SOHC.co.uk Forums > CB500/550
When is a motor not worth working on?
Bryanj:
Yup, still available to order from your local dealer which saves postage, maybe a short wait as not long ago i had all uk stock!
McCabe-Thiele (Ted):
--- Quote from: alexdecker on January 23, 2022, 12:13:51 PM ---Ok, so when I get in there, assuming I don't need new bearings for cam shaft or transmission, do I just let them sit in there when cleaning the engine up, and then regrets them before assembly? Can I clean the transmission assembly without taking it apart?
Also, when the engine is taken apart - what are some good tips for cleaning out the cogs and innards, and also the case, both inside and outside? I don't want to vaporblast it I think - I don't mind the worn look too much. But I would like to clean stuff up as good as I can while in there.
Lifting out the gear shaft on my 400 was easy again how far you want to go in stripping down a gear cluster is down to what you find once inside. I found petrol was very effective but did use Evaporust to remove some surface rust on some internals.
I took lots of photos to help with re-assembly - my only regret is I did not do more written notes alongside the pics as I did forget quite a lot of stuff. For the 400 there are some good U-Tube videos that I used as a sort of revision lecture - when I was confused I asked questions on this site.
- Alex
--- End quote ---
Out of interest when I did my rebuild I did not do any soda blasting. On the outside I washed with petrol using a paint brush, then paint stripper with some fine Wet & Dry paper to remove the darker oxidation being careful to not go onto any contact surfaces. I used Petrol to remove oil film stains stains on the inside of the casings with some more stubborn staining being removed with either brake cleaner or nail varnish remover. I did paint the exterior casing parts rather than polishing as per original Honda.
alexdecker:
--- Quote from: McCabe-Thiele (Ted) on January 23, 2022, 01:51:24 PM ---
--- Quote from: alexdecker on January 23, 2022, 12:13:51 PM ---Ok, so when I get in there, assuming I don't need new bearings for cam shaft or transmission, do I just let them sit in there when cleaning the engine up, and then regrets them before assembly? Can I clean the transmission assembly without taking it apart?
Also, when the engine is taken apart - what are some good tips for cleaning out the cogs and innards, and also the case, both inside and outside? I don't want to vaporblast it I think - I don't mind the worn look too much. But I would like to clean stuff up as good as I can while in there.
Lifting out the gear shaft on my 400 was easy again how far you want to go in stripping down a gear cluster is down to what you find once inside. I found petrol was very effective but did use Evaporust to remove some surface rust on some internals.
I took lots of photos to help with re-assembly - my only regret is I did not do more written notes alongside the pics as I did forget quite a lot of stuff. For the 400 there are some good U-Tube videos that I used as a sort of revision lecture - when I was confused I asked questions on this site.
- Alex
--- End quote ---
Out of interest when I did my rebuild I did not do any soda blasting. On the outside I washed with petrol using a paint brush, then paint stripper with some fine Wet & Dry paper to remove the darker oxidation being careful to not go onto any contact surfaces. I used Petrol to remove oil film stains stains on the inside of the casings with some more stubborn staining being removed with either brake cleaner or nail varnish remover. I did paint the exterior casing parts rather than polishing as per original Honda.
--- End quote ---
Ah, thank you for this. So you cleaning up the inside with petrol as well? Did you tape over ball bearings and such, or did you have the engine stripped down completely? Obviously petrol will evaporate, so there shouldn't be any reason to worry about petrol getting into small crannies and nooks on the inside of the case, eh?
Bryanj:
If you want to clean the cases you need to remove everything WARNING make sure you know exactly where each main brg shell is fitted as the markings on them mean nothing and you are looking at well over £100 just for the shells plus the cost of measuring the crank
Oddjob:
And when removing the gearbox ensure the end gears and roller don't fall off the shaft.
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