SOHC.co.uk Forums > CB500/550

To do before start up attempt?

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MaximoGF:
Epic battle getting the carbs out! Finally managed it, think I am going to have to replace the four rubbers that attach it to the engine side, they are solid!

Anyone know what they are called so I can google them?

Chris400F:
DS calls them Inlet Manifold Rubbers.
http://www.davidsilverspares.co.uk/CB550F1-SUPER-SPORT-1976/part_144346/
http://www.davidsilverspares.co.uk/CB550F1-SUPER-SPORT-1976/part_5005/

ST1100:
I know them as carb isolators or "carb boots"...

BTW when doing the valve adjustment, repeat it after cranking the engine (i.e. with a car battery aside), then again, and again...
My 500K2 was grounded for like a decade, thus some corrosion on seats/sealing surfaces (at first compression test was very unequal...)...
So every time I'd let the starter spin the engine a couple of times, the valve clearances narrowed again as the debris wore off...
Took like 5~6 runs of adjusting/spinning till it settled... (and compression got equal...)

And it fired after the 3rd "blip" on the starter button... it literally took only "blips"...

Chris400F:
Or there are these, which come complete with new clamps:
http://www.ebay.co.uk/itm/76-77-Honda-CB550F-Carb-Intake-Set-4-Intake-8-Clamps-CI-CB550FINBT-/261245538542?_trksid=p2141725.m3641.l6368

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