SOHC.co.uk Forums > CB350/400
CB400/4 ENGINE STRIP, ASSESSMENT AND REBUILD BY JULIE - NOW COMPLETE
Bryanj:
Thats the problem with the Honda workshop manuals---they were written for Honda workshops!
haynes66:
i also want to say how inspirational this thread has been. i have two 750-4 hondas which will be stripped and rebuilt side by side but i've been waylaid by a number of major issues which have knocked me for six since the beginning of 2016. and to be honest, i've been struggling with a lack of confidence generally, and lacking the courage to tackle the engine strip. i've stripped and rebuilt two TL125 hondas, a couple of fordson major tractors and a number of machines over the years. but for some reason i've been putting this off all the time, focusing instead on calipers and brackets etc. but i'm determined to make a start in the new year after seeing this engine coming together. thank you, nurse!!
K2-K6:
Agree with above posts, very well illustrated too with your photos too Julie.
Something it also illustrates, it's often given that conventionally when you drain old oil from engines which is often sludgy, then it contains a lot of metal that's been worn away from the inside components. Your example here ( excluding the obvious missing bits of piston) proves really that's not the case.
At the mileage it's covered most of it is still there!
Most of the parts you've assessed still have virtually all of their original materials in place, this view aided by your cleaning and recording of the parts with photos for us to see.
It's more the case that with oil changes completed, then very little wear actually takes place.
It's obvious problems accepted, it appears that this one has been looked after, service wise, right from the outset.
Nurse Julie:
I think it has been well maintained in the past Nigel and certainly has since I purchased it. We all go on about oil, what it's got in it, or hasn't got in it or how expensive or cheap it is but I still think it is the frequency that the oil is changed that is more important than the chemical make up of the oil. I will carry on with my 1000 mile oil / filter change (after the initial 500 mile running in oil change) in the hope the engine lasts longer than I do ;D ;D ;D
K2-K6:
Yes, agree, oil condition trumps most other things in general use with these engines.
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