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  Oil film near exhaust (170 Montauk - 4 stroker)

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Author Topic:   Oil film near exhaust (170 Montauk - 4 stroker)
4WHALERS posted 07-29-2003 01:21 PM ET (US)   Profile for 4WHALERS   Send Email to 4WHALERS  
Has any one noticed an oil film near the exhaust port below the [orifice for the water pressure confidence stream]? [The oil film] only collects on the back side of the lower cowling around the exhaust port, and apears to only show up after long runs? The motor has 15 hours on it. Any comments?
jaccoserv posted 07-29-2003 02:22 PM ET (US)     Profile for jaccoserv  Send Email to jaccoserv     
If the boats on its initial tank of gas, it most likely is burning double oil as the dealer normally fills the resovoir, as well as a 50:1 mix in the fuel tank. I noticed excess oil everywhere during my first tankfull. The film should not appear after all original gas is burned out of tank.
ghefty posted 07-29-2003 03:23 PM ET (US)     Profile for ghefty  Send Email to ghefty     
I haven't noticed any oil residue on my 90-4S. If oil was added to the initial fuel on the four stroke, I suspect you would notice less than great performance in addition to the residue.

I'll take a second look at the backside of my engine

Barney posted 07-29-2003 07:48 PM ET (US)     Profile for Barney  Send Email to Barney     
4Whalers, Mine shows a little soot no oil though. B
jimh posted 07-30-2003 08:48 AM ET (US)     Profile for jimh  Send Email to jimh     
[Edited thread to remove vulgar reference to the water pressure confidence stream.]
ghefty posted 08-04-2003 11:02 AM ET (US)     Profile for ghefty  Send Email to ghefty     
checked the engine this weekend, a small amount of soot, no oil.
AQUANUT posted 08-09-2003 05:06 PM ET (US)     Profile for AQUANUT  Send Email to AQUANUT     
IRT...DOUBLE OILING......1ST TANK OF FUEL...THAT IS DEALER RECCOMENDATION....FOR CARB MOTORS..2S AND 4S...WITH EXCEPTION OF FUEL INJECTION....EFI.....DO NOT DOUBLE OIL!

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