collapse

www.dimecitycycles.com


www.restocycle.com

www.MajureDesigns.com

www.CITYLIMITMOTO.com

www.jadusmotorcycleparts.com

www.racingsmith.com

www.bisonmotorsports.com

www.speedmotoco.com

www.cognitomoto.com

www.townmoto.com

www.sparckmoto.com

www.Moto-Madness.com

www.pistonsociety.com

QUESTIONS ABOUT THE SITE? TROUBLE REGISTERING? ADMIN@DOTHETON.COM

Author Topic: 81 CM400 Resurection  (Read 21576 times)

Offline tsbigdog

  • Posts: 197
81 CM400 Resurection
« on: Feb 07, 2011, 23:58:43 »
Hey everyone,
 
This my first project and it's keeping me quite busy.  As you can tell from the pics I've got plenty of work ahead of me.  Sorry I didn't take any pictures of the bike when I first got it.  I guess I didn't have much time.  I tore into it right away.  It was such a mess that I threw away a bunch of parts.  I should have checked out this site first as I probably would have salvaged some of it.  Anyway I've been learning a lot working on this and now it's starting to get fun.  I did have this posted on another site, but they kinda frown on these bikes so I decided to try here.  You guys seem more receptive to all kinds of bikes. 
 
Here's some photos of what it looked like when I tore it down.
 

 

 

 
And here's where I'm at now...
 
 

 

 
 

 

 

 
I'm finding the biggest pain is trying to figure out what bolts go where and what happened to some of my parts.  I tore this thing down a couple of years ago and it just sat for a while.  I labeled a lot of stuff when I broke it down but I can't believe how much I seem to have missed (or unknowingly tossed  ??? ).  I will definitely be more diligent about that next time.  I know I threw out some stuff but I am missing things that I know I kept.  Oh well thank god for Epay.
 
What do you guys think?  I decided not to go with the clubmans because I don't plan on putting rear sets on this bike.  I think it would be too uncomfortable and not really necessary.  I picked up those chrome european bars and I think they look good.  They fit nice and don't hit the tank. 
 
I'll hit you guys up with some questions soon.
 
 
 
 
 
« Last Edit: Jul 12, 2013, 16:24:42 by tsbigdog »
Most motorcycle problems are caused by the nut that connects the handlebars to the seat.

81Honda CM400e http://www.dotheton.com/forum/index.php?topic=22478.0
78 Yamaha XS400 - Sold

Offline Maritime

  • DTT SUPPORTER
  • *
  • Posts: 8266
Re: 81 CM400 Resurection
« Reply #1 on: Feb 08, 2011, 10:28:46 »
GO to bikebandit.com they have exploded parts fiches with where all the parts go.  Helps a bunch when you can't remember what goes where.  I have a bunch of spares for the CM if you are missing some parts.
 
Cheers,
 
Maritime
The GL Rebirth: http://www.dotheton.com/forum/index.php?topic=68337.0
CX500 Low budget Bobber : http://www.dotheton.com/forum/index.php?topic=43617.0
"Beer makes you feel the way you ought to feel without beer" -Henry Lawson
"Beer is proof that God loves us and wants us to be happy." - Thomas Jefferson

Offline tsbigdog

  • Posts: 197
Re: 81 CM400 Resurection
« Reply #2 on: Feb 08, 2011, 10:35:10 »
Right now I'm trying to get the center stand on correctly.  The bike is an "E" model so it didn't come with one.  I picked one up and mounted it, but I can't figure out where the spring is attached.  It also came with a large "C" shaped bracket that I can't figure out where it goes.  I have the manual and it doesn't show installation/removal instructions for it.  I did check Bike Bandit and it didn't help in this case.  Any ideas?
Most motorcycle problems are caused by the nut that connects the handlebars to the seat.

