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

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Bryanj:
Lots of cloth in cranÄ·case holes and small screwdriver/pick under circlip at the machined groove

McCabe-Thiele (Ted):

--- Quote from: Bryanj on March 05, 2021, 02:41:32 PM ---Lots of cloth in cranÄ·case holes and small screwdriver/pick under circlip at the machined groove

--- End quote ---

Thanks for that just had a go with a small pick tool I managed to get number 4 piston outer clip out, to my surprise I was able to push out the Gudgeon Pin by hand quite easily.
One down 3 to go - a bit cold now so need a warm inside before I try another.

Took photos to ensure they go back the same way Honda markings are all on the right side of the pistons - slight score marks on the thrust side (rear of the skirt) not deep - in all probability might end up with a rebore yet just depends.

Bryanj:
There should be some small cast in triangles as arrows on the top of the pistons

Charlie J:
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!

K2-K6:
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.

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