the parts was cleaned in a Safety-Kleen solvent.

WODirtCycles 11/7/2018 1:45pm
11/7/2018 1:45pm
I installed the cooling and electrical systems.


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WODirtCycles 11/7/2018 2:06pm
11/7/2018 2:06pm Edited Date/Time 11/26/2018 4:29am
As I change the carburetor from Mikuni to Keihin I need to made a new TPS wire harness.



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The Shop

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bbtr_736
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bbtr_736 11/7/2018 2:28pm
11/7/2018 2:28pm
Great build mate. Well done.
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agcarlson
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agcarlson 11/8/2018 4:57am
11/8/2018 4:57am
WODirtCycles wrote:
Before installing the piston I made this holes on it to cooldown the exhaust port bridge. The piston is a Pro-X "A". [img]https://p.vitalmx.com/photos/forums/2018/08/29/283875/s1200_05_CR250R_29.jpg[/img] [img]https://p.vitalmx.com/photos/forums/2018/08/29/283876/s1200_05_CR250R_30.jpg[/img]
Before installing the piston I made this holes on it to cooldown the exhaust port bridge. The piston is a Pro-X "A".

Nice build! looking good so far, I really like the black engine. Not trying to tell you how to do things but when using a wrench extension your gonna want to turn your torque wrench 90 degrees to prevent over torquing. Check out this youtube video for a better explanation https://www.youtube.com/watch?v=tv_KHH55qdQ. Anyway keep up the hard work!
1
Talisker
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Houston, TX US
Talisker 11/9/2018 1:14am
11/9/2018 1:14am
WODirtCycles wrote:
Before installing the piston I made this holes on it to cooldown the exhaust port bridge. The piston is a Pro-X "A". [img]https://p.vitalmx.com/photos/forums/2018/08/29/283875/s1200_05_CR250R_29.jpg[/img] [img]https://p.vitalmx.com/photos/forums/2018/08/29/283876/s1200_05_CR250R_30.jpg[/img]
Before installing the piston I made this holes on it to cooldown the exhaust port bridge. The piston is a Pro-X "A".

agcarlson wrote:
Nice build! looking good so far, I really like the black engine. Not trying to tell you how to do things but when using a wrench...
Nice build! looking good so far, I really like the black engine. Not trying to tell you how to do things but when using a wrench extension your gonna want to turn your torque wrench 90 degrees to prevent over torquing. Check out this youtube video for a better explanation https://www.youtube.com/watch?v=tv_KHH55qdQ. Anyway keep up the hard work!
Watched your youtube video. Its one of those little things you never think of. It make perfect sense now that i think about it. Thanks for the video.
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agcarlson
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agcarlson 11/9/2018 5:46am
11/9/2018 5:46am
doing the math works too lol just figured id share a little trick I have learned to save some time!
WODirtCycles 11/9/2018 9:34am
11/9/2018 9:34am
agcarlson wrote:
doing the math works too lol just figured id share a little trick I have learned to save some time!
I'm going to put it into practice in my next job., thank you!!
WODirtCycles 12/2/2018 10:04am
12/2/2018 10:04am
Now powder coated hubs are here, it's time to assembly the wheels.


2
macz400
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macz400 12/2/2018 10:11am
12/2/2018 10:11am
Nice work! I got an 18 CRF OEM 260mm front rotor and caliper bracket to run it on your CR. Let me know if your interested. Robinmac82@yahoo.com
WODirtCycles 12/2/2018 10:15am
12/2/2018 10:15am Edited Date/Time 12/2/2018 10:16am
I put a small amount of anti seize to prevent the rust in the spokes thread.




1
2Fmx
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2Fmx 12/4/2018 7:28am
12/4/2018 7:28am
bbtr_736 wrote:
Great build mate. Well done.
I would like to get more info on that carb mode you have done. Which Keihin Carb did you actually use and why? Did you have to modify the air boot as well? I have 02 cr 250, not sure how different it is to a 2005 carb/boot, but I've seen good few people swapping Mikuni for Keihin mainly of Keihin's easy to tune abilities especially in weather change. So i would like to give it a try. Thanks.
40
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40 12/4/2018 9:25am
12/4/2018 9:25am Edited Date/Time 12/4/2018 6:51pm
2Fmx wrote:
I would like to get more info on that carb mode you have done. Which Keihin Carb did you actually use and why? Did you have...
I would like to get more info on that carb mode you have done. Which Keihin Carb did you actually use and why? Did you have to modify the air boot as well? I have 02 cr 250, not sure how different it is to a 2005 carb/boot, but I've seen good few people swapping Mikuni for Keihin mainly of Keihin's easy to tune abilities especially in weather change. So i would like to give it a try. Thanks.
If you have an 02 CR250, you will need the long body variant Keihin PWK without throttle position sensor. These carbs were stock on 99 and 2000 CR250's and featured a screw on top design.
Newer carbs taken from a KX, RM or YZ are short body variants and usually have a throttle position sensor. These carbs will be too short for your application. The 04-07 CR250 uses the short body design with throttle position sensor. The 02-03 CR250 uses the long body design without the sensor. You need the long body.
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WODirtCycles 12/4/2018 12:57pm
12/4/2018 12:57pm
bbtr_736 wrote:
Great build mate. Well done.
2Fmx wrote:
I would like to get more info on that carb mode you have done. Which Keihin Carb did you actually use and why? Did you have...
I would like to get more info on that carb mode you have done. Which Keihin Carb did you actually use and why? Did you have to modify the air boot as well? I have 02 cr 250, not sure how different it is to a 2005 carb/boot, but I've seen good few people swapping Mikuni for Keihin mainly of Keihin's easy to tune abilities especially in weather change. So i would like to give it a try. Thanks.
Thank's bbtr. I have nothing to say about it, 40 tell you all the info that you need. I have only a picture of the carb that you need to install on 2001-2003 CR250Rs.
WODirtCycles 12/4/2018 1:13pm
12/4/2018 1:13pm
Today I finished the brakes. They are ready for new oil and bleeding.



