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I need to split the crankcase soon any advice on doing this?

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Bryanj:
Dont forget to keep the shells in proper places, if ali in one bag no way of id ing different ones

McCabe-Thiele (Ted):

--- Quote from: K2-K6 on March 05, 2021, 08:53:54 PM ---Before splitting (too late perhaps) I like to clean the outside of the engine to avoid getting grit etc into the components and interior.

Possibly of more relevance if it's a quick split,  change chains etc then back together rather than absolute disassembly in total.

--- End quote ---

Good point it's pretty clean but it can never be too clean so I will do some more before I proceed - next job will be the clutch & alternator removal. Just need some warm days to get really stuck in.
So far the engine seems to be not too bad in terms of oil grime so might not need to take everything out.

McCabe-Thiele (Ted):

--- Quote from: Bryanj on March 05, 2021, 10:28:33 PM ---Dont forget to keep the shells in proper places, if ali in one bag no way of id ing different ones

--- End quote ---

I will definitely do as you advise I have no shortage of plasic boxes etc that I number as I go.

McCabe-Thiele (Ted):

--- Quote from: Charlie J on March 05, 2021, 08:32:22 PM ---When splitting the cases, don’t forget the secret bolt in the sump area. No matter how long you bang, push, pull and lever,  the cases won’t come apart until you remove the bolt!

--- End quote ---

I will look out for that thanks.

McCabe-Thiele (Ted):
I have safely removed all of the pistons - when I came to mark them with a cylinder number on the inside of the skirt I found that they had been done before albeit in my view back to front.
To me number 1 cylider is on the nearside (left) of the bike with number 4 cylinder on the offside (right / clutch side). There is the possibility that they were put in back to front - that might explain the poor cold compressions.

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