SOHC.co.uk Forums > CB350/400
Engine rebuild Parts list
Nurse Julie:
Your engine has suffered from oil starvation or dirty oil, those shells don't look good.
Bryanj:
Neither does the journal surface and i agree with Julie not enough oil changes, i would look for a better crank, possibly with rods and replace the mains
Laverda Dave:
I know that photos can make journal's appear worse than they actually are but looking at those I would do as Bryanj suggested, find another crank. If you replace those worn shells with new and use that same crank you'll be wasting your money and time. Same goes for the big ends.
Dolomite_:
I'll give a good clean tonight or tomorrow and get rid of all the oil and grime. Its my first time doing a rebuild but it doesnt seem too far from these replacement crankshafts.
https://www.ebay.co.uk/itm/375274886316?itmmeta=01HQXA10VEERSW3BT3Y66F6C4R&hash=item57602054ac:g:o84AAOSwrFdkoB9r&itmprp=enc%3AAQAIAAAA8AKr4Ep4hVTll7AIMNUs5vK1xxCRmHXus9Yx3rmrZk5CIOoba1BWmYU%2FbUVe1KdN98AJY%2FkMjnFxa4%2BdqVhws3HE4MtLbs9V8HRSd1DBc4xQdrTuTPdEMyfIGCqpem4Ds0SuJSn9wEI3TOLUcjNqXsIgJD8xoDjJuB%2F1z0oQlqZ0nBxUw3DG80g2mJVXP6Yz1e%2FJMq4SfdaGKe44zB25wJ0lInFKlFqbST%2BezZBZxKtg8zQmNhWjpKXhwXfo%2F3MsxG3nZPJS6pYoDx%2BuD0zaGetIgO5%2FWzu%2FXd3jveFJ9Ln%2Bxr2QtlKyMwtg5IuhrLtreQ%3D%3D%7Ctkp%3ABk9SR-SNhKq_Yw
https://www.ebay.co.uk/itm/204673292768?itmmeta=01HQXA10VE5YNYFQNRPQ4YSX8C&hash=item2fa77a99e0:g:RDQAAOSwBfRlw7JN&itmprp=enc%3AAQAIAAAA0FqCbxO1e6qmujg7mrLyab2Or9HCuS6dvjx2KgdPQ4xMOPVdPoASoOyTuGxMEuVuQWU0FH6Ge1Ub3nnnWlNm2N5kvx5CA1gahlQsh8hn2XkNLrxAlit7b8Y2cTTbqduHvrRm0BG7Cqm711Mi25pk4te2yAUf0Cxm%2B%2FzRI3C3scZxVe8xqp0tqnFKPQTdmKGZIX4PjOHt%2BzLFVLSpkGnBYeF%2B9nLEKQl6FBSi9gY%2FwfeyrW9N7a48QPzZ9r2RmdngbxZDtO4J91vXKCB2pbbugRU%3D%7Ctkp%3ABk9SR-SNhKq_Yw
Update, Julie has just updated me regarding my rebore. Looks like there was silicone mastic blocking some oil passages. Regarding a replacement crankshaft, they dont seem too bad price wise.
Would it be more hassle trying to get new bearings to fit a new crankshaft and my current con rods? Or would it be easier to fit new bearing to a crankshaft that comes with the con rods?
There are 2 on ebay. Option 1 https://tinyurl.com/mrxffku7 Option 2 https://tinyurl.com/mu7fny3e
Without con rods. Option 1 https://tinyurl.com/3fcbp249 option 2 https://tinyurl.com/y6un5ha9
McCabe-Thiele (Ted):
I bought a crank & con rods from DK for my 500 - they were as described - the con rods shell were like new. 👍👍👍
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