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1967 Dream Rebuild

jbrownmxr
honda305.com Member
Posts: 20
Joined: Wed May 09, 2012 7:08 pm
Location: The OC CA

1967 Dream Rebuild

Post by jbrownmxr » Tue May 29, 2012 7:44 pm

I recently bought a 67. A compression test has revealed a tired engine with 90PSI in the right(only side I could get to fire) and 60 in the left. So, a top end is in order.

In addition I have a number of broken fins on the cylinder so Id like to replace it with a new one. So....

1. Anyone have a good cylinder they would like to part with? If I go eBay, any differences on cylinders throughout production?
2. Where are you guys sourcing pistons and rings?
3. I was going to freshen head too with valve springs and seals also. So, same question as above.


Thanks fellas....


Jason

Tango911
honda305.com Member
Posts: 359
Joined: Tue Jul 27, 2010 9:19 pm
Location: Brownsburg, Indiana

Post by Tango911 » Wed May 30, 2012 8:05 am

pictures when you can also. :)
Image
65 Sears Puch 250
69 Dream 305
74 Kawi H1
78 CB750 SS

OldStan
honda305.com Member
Posts: 548
Joined: Wed Jul 14, 2010 5:33 pm
Location: Galt, California

Post by OldStan » Wed May 30, 2012 9:32 am

1. As far as I know there's no difference- but I'm no expert on that.

2. http://www.ohiocycle.com/ is where I got mine. He had both OEM and aftermarket pistons at that time.

3. Check Ohio for your other parts too. There are no valve seals in these heads. Valve springs usually aren't needed, I'd be more concerned about the valves sealing surface. Turn the head upside down with plugs in place and put some solvent in the cup and check for leakage. If there isn't too much use some lapping compound, otherwise a valve job may be in order. From what I've read it's best to use Honda issue valves rather than aftermarket, if necessary.
63 CA78

jbrownmxr
honda305.com Member
Posts: 20
Joined: Wed May 09, 2012 7:08 pm
Location: The OC CA

Teardown

Post by jbrownmxr » Thu May 31, 2012 8:54 am

Tango911 wrote:pictures when you can also. :)[/quote

Will do. As soon as I figure out how...

I'm tearing motor down now and sourcing parts.



JB

Tango911
honda305.com Member
Posts: 359
Joined: Tue Jul 27, 2010 9:19 pm
Location: Brownsburg, Indiana

Re: Teardown

Post by Tango911 » Thu May 31, 2012 12:36 pm

jbrownmxr wrote:
Tango911 wrote:pictures when you can also. :)[/quote

Will do. As soon as I figure out how...

I'm tearing motor down now and sourcing parts.



JB
email the pics to me ill post them for you

18atango911 (at) gmail.com

use the @ for the at symbol no spaces. didnt want to get spammed off this post.
Image
65 Sears Puch 250
69 Dream 305
74 Kawi H1
78 CB750 SS

Tango911
honda305.com Member
Posts: 359
Joined: Tue Jul 27, 2010 9:19 pm
Location: Brownsburg, Indiana

Post by Tango911 » Fri Jun 01, 2012 9:39 am

Here is his bike guys.

Image

Image

OldHarley
honda305.com Member
Posts: 29
Joined: Thu May 24, 2012 2:54 pm
Location: Dallas, Texas

Post by OldHarley » Fri Jun 01, 2012 6:17 pm

Gotta love the '32 highboy flattie with the Offy heads.

OK, now to my question...since he didn't say if this is a 305 or 250, I'll ask the question on my mind:

If it is a 250, could he swap for a 305 top end, or or there other parts that would be needed?

BTW, since OP didn't say the motor size, I don't think this actually qualifies as a hijack of his thread :-)

(although if it is I will take my punishment.)

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