SOHC.co.uk Forums > The Black Bomber Board
1969 CL450 US Barn Find Restoration
AshimotoK0:
Look at the weird main bearings on the K0 crank pic Dave !
MrDavo:
Eww, that is wierd!, I just have a massive pair of ball.....races.
AshimotoK0:
--- Quote from: MrDavo on December 05, 2017, 04:41:00 PM ---Eww, that is wierd!, I just have a massive pair of ball.....races.
--- End quote ---
Your crank is similar to a CB350K crank Dave.
jensen:
Sludge trap is also at the 5-speed crank, there's not much difference. I would only let them bore out the plugs and let them clean the oil ways, the rest only when necccary, but also depends what your plans for the bike are. The 5 speed cranks are difficult to press together straight, so if not necessary don't go for it.
K2-K6:
A left field view of cleaning oilways perhaps but, I've worked for a long time on one particular type of car engine which, certainly prior to synthetic oils, makes alot of sludge and baked oil deposits, to the extent when you get a very poorly looked after one, you can dig out with a spoon the baked oil from the cylinder heads.
One of the only things I found would really clean them with ease was steam. That was on a more industrial scale, but is it possible to backflow through oil ways with a domestic steam cleaner? Prior to preserving with new oil to avoid corrosion.
It's also used routinely for cleaning glass and apparatus in chemical laboratories, including tarred deposits.
It may avoid dismantling possibly, but I'm not familiar enough with layout to see if this is possible.
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