WODirtCycles 12/4/2018 1:19pm
12/4/2018 1:19pm
ledger wrote:
Very nice bike, I noticed you have a Core decal in the background, there brake line's are high quality.
this is the problem that I was talking to you.

Pit Row

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ledger
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ledger 12/5/2018 7:26pm
12/5/2018 7:26pm
ledger wrote:
Very nice bike, I noticed you have a Core decal in the background, there brake line's are high quality.
WODirtCycles wrote:
this is the problem that I was talking to you. [img]https://p.vitalmx.com/photos/forums/2018/12/04/307435/s1200_DSC02998.jpg[/img]
this is the problem that I was talking to you.
That's a shame...Hello Galfer, lol. Great looking bike ! and attention to detail.
WODirtCycles 12/6/2018 6:03am
12/6/2018 6:03am
ledger wrote:
That's a shame...Hello Galfer, lol. Great looking bike ! and attention to detail.
I'll go to their website to study the construction of their brake hoses. Thank you! I'm trying to do my best I can.
1
DrSweden
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DrSweden 12/7/2018 3:23pm
12/7/2018 3:23pm
Nice work!
1
WODirtCycles 12/8/2018 10:29am
12/8/2018 10:29am
DrSweden wrote:
Nice work!
Thank you, I will try to do a big jump next week with this project.
WODirtCycles 12/15/2018 1:42pm
12/15/2018 1:42pm Edited Date/Time 12/30/2018 1:47pm
Finished the linkage and installed. I'm working in the swing arm.



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WODirtCycles 12/30/2018 1:45pm
12/30/2018 1:45pm Edited Date/Time 12/30/2018 1:49pm
Finally the swing arm is ready. I use Quick silver 101 grease for all the shafts and Bel-Ray waterproof for the bearings. The rear brake also filled with fluid and bleeded. The chain is a DID ERT3. I'm working in rear brake pedal.




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Dave_Hoelcher 1/7/2019 5:46pm
1/7/2019 5:46pm
You can use the Keihin PWKs w/TPS from these bikes (at least, from my notes):
01~11 YZ250 PWK (TPS)
02~08 RM250 PWK (TPS)
98~07 KX250 PWK (TPS)

TPS wiring:
YZ Keihin Bk: Mikuni Grn.
YZ Keihin Y: Mikuni Y/Bk.
YZ Keihin Bl: Mikuni Y/R.

KX Keihin Bk/Grn: Mikuni Grn.
KX Keihin R/Grn: Mikuni R/Y.
KX Keihin W/Bk: Mikuni Y/Bl.

To connect Kawasaki Keihin TPS to CR250 harness, use Sumitomo HW 3 pin connector to plug into Kawasaki Keihin TPS, & Sumitomo HM 3 pin connector to plug into Honda. Purchase from Eastern Beaver.

You could also use the PowerJet system on your bike if you're feeling adventurous....


1
Dave_Hoelcher 1/7/2019 5:52pm
1/7/2019 5:52pm
nascarnate326 wrote:
Is drilling holes in the piston a well known mod?
slammedmind wrote:
Yes, if grew up riding two strokes its a very common thing
And, not JUST common, but MANDATORY to cool the exhaust bridge & not seize the piston on the bridge. I usually chamfer the holes so the lube can easily spread out, too....
2
Mark_Lynch
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Allen, TX US
Mark_Lynch 1/7/2019 7:20pm
1/7/2019 7:20pm
Amazing build... Kudos to you sir. Hard to imagine the hours put in to this bike. I’m really impressed though with the knowledge and the skill it takes to take a bike to this level. Makes my little build look simple... haha. Well done!!
WODirtCycles 1/8/2019 4:46am
1/8/2019 4:46am
nascarnate326 wrote:
Is drilling holes in the piston a well known mod?
slammedmind wrote:
Yes, if grew up riding two strokes its a very common thing
Dave_Hoelcher wrote:
And, not JUST common, but MANDATORY to cool the exhaust bridge & not seize the piston on the bridge. I usually chamfer the holes so the...
And, not JUST common, but MANDATORY to cool the exhaust bridge & not seize the piston on the bridge. I usually chamfer the holes so the lube can easily spread out, too....
yo are right, I forgot to do it. The Keihin carb. is from a YZ250.

WODirtCycles 1/8/2019 4:59am
1/8/2019 4:59am
Mark_Lynch wrote:
Amazing build... Kudos to you sir. Hard to imagine the hours put in to this bike. I’m really impressed though with the knowledge and the skill...
Amazing build... Kudos to you sir. Hard to imagine the hours put in to this bike. I’m really impressed though with the knowledge and the skill it takes to take a bike to this level. Makes my little build look simple... haha. Well done!!
Thanks mate, I appreciate the feedback.
pCp 252
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pCp 252 1/8/2019 7:37pm
1/8/2019 7:37pm
Your shop looks well equipped. Build looks great too.

How does the nickel plated hardware hold up to wear? Footpeg mounts in particular I’m interested in. What about tool marks? Seems like a good solution.

Also, how do you like the Motorsports Products engine stand? Im going to upgrade from a wooden block and debating between the Fly stand or this one.

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