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hampsterracing

WR 450 compression test

4 posts in this topic

Is it possible to do a compression test on the 450 motor with the auto decompressor ?

if so what readings would you expect.

cheers

Roger

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No, you can't - as you stated the AD mechanism nixes that. What you are after is a leak-down test:thumbsup:

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No, you can't - as you stated the AD mechanism nixes that. What you are after is a leak-down test:thumbsup:

To perform the leak test (provided you have the equipment)

You will need to remove the valve cover and manipulate the Auto Decomp weight in order to release the exhaust valve for testing.

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