81Honda CM400e http://www.dotheton.com/forum/index.php?topic=22478.0
78 Yamaha XS400 - Sold

Offline Maritime

  • DTT SUPPORTER
  • *
  • Posts: 8266
Re: 81 CM400 Resurection
« Reply #3 on: Feb 08, 2011, 11:02:55 »
Ha ha, I had the same problem, Took me 3 tries to get mun e back on.  Since yours is an E you may neet to eld a hook on the frame for the spring.  If I can get to my shed I will try and get a pick of mine for you to help you out.
The GL Rebirth: http://www.dotheton.com/forum/index.php?topic=68337.0
CX500 Low budget Bobber : http://www.dotheton.com/forum/index.php?topic=43617.0
"Beer makes you feel the way you ought to feel without beer" -Henry Lawson
"Beer is proof that God loves us and wants us to be happy." - Thomas Jefferson

Offline Jachana

  • Posts: 211
    • 1980 CM400
Re: 81 CM400 Resurection
« Reply #4 on: Feb 08, 2011, 11:39:45 »
Go man, I am working on a Cm400 E as well, have lots of pics and have made lots of mods to it. I will start a new thread and post some of them this weekend. Good luck!
1980 CM400 Cafe
1976 Goldwing "Goldfinger"
1973 RT3 360 Resto
1973/77 RT3 "El Chivo"

Offline Ghosttown

  • Posts: 161
Re: 81 CM400 Resurection
« Reply #5 on: Feb 08, 2011, 12:01:43 »
Nice man! Keep up the progress. Good to see another E on here!
Bag O' Corn, Friend!

Offline Joshua7900

  • Posts: 4
Re: 81 CM400 Resurection
« Reply #6 on: Feb 08, 2011, 12:46:28 »
Have any of you mounted rearsets on your CM400's.  I also have a cm400 and am trying to get some ideas as to how to mount them.

Offline tsbigdog

  • Posts: 197
Re: 81 CM400 Resurection
« Reply #7 on: Feb 08, 2011, 13:03:08 »
This guy has done rear sets.  They look good, but I think it took him a while to get the brackets sorted out. This was actually the first nice CM400 cafe that I'd seen.  Since then I found some other ones that a really nice.
 
http://www.dotheton.com/forum/index.php?topic=9241.0
 
Most motorcycle problems are caused by the nut that connects the handlebars to the seat.

81Honda CM400e http://www.dotheton.com/forum/index.php?topic=22478.0
78 Yamaha XS400 - Sold

Offline tsbigdog

  • Posts: 197
Re: 81 CM400 Resurection
« Reply #8 on: Feb 08, 2011, 13:15:21 »
For anyone that hasn't seen this post, I found this last week and was blown away by it.  It's a CB400T which is almost identical to the CM.  Anyone who hasn't seen it should take a look.  As far as I'm concerned this is the most beautiful example of these bikes i've seen yet.  I wish I had the time/money/tools/skills to do this kind of work.  Maybe next time...
 
http://www.dotheton.com/forum/index.php?topic=13104.msg122815#msg122815
 
Most motorcycle problems are caused by the nut that connects the handlebars to the seat.

81Honda CM400e http://www.dotheton.com/forum/index.php?topic=22478.0
78 Yamaha XS400 - Sold

Offline tsbigdog

  • Posts: 197
Re: 81 CM400 Resurection
« Reply #9 on: Feb 09, 2011, 10:35:41 »
Ok, I started working on the seat last night.  I've never done any upholstery work before.  I'm not 100% set on using the stock pan but for now I'll just tinker.  As a side note this bike was in such bad shape even the foam rusted.  I know what you're thinking - It can't be! But alas I have photo evidence.
 

 

 

 

 

 
Oh and here's some photos of the front forks.  They were in pretty bad shape.  I'm no pro at polishing, but I think they look a hell of a lot better.
 

 
Most motorcycle problems are caused by the nut that connects the handlebars to the seat.

