Looking for all 411 on '86 CMX450 - Honda Rebel Forum
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post #1 of 7 Old 06-10-2019, 05:25 PM Thread Starter
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Looking for all 411 on '86 CMX450

Great Forum! I've gleaned this section of the forum trying to avoid requesting info that's already been requested 100's if not 1000's of times but find myself chugging through lots of data for very little harvest. So, here goes my first post.

My son bought an '86 CMX450 about 4 years ago. It was pretty chopped up with a lot of gerry rigged parts. He rode it only a handful of times and then gave up on it. Now that he has a brand new '19 HD. He was going to toss it so I grabbed it to put it back on the road to be admired the way it ought to be. I have two daughters who will have their endorsement soon so I'm sure they will love cruising the 450 in our family pack rides (10 bikes in all).

In order to have this bike ready for this year I need to take the fast track on finding the important information a new 450 owner could use to restore from "junk" to as near stock as possible.

The Sticky's in this section for the wiring diagram and for the specs were great. The Sticky for the parts fiche had two broken links, one to a pdf and one to a doc. Both links return a 404 error.

Please share your 411 (information) with me that you found helpful when restoring your 450.

Information Like:
  • Where is the best place to find parts? (NOS, OEM & Aftermarket)
  • What service manuals are available? (IBN please, not just the publisher)
  • Who has the best diagrams?
  • What obstacles am I going to encounter that are best resolved by "just accepting it"? (For example: you are not going to find a 450 fuel tank. Buy the aftermarket 3.4 and modify the mounts.)
  • What parts DO successfully swap between the '86 250 & 450? (There seems to be varying opinions on this because one post says "nothing"; another says "only the turn signals"; and yet another says "most peripheral items but nothing frame or engine". I ask this question specifically because I am able to get a 250 in great cosmetic shape (seat, mirrors, lights, pedals, tank, etc.) but the engine is blown. Should I buy it before it's gone?
  • What other valuable information did you need that you wish someone told you up front?

Thanks for the help guys!
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post #2 of 7 Old 06-10-2019, 06:32 PM
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My 2 sense:

Where is the best place to find parts? (NOS, OEM & Aftermarket) Jacks Rebel Warehouse, Ebay, Craigslist, etc. I have had some cool scores on Ebay from MC shops going out of business and selling NOS. I search all the time and have had success. Parts for these bikes are not as uber-rare as most people (namely non-450 riders) convey.
What service manuals are available? (IBN please, not just the publisher) Get the Honda Factory Service Manual. Clymer's is good and has more additional info for the home mechanic, but covers other 400-450cc Hondas so you need to make sure you are referencing the proper section. Kinda easy b/c the 450 is almost its own 'species' in there and easily separated out.
Who has the best diagrams? I reference the service manual and also the exploded diagrams on MC parts websites like Bike Bandit.
What obstacles am I going to encounter that are best resolved by "just accepting it"? (For example: you are not going to find a 450 fuel tank. Buy the aftermarket 3.4 and modify the mounts.) None, don't give up your search. I have scored full running bikes for well under 1k, there's all the parts you need! Putting word out (here, FB) can get results. I have made some awesome 450 parts scores simply by checking sites like the news.
What parts DO successfully swap between the '86 250 & 450? (There seems to be varying opinions on this because one post says "nothing"; another says "only the turn signals"; and yet another says "most peripheral items but nothing frame or engine". I ask this question specifically because I am able to get a 250 in great cosmetic shape (seat, mirrors, lights, pedals, tank, etc.) but the engine is blown. Should I buy it before it's gone? No. The 250 and 450 are different bikes. They are only share the name Rebel. You can adapt parts and accessories from almost any bike to fit with some ingenuity, but there are no direct parts that swap with the 450 from the 250, maybe the handlebars, they are both 7/8"
What other valuable information did you need that you wish someone told you up front?Well....: Use the proper tools for the job-toss those vise grips, buy a torque wrench and good tools, buy a multimeter and learn how to use it for elec diagnoses, Put on a $1 in-line fuel filter, tune your bike yourself (oil, valve adj, SP's filters, etc.), do not use high octane gas (waste), measure twice cut once, read the whole procedure twice before you start, ATGATT (falling sucks, but you want to be able to get up!), do not use regular charger for lithium batteries, Keep your brake system tunes/replace pads, check/replace your chain/sprockets if worn, I use JRW for carb cleaning and starter rebuilding if needed. I think he does calipers as well, but I did mine myself. I use Spectro Semi Synthetic 20w50 in my bikes and change it ~50 miles before storage every year. Jack B. (the other Jack at JRW) educated me about the 450 liking the 20w50 oil a long time ago and ever since I started using it my bikes run better (to me). It is the only oil I will use in my 450's. I am sure I forgot a few things.

This forum (and the old Rebel250.com) is where I got a lot of my knowledge from, lot's of good advice and guidance here, welcome home my friend!

Where are you?
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'86 CMX450 Gin-ba
'87 CMX450 Kuro
'86 CMX450 Tabo
'90 CB-1 Seishin
'86 CMX450 Uki
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post #3 of 7 Old 06-10-2019, 06:38 PM
 
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Jacks Rebel Warehouse has parts for your Reb. When buying brand new parts I try to stay local.
Jack's Rebel Warehouse - Rebel Catalog, Honda Rebel parts and accessories

I got lucky, my 450 came with a service manual. 86CMX450C Manual, unfortunately there is no ISBN number. I consider this manual the best for info and the drawings look just like the part.

As for what parts will swap out between Rebs, Jacks is the best to ask! I was surprised to find that foot pegs for the 250's don't all swap out...
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MC.com ruined this forum

bye, bye
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post #4 of 7 Old 06-10-2019, 06:53 PM
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Quote:
Originally Posted by Guba View Post
I was surprised to find that foot pegs for the 250's don't all swap out...
FYI the foot pegs for 90's GL500's swap in nicely and I call them floor pegs because they have a nice ~3x4" platform.

Readily available for cheap on the 'bay

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'86 CMX450 Gin-ba
'87 CMX450 Kuro
'86 CMX450 Tabo
'90 CB-1 Seishin
'86 CMX450 Uki
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post #5 of 7 Old 06-10-2019, 10:27 PM Thread Starter
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Thanks DNC! Good info. It looks like you have quite the heard of ponies to show you know of which you speak too. I hope you'll stick around to help me from time-to-time on this thing. Thankfully, I'm fully equipped in the tool department including wheeled lifts and modified engine stands for MC motors. I have also heard the same thing about Spectro 20/50. Maybe it was one of your previous posts.

I live about a half an hour SE of Columbus, OH. Thanks for reminding me I need to get my profile setup.
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post #6 of 7 Old 06-10-2019, 10:36 PM Thread Starter
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Thanks Guba! I bookmarked the link right under www.hondarebelforum.com. I clicked on the CMX450 link and was surprised to see several of the items say "250/450". To me that means the part fits both the 250 and 450 models. E.g. the front and rear turn signals...interesting.
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post #7 of 7 Old 06-11-2019, 06:50 PM
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I do a lot of rebuilding of the 450 rebel. I usually get them for $300 to $500 each and take them all apart and rebuild the starter clutch and check everything to make sure it is within tolerance.
If you look at my garage you can see the one I am done with.
If you have any questions I might be able to help also.
Have a good day

Ride Safe
Keep the rubber side down and the shiny side up
1986 450 Rebel
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