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Old 11-21-2012, 09:39 PM   #1
pipeburn OP
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Location: Columbus, OH
Oddometer: 80
Dream Project.

I got this bike a little while back, but just really started working on it. I heard the bike run before I bought it, but I knew that the clutch wasn't disengaging and the transmission might be hurt. After playing with it for a little while I decided that the tranny was indeed completely knackered.

Just a couple hours of work after deciding to pull everything apart.


There are already some unpleasant surprises, and I have yet to split the case.
In addition to the visible rusty spots, 4 links of the centrifuge chain are completely rusted together. Guess it's time to start the parts list...



It also came with some interesting sludge in the bottom of the side cover.





Next step is carrying it down to the basement and pulling the bottom off.
Though I may to find a manual before I do that..
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Old 11-21-2012, 10:12 PM   #2
flemsmith
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Oddometer: 510
Book,,,,

I once built one of these; there was a very helpful book by a guy named Bill Silver. I let mine go with the bike, but it's worth trying to find one if you can find a used cc. At the time there was a club called the Vintage Japanese Motorcycle Club which was helpful for parts sourcing. Good luck, you'll get lots of attention from old guys like me.

Roy
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Old 11-22-2012, 04:23 AM   #3
manxkipper
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If that is a 305cc late 60"s honda twin then the below links may help. Cost free too!

http://www.mediafire.com/?dano05xtt4q34qx shop manual

http://www.mediafire.com/?92p07da77skdtsj owners manual

http://www.vintagehonda.net/docs/cb77pc.pdf parts list with diagrams
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Old 11-22-2012, 05:16 AM   #4
max57
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That is my favorite motorcycle. A fine machine. One of the bikes that can be truly economical transportation.
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Old 11-22-2012, 05:36 AM   #5
Bloodweiser
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Old 11-22-2012, 09:29 PM   #6
anonny
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Awesome, I'm in
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Old 11-22-2012, 11:01 PM   #7
nsu max
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I'm in to. You'll love it! It's a sweet running bike.
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Old 11-23-2012, 08:53 AM   #8
lrutt
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Looks like you have a challenge there. Too bad those main bearings are rusted. But from the looks of all the goop on the base gasket, it probably wouldn't hurt to tear it down and get a good look at things.

Good thing tha front fender is in nice shape. that was usually one of the first things to get buggered.

They are a nice bike but geared way to low and with that single puny little carb the leave a little to be desired for acceleration. Regardless, I love mine and have had it since 1980.

Check out the 305 forum if you haven't see it yet.
http://www.honda305.com/forum/

Gratuitus pic of my baby:
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Old 11-24-2012, 04:28 PM   #9
pipeburn OP
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I got the rest disassembled, results below.



The head and cylinders were solidly stuck together, so they stayed together.



They seem to be missing a few pieces...



You can't get a crank with that kind of corrosion just anywhere.













5 gear teeth and a piece of rubber. I don't think all the metal is accounted for yet.
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Old 11-24-2012, 06:18 PM   #10
bmwhacker
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Bummer. I hate it when Dreams become Nightmares.
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Old 11-25-2012, 12:29 PM   #11
jellycow
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Quote:
Originally Posted by pipeburn View Post
I heard the bike run before I bought it
Really, with that kind of rust inside and pieces missing of the pistons?
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Old 11-25-2012, 07:17 PM   #12
anonny
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What year is it? I have 2 Dreams waiting to be turned into 1 so there should be a spare motor or lots of spare internals. Alternatively if you give up on the project I see a few parts I'd like to purchase from yours.

Unfortunately I wont be getting to mine until late winter/ early spring because my CL needs to be finished off first.
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Old 11-25-2012, 09:14 PM   #13
pipeburn OP
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Quote:
Originally Posted by jellycow View Post
Really, with that kind of rust inside and pieces missing of the pistons?
Very little of the rust was in a place that was crucial to engine operation. even the rusty main bearing is still tight, it just won't last too long like that. The pistons are just damaged on the skirt. The sharp edge is the only real danger, one could probably file the edges a little and run them for thousands more miles. Most newer motors have much shorter skirts anyhow. Otherwise the pistons look to be in great shape, not really any signs of blow-by. However the transmission was not at all functional, which is why I disassembled it in the first place.

Quote:
Originally Posted by anonny View Post
What year is it? I have 2 Dreams waiting to be turned into 1 so there should be a spare motor or lots of spare internals. Alternatively if you give up on the project I see a few parts I'd like to purchase from yours.

Unfortunately I wont be getting to mine until late winter/ early spring because my CL needs to be finished off first.
It's a 1964. My preferred option would be a spare motor as well, but I definitely need a main shaft and a first gear.
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Old 11-26-2012, 03:57 PM   #14
ValuePack
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Subscribed, hell of a cool project you've got there. I eye Dreams longingly on Craigslist from time to time, really need to get one in the stable.
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Old 11-26-2012, 06:02 PM   #15
Bloodweiser
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I'll take it if pipeburn doesn't want it.
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