81Honda CM400e http://www.dotheton.com/forum/index.php?topic=22478.0
78 Yamaha XS400 - Sold

Offline tsbigdog

  • Posts: 197
Re: 81 CM400 Resurection
« Reply #10 on: Feb 15, 2011, 23:38:02 »
Ok, so I started shaping the seat.  I like the way it's coming out so far.  I'm going to start cutting the pan soon and narrowing it a bit.  There's a ton of space on the sides of the pan so I'm going to try and pull it in a bit.  I figure if I can massage the factory pan I can keep the original mount points and just make it look better.  I can probably shave off about 3 inches of width and have it follow the frame rail nicely.  I'll weld in some replacement metal to replace what's rusted and use it to provide some support to the sides.  I'm also going to take some length off the back.  Do you guys think I should follow the slope of the foam with the back of the pan or just weld in a curved piece that goes straight down? 
 
Can anyone tell me how smooth the foam needs to be so you won't see any imperfections through the vinyl?   And how do you smooth it out anyway? I'm using an electric knife to cut the foam.
 

 

 

 

 
 
Most motorcycle problems are caused by the nut that connects the handlebars to the seat.

81Honda CM400e http://www.dotheton.com/forum/index.php?topic=22478.0
78 Yamaha XS400 - Sold

Offline Jachana

  • Posts: 211
    • 1980 CM400
Re: 81 CM400 Resurection
« Reply #11 on: Feb 16, 2011, 09:46:37 »
As far as smooth goes, it depends on how thick you cover material is, I used a grinder and a rasp to really smooth it down, with some elbow grease you can get the foam very smooth, almost silky with the rasp, the foam should shape easy. If you stretch the material very tight over the foam it will also help hide the imperfections. Looks to be coming along pretty good.
1980 CM400 Cafe
1976 Goldwing "Goldfinger"
1973 RT3 360 Resto
1973/77 RT3 "El Chivo"

Offline Ghosttown

  • Posts: 161
Re: 81 CM400 Resurection
« Reply #12 on: Feb 16, 2011, 11:13:18 »
I can't wait to see how this turns out! This will be my next project, I have been thinking of doing mine the same way. Keep on keeping on!
Bag O' Corn, Friend!

Offline Maritime

  • DTT SUPPORTER
  • *
  • Posts: 8266
Re: 81 CM400 Resurection
« Reply #13 on: Feb 16, 2011, 12:09:13 »
You can use a layer of polyester batting before the covering material and it will hide a lot of the imperfections in the foam.  Looking like a good shape so far.  Anything is better than the stock fat ass seat.
The GL Rebirth: http://www.dotheton.com/forum/index.php?topic=68337.0
CX500 Low budget Bobber : http://www.dotheton.com/forum/index.php?topic=43617.0
"Beer makes you feel the way you ought to feel without beer" -Henry Lawson
"Beer is proof that God loves us and wants us to be happy." - Thomas Jefferson

Offline tsbigdog

  • Posts: 197
Re: 81 CM400 Resurection
« Reply #14 on: Feb 16, 2011, 18:26:50 »
Yeah that seat is a real fugly bastard!  It really is the major thing that kills this bike in the looks department.  I didn't think that there was going to be anyway to get it to look good and started looking around at other options.  I found a guy on ebay that sells nice looking cafe style seats for this, but they're in Vietnam and are kind of expensive once you add the shipping on.  He uses new steel pans for the base which makes them fit like the original.  I thought that was a good thing until I started taking a close look at the factory seat pan and realized how much width could be taken out of it.  Besides, the price of the new seat alone will almost cover the cost for a MIG welder. ;D   
 
If anyone has modified a factory seat pan and would like to give some advice I'm all ears.  I'm a seat pan virgin. ??? 
Most motorcycle problems are caused by the nut that connects the handlebars to the seat.

81Honda CM400e http://www.dotheton.com/forum/index.php?topic=22478.0
78 Yamaha XS400 - Sold