91 KDX 250 D1 Engine compression test

Discussion specific to the 1991 - 1994 KDX250 sold in the USA
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Tinie
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91 KDX 250 D1 Engine compression test

Post by Tinie »

What is the engine compression specs for the '91 KDX 250?
I tested mine and it is about 160 psi or 1100 KPA.
Is that still within specs?
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SS109
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91 KDX 250 D1 Engine compression test

Post by SS109 »

Starting to get low but still within spec. The manual says it should be between 145-220 psi or 1020-1550 kPa.
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Tinie
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Re: 91 KDX 250 D1 Engine compression test

Post by Tinie »

Thank you for the quick reply!
Yes I also think that I will have to do the top end in the near future.
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