Custom build Rebel 250 - Honda Rebel Forum
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post #1 of 32 Old 10-04-2019, 03:00 AM Thread Starter
 
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Custom Rebel Build

Hello all...thanks for having me.
I rescued a 1986 Honda Rebel cmx250c from the boneyard, and I have been working on it for several months now. I'm no stranger to bikes by any means nor fabrication and mechanical. However, this is my first Rebel, and I've gotten A LOT of information from you all on here...so I thank you for that. I run in to this page so often, I just decided to join finally and pay my attributes.
This build I'm doing is pretty on depth, with extended swingarm, custom tank, fenders, modified Keihin carb, etc etc...I hope I can give back something to you all someday, with any advice or help. Thanks again.
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1986 Rebel CMX250
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post #2 of 32 Old 10-04-2019, 06:53 AM
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Welcome! We'd like to see some pics!

1985 CMX250 ... 1986 CMX450 ... 2005 Ruckus 50
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post #3 of 32 Old 10-04-2019, 09:20 AM
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Welcome to the forum. Sounds like you have some serious skills! Like 01-7700, pics would be nice.

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
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post #4 of 32 Old 10-04-2019, 04:24 PM Thread Starter
 
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Custom build Rebel 250

Hello again. I'll try and add pictures as I build this bike. Winter is closing in here in Nebraska, so I'll be putting in some hours on this Rebel. This bike was a freebie from a boneyard, that I rescued, in non running condition. I honestly didnt think it would even light a bulb. But after pulling the tank, and rebuilding the carb, throwing a better in it, it fired right up and sat and idled. Thanks again for looking, and thanks for the warm welcome. There was an old commercial back in the day, that said "You meet the nicest people, on a Honda"....Anyone? Lol
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1986 Rebel CMX250
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post #5 of 32 Old 10-04-2019, 04:30 PM Thread Starter
 
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Quote:
Originally Posted by flitecontrol View Post
Welcome to the forum. Sounds like you have some serious skills! Like 01-7700, pics would be nice.
I'll start with 01, and work my way through the rest...I do have a bunch tho.

1986 Rebel CMX250
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post #6 of 32 Old 10-04-2019, 04:42 PM Thread Starter
 
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Please forgive me, I'm not forum savvy lol.
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1986 Rebel CMX250
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post #7 of 32 Old 10-04-2019, 05:56 PM
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Originally Posted by Drapedog View Post
Please forgive me, I'm not forum savvy lol.
no problem - best not to create new threads for the same topic

i merged your 2 threads into this one

...

nice looking stretch

1985 CMX250 ... 1986 CMX450 ... 2005 Ruckus 50
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post #8 of 32 Old 10-04-2019, 06:38 PM
 
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Welcome

Interesting, looks a little harsh on the tail bone..

yea, the Rebel is almost indestructible.

96 VS800 Intruder (sold 2018 ), 87 CMX250C Rebel,
79 CB400 Hawk (sold 93), 75 CB350 (sold 83), 71 CB350 (stolen 74)
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post #9 of 32 Old 10-04-2019, 08:25 PM Thread Starter
 
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Well here we go. Sorry if this can of worms had already been opened...
I modify, and cant leave well enough alone. I think most of you will know where I'm going with these pictures. Wypo torch tip cleaners, mic out at .39/1.38 and they vary in sizes. This set worked perfectly for boring the Slow jet and Main jet. Also there is a guy on YouTube that states that the needle washer should be a #4. I've found that its actually a #3. The #4 mics out at .75/80 and the #3 at .40/45mm in thickness..Diameters are #4 at 8.6mm and #3 at 6.2mm, which suits the needle seat better imho, Which my Rebel prefers.
The airbox was gone, and now pipes will be wide open. So far, it loves the extra fuel.
I worked my way up to the main jet bore to 1.38mm. The slow was a different story since the smallest tip cleaner was .39mm. There is a solid piece of brass about midway through the slow jet, about 3/16 thick, with a factory. 35 hole in it. I used a drill bit that was .70 and got close without poking through, then bored through the rest of the way with the .39 cleaner. Took some time.
My experience with these types of jets is that the factory holes are so small, some being. 25, is they plug up extremely easy, and the smallest particulates clogging them up, and that's why these small bikes are always having start and idle issues.
.39 isn't much bigger, and I'm not looking for fuel economy...so I play on. Haha...well anyway...hope this helps someone that's interested.
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File Type: jpg 20191004_165759_1570230802433.jpg (185.8 KB, 6 views)

1986 Rebel CMX250
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post #10 of 32 Old 10-04-2019, 11:21 PM
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I've put over 50,000 miles on Rebels and never had a carb "plug up". I did have to clean the carbs as the POs had let them sit with gas in them. But once clean, there were no issues.

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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