SOHC.co.uk Forums > CB350/400

Mystery - Gutless 400 four

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Northy:
OK  the bike runs , quick trip the road and seems to pulling fine .....until i could smell petrol ....flooding carb.

It too dark and cold for a proper test run and  Carbs will have to wait till tomorrow , one of them needs a quick tap !

Sounds better already and no smoke on start up .....full run tomorrow.

Question ?   the two dowty washers on the head , why are they there ? why not have just plain copper washers?. Its can't be to stop oil leaks  as other studs are exposed to the elements.

The reason why I had domed head around these washers fit is the metal bit of the washer is too big , so the nut pushes on the outside bit and not the centre where the rubber is = dome. The previous ham fisted muppet that has worked on this engine has over tighten them. Also stripped 2 studs holding the rocker box down. ;-)   

Northy:
Can report is cold out there  and bike is running spot on now, pulls in top way better and is smooth as it should be.  :)


 

Clem2112:
Good result then.
I guess you'll be checking that the plug colour is even across all four now?

Will be getting the head off and investigating the valves/seats in the new year.

Northy:
Yes , already done a quick check but needs a good run, then change oil/filter .....started it up today the cam chain rattling a bit more that yesterday .....Just too cold for spannering at present (well its is my garage) ;-)

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