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750 K1 project
Trigger:
That looks better. The skirts are very tight on a Honda.
Is there any lip at the top of the bores, pics please ;)
Crispy:
--- Quote from: Trigger on April 15, 2018, 12:21:12 PM ---That looks better. The skirts are very tight on a Honda.
Is there any lip at the top of the bores, pics please ;)
--- End quote ---
Yes I can feel a lip.
Trigger:
OK, they need to be honed out until the lip is visible no more. Then you can get a true measurement ;)
I know what all the books say to the max spec but, when this engine was new, the piston to bore clearance was tight and when I mean tight, less than 1 thou.
Crispy:
--- Quote from: Trigger on April 15, 2018, 01:25:05 PM ---OK, they need to be honed out until the lip is visible no more. Then you can get a true measurement ;)
I know what all the books say to the max spec but, when this engine was new, the piston to bore clearance was tight and when I mean tight, less than 1 thou.
--- End quote ---
Cheers Trigger, I'll see about getting that done ...👍
Crispy:
Checked the valves over tonight..looks like they and the guides will need replacing they failed on both the valve guide clearance and vertical run out measurements...by a large margin! doh! 😕 On a more positive note the springs are ok! 😊
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