Re: [Tech, not specifically Roc]Running a compression test

["Ryan McCarthy" <rmccarthy777@msn.com>]

I don't know about your bike, but personally on my roc, I wouldn't warm the
engine up first. You're likely to strip the plug threads out of the head. Do
it cold and dry through one time, then go back through and do it cold but
with a few drops of oil into the chambers. HTH

Ryan



> Hi all,
>
> A general tech question for you all...
>
> I bought a compression gauge and want to test my motorcycle.  Of course,
> the stupid instruction sheet was glued into the plastic bubble, packaging
> thing the gauge came in.  Since they are now destroyed, I want to make
sure
> I'm doing this right.  Basically, I believe the steps are warm up the
> engine, remove the spark plug wires from all plugs, remove one spark plug,
> insert gauge, hit the starter for 3-4 cycles, replace spark plug, and then
> repeat for remaining plugs.  Is this right?  Any tips, hints, or warnings
> would be appreciated.
>
> - Brad
> '86.5 Volkswagen Scirocco 16v
> '76 International Scout II
>
>
>
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