Honda305.com Forum

Thanks for your comments. G Man confirms that the originals are cast iron and that may be the way I go bearing in mind the difficulties in machining cast iron. Will look into "Aluminium Bronze". Running standard valves so I believe the guide is reamed out to 7mm. There is always something new to dis...

Has anyone made valve guides for the CB72?
Interested in materials and method and success.

Many thanks for the info.

Anyone know the actual inclined angle of the cylinder barel face on the upper crankcase in relation to the horizontal axis of the crankcase?

I want to skim the face on the mill and want to make sure I have it right.

Thanks 'Seadog'. It's turning out to be quite a challenge. The bike was in many parts when I inherited it and if I had come across it in the usual way would have passed I think. The list of things missing, vandalised or worn out keeps growing. 'G-man' has been very helpful and with a little bit of l...

Every day is an education! It should now be public.