[Edvolcom666]

Hi there,
I am new to this so be nice...
I have taken apart my 1985 CB450SC top engine as there was no compression in the left cylinder.
My issue now is I don't remember if the longer bolts go at the back or at the front... Yeah I m a moron!
There are 2 bolts with rubber at the bottom, can someone explain me why?
Many thanks for your help

Ed

 

[ancientdad]

I'm not familiar with the SOHC 400 engine so I can't answer your question, and I'm sure you're not a moron either - but I have asked you to post an introduction and you apparently didn't see that either Please check your Conversations, read the links I sent you and introduce yourself to the community here

 

[Edvolcom666]

I'm not familiar with the SOHC 400 engine so I can't answer your question, and I'm sure you're not a moron either - but I have asked you to post an introduction and you apparently didn't see that either Please check your Conversations, read the links I sent you and introduce yourself to the community here

hi,
I m so sorry I didnt even realised I was already a member!!
I m pretty sure someone around here knows one thing or two about those
Cheers,
Ed

 

[ancientdad]

hi,
I m so sorry I didnt even realised I was already a member!!
I m pretty sure someone around here knows one thing or two about those
Cheers,
Ed

Yes, there are many here with lots of knowledge on your engine. In the meantime, you can check places like cmsnl.com or Partzilla.com to look at exploded views that might answer your question

 

[Edvolcom666]

Cheers ?

 

[longdistancerider]

#13 is the shorter 212mm bolt
#15 is the longer 222mm bolt
#17 is the shorter 212mm bolt with rubber
#18 is the longer 222mm bolt with rubber
Both the rubber bolts are the inner left side.
My theory on the rubber is that those 2 bolts are open to the air. When the bike is parked on the side stand those bolts can collect water at the base because of the tilted engine which starts corrosion and eventually the bolt is weak enough that when attempting removal it snaps off.

 

[Edvolcom666]

Hi Longdistancerider,
Many thanks for your message.
I had it the other way around!
For the rubber it makes sense
Cheers,
Ed

 

[J-T]

I've nicely moved your discussion to the SOHC engine section.

 

[Edvolcom666]

Thank you! ?

 

[ancientdad]

I've nicely moved your discussion to the SOHC engine section.

DOH! I missed that one