90's CR250 Frame

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7/8/2018 8:55 AM

I am building a 96 CR250. I'm interested in knowing the additional gusseting Honda did to the race bikes. If anyone has info or photos, It'll be greatly appreciated.

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7/9/2018 3:57 PM

Cradle/footpeg area, engine mounts, down tube to neck....just have your welder finish/ chase all the welds, alot of the welds are just spot/partial welds, complete all the welds... Have frame fully sandblasted before visiting your welder...I have done this to many frames. If you want even more strength, weld in a skid plate to tie in the cradle....these frames were pretty good in their day, but being 20 years old, it should be done if you plan on making it a solid rider.

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7/9/2018 4:02 PM
Edited Date/Time: 7/9/2018 4:03 PM

Awesome info. That is what is was looking for. I have a 125 and a 250 frame to do. They will be ridden quite a bit, so I think a weld in skid plate will be in order. What's your view on powder coating?

Thank You

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7/10/2018 6:20 AM

motodad - I've got a 96 CR250 that I plan on keeping and eventually going nuts on a build with.... If you could post some pics after fabrication and before powder, that would be killer. Good luck!

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Positively, absolutely 110% obsessed with anything MOTO.

7/10/2018 6:22 AM

btw, the stock paint code Honda used for white frames in the 90's is NH-138 Shasta White... if you care to have the powdercoater try to match that

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Positively, absolutely 110% obsessed with anything MOTO.

7/10/2018 8:48 AM

cmotodad wrote:

Awesome info. That is what is was looking for. I have a 125 and a 250 frame to do. They will be ridden quite a bit, so I think ...more

I powdercoat all my builds. I have a good local guy that is priced reasonably....I have rattled canned a few early on, not durable enough. After all the welding done on the frame it will need a full refinish... A good body shop can also do a good job refinishing the frame. Step 1: sandblast frame, inspect for cracks, chase/ inspect all threaded inserts, now is the time to make sure all threaded inserts are correct, you donot want to get frame all done & find your seat bolt insert is stripped. 2: take a sharpie & arrow all welds you want redone, review the process with your welder, this is also a good time to make sure your footpeg mounts & pin holes are tight, if sloppy, have them redone & redrill the pin holes. I also keep the engine mount bolts in the frame during welding to make sure to detect any warpage of lower rails. If you are going to have a slid plate welded in, before you have top coat applied, bolt bottom end or case into frame, so you can drill access hole for the oil drain bolt. 3. Off to have top coat applied. ...it adds time and a minimal amount of additional money, but when it is back from top coater, you will know you have done it correctly.

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7/10/2018 8:56 AM

This is an 89kx250 frame I have this process done on... Same principal... Photo
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7/10/2018 5:29 PM

Thank You for the photos. Wondering if the welded skid plate adds much stiffness to the chassis? I think it can use some more stiffness comparing it to aluminum framed bikes.

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7/10/2018 7:21 PM

I'm sure it stiffens the chassis, and that is the intent. Like you state, still likely not a stiff as the new alum. Or steel framed bikes.

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7/12/2018 2:40 AM

Here's an old article about HRC frame modifications :

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5/25/2020 6:28 PM

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