500 mile Compression check? - Victory Forums - Victory Motorcycle Forum
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post #1 of 18 (permalink) Old 05-12-2013, 11:06 AM Thread Starter
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Cool 500 mile Compression check?

Really?

Really?

Have owned many new MC's of different brands and have never seen a routine compresson test ordered on intial service. Has anyone ever had leaky rings etc on their brand new Vic?

If it's running fine and not smoking or leaking oil from the cylinder heads what is behind the logic?

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post #2 of 18 (permalink) Old 05-12-2013, 11:42 AM
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Never hurts to do compression check, it doesn't take that long plus it gives you an idea of a starting point for future checks. Are they including it in the price or charging you extra?

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post #3 of 18 (permalink) Old 05-12-2013, 11:44 AM
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The way I see it, no harm, no foul.


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post #4 of 18 (permalink) Old 05-12-2013, 03:09 PM
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a compression tester kit is like $15 at Harbor Freight. Takes about 30 seconds to pop a spark plug. Not really a big deal.

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post #5 of 18 (permalink) Old 05-12-2013, 03:57 PM
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The logic is sound-establish a base line and check periodically during routine maintenance-if it starts going up you have carbon build up & time to run some BG44K through the system. If it's dropping and can be brought up with a squirt of oil in the cylinder your rings are going-if the squirt of oil doesn't change anything your valves are the culprit for the low number. It's a good number to know -kind of like your blood pressure. I've always documented the compression on my bikes and know most Vic dealers do not do very simple procedure as called out in the service manual.
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post #6 of 18 (permalink) Old 05-12-2013, 08:14 PM
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It is Victory dealer BS, not all Victory dealers do it.

Neither the owners manual or the service manual call for a compression check on the engine at the 500 mile service.

As for this it creates a base line that is total BS as well because Victory already knows what the range is for these engines. You are either within the compression range or you are out of it.

In short there is no reason to be running a compression check on a Victory engine with only 500 miles on it.
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post #7 of 18 (permalink) Old 05-12-2013, 08:53 PM
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Victory1, I don't know what service manuals your lookin' at but every Vic manual I've had since 1999 call for compression check/inspections at 500-10,000-20,000- etc ( it's right in between drive belt & engine oil). How else are you going to know if you are within specs? I agree most dealers blow it off. I want to know to know what's going on inside my engine-if you don't want to know that's fine with me & most dealers too.

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post #8 of 18 (permalink) Old 05-13-2013, 12:01 AM
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Quote:
Originally Posted by Luciferiad View Post
a compression tester kit is like $15 at Harbor Freight. Takes about 30 seconds to pop a spark plug. Not really a big deal.
Still, in regard to the OP's posted question..............Why???
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post #9 of 18 (permalink) Old 05-13-2013, 11:52 AM
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Quote:
Originally Posted by SemperVee View Post
Really?

Really?

Have owned many new MC's of different brands and have never seen a routine compresson test ordered on intial service. Has anyone ever had leaky rings etc on their brand new Vic?

If it's running fine and not smoking or leaking oil from the cylinder heads what is behind the logic?
Who did the test? Why was the test done?

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post #10 of 18 (permalink) Old 05-13-2013, 11:07 PM
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If you are doing your own service and decide to do a compression check, you will know the results. If you go to a Vic dealer and just ask for a 500 mile service, you will not get a compression check, it is simply not a part of the standard 500 miles service.

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