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TravelinJavelin

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TravelinJavelin

on my 953 hasn't been run since 2011 and so when I first started it smoked like heck then thinned out to a almost whitish color which goes back and fourth to light blue to the whitish color what do you think is going on in there? fresh 93 octane fuel , oil has been changed 30W so is it rebuild time?

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Electro12WH

I would run some Seafoam first. Maybe MMO in the oil.

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TravelinJavelin

ok not sure what MMO is but I happen to have sea foam do I put in the tank or the crank?

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oldredrider

MMO= Marvel mystery oil. You probably have stuck or sticking rings. You can add MMO to both gas and crank case.

Get you some!

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TravelinJavelin

10-4 on the marvel mystery oil .....I've heard great things about it, my grand father swore by it but I never tried it ok I will have to get me some now I have one other question to do a compression test on this i'm told you got to run the engine in reverse to avoid the auto compression release? to get a accurate reading

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pfrederi

Leak down tests are more revealing.  Valves vs rings.

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TravelinJavelin

ok well I 've never heard of a leak down test ..................if you could shed some light on this that would be great!

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TravelinJavelin

hey thanks there nut...appreciate it ......never have heard of this test but makes sense!:)

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