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Author Topic: cb550 compression test gauge - adaptor?  (Read 2371 times)

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Offline xruss

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cb550 compression test gauge - adaptor?
« on: December 17, 2010, 08:50:15 AM »
On my way out to pick up a compression test gauge for my cb550.  I seem to recall reading in the past about it being a special size or needing some adaptor, but can't locate that in the search.  Any guidance on if I need something other than a standard gauge?  Thanks.
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Offline MoMo

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Re: cb550 compression test gauge - adaptor?
« Reply #1 on: December 17, 2010, 10:21:04 AM »
Most compression gauges that are purchased as a set come with three adapters, including ones for 10,12 and 14mm threads.  If not, you can buy the rubber tipped kind, make sure it is long enough to go into the recess...Larry
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Offline TwoTired

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Re: cb550 compression test gauge - adaptor?
« Reply #2 on: December 17, 2010, 10:36:42 AM »
The 550 spark plug holes are 12mm threaded.
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