SOHC.co.uk Forums > CB750
Accelerator pump
royhall:
Personally I think Trigger is right. Throw the bloody things away and retro fit F1 carbs. Think that may be my route for the future.
JamesH:
Had the same experience working on a set of cb750 hondamatic carbs. Time isn't kind to the accelerator circuit on these designs. Problem with the Hondamatic is that you needed the enrichment circuit to be able to pull away effectively with the Hondamatic transmission. Finally got there but was a serious ball ache...If you can, fit the K1-6 carbs..
royhall:
Are their any re-jetting considerations when fitting K series carbs, as the heads on the F2 have different size valves.
hairygit:
Stick with the standard jetting for an F1, 105mains, bigger valves just let the engine breathe more freely at high revs, and give a lumpier idle than standard K/F1 valves.
JamesH:
Roy, if you need to borrow a set of K carbs to try then let me know...
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