SOHC.co.uk Forums > CB750
CR750 first ride
hairygit:
What makes you think the 750 engines is any less reliable at sustained high r.p.m? Many 750's were seriously tuned back in the 70's and raced hard, Russ Collins (U.S. Drag racer) often said the bottom ends were practically indestuctible even as standard, he ran supercharged big bore kits on stock bottom ends, with no major weaknesses showing up.
MarkCR750:
My guess is that the small size and lightness of the reciprocating parts of the 400/4 allowed it to survive 10 minutes at 14k revs in neutral , you could be right, maybe the 750 could do the same but I won't be trying it with mine 😀
MarkCR750:
--- Quote from: gamma on July 18, 2015, 09:03:54 PM --- ;D yeah can't remember why I went for that tacho, probably couldn't get one of the small ones in the right rpm range needed. But hey ho, won't be looking at it much, especially when I miss a gear ;D.
Interested to see what you come up with
--- End quote ---
Here's my first attempt Gamma, I was going for the uncluttered look but I think I've overdone it, too uncluttered so I'll change it, so far it's cost about £7 so plenty of scope for improvement 😀
gamma:
Electric or cable?
MarkCR750:
Cable, its the original rev counter from the K7 donor bike with its face sprayed matt black and numbers applied with lettraset, the chrome bezel is from a Triumph sports car , total cost £7, think I'll change the design though , I have plenty of lettraset left! :)
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