Sort of sounds like there may be an issue with either the oil pressure switch and/or the TKS diode, item numbers 10 and 30 for a visual for you, https://www.mercruiserparts.com/bam/subassembly/31493/12833/40...
Hi there, welcome to iboats forums... Your engine serial number shows the engine to be an 1988 45_HP [ELPTO] Model number 1045412BD.
https://www.crowleymarine.com/mercury-outboard/335.cfm?mdl=APYBJW&q=1045412BD
X 2, that’s what I’m thinking as well… If they don’t have yours they should have something similar still stored elsewhere for this boat model and engine model Application.
That mentioned, generally speaking here I recall Merc saying at some point that if they discontinue or change a major...
Home work started,
Personality
Personality (referred to as Import in previous versions of CDS G3) allows access to a function for importing a vessel specific file into a boat that contains calibrated parameters. (Example: boat length, center of gravity, or reverse drive efficiency.)
This screen...
Thanks guys, Silver power also sent a PM which I replied to first before seeing this… unfortunately my axius knowledge is very low so not much help… hopefully Muc has had some training on the subject or maybe even any Merc trained lurkers in here can join and chime in too. 🙂
Thinking since he...
0K149229 comes up as an 1997 MERCRUISER TB5, W/PS, 3"RISER, WORO, GEN6, 7.4L, C arbureted, Model number 474BF10KS, BRAVO..., https://www.crowleymarine.com/mercury-outboard/2345.cfm?mdl=8HAU0F&q=474BF10KS
Don’t know off hand but maybe see if the company mentioned in the following can repair your gauge, https://forums.iboats.com/threads/sc1000-working-sporadically.758120/
Try disconnecting the 2 wire connectors at/on the ignition control module (ICM) mounted on the port side exhaust riser elbow for a minute then plug them in and go for a ride and see if the warning horn has stopped sounding off...
You generally tend to find the altitude info inside a service manual for your engine model…, Here would be the part number you’d need… Maybe try searching the part number online to see if there’s a copy online already. https://www.mercruiserparts.com/827242r02-sm-o-b-6-15-2s...
Being a 2007 engine year the carb should be a TKS (Turn Key Start) so getting access to the air mixture screw is a bit more challenging and it takes a special fitting tool to help adjust the screw.
TKS Carburetor Mixture Adjusting Tool 91-866201
0A100960 comes up as an 1985 MERCURY 50 EL model number1050525..., https://www.crowleymarine.com/mercury-outboard/275.cfm?mdl=2VNOS8&q=0A100960
https://www.crowleymarine.com/mercury-outboard/parts/275_170.cfm?mdl=2VNOS8
Mercury Quicksilver 26-79831a 1 - Seal Kit is equivalent to parts...
Have you seen Volvo Penta Bulletin number P-23-3-4…, https://www.marinepartsexpress.com/VP_Service_Bulletins/147 PB P-23-3 N04 V01 New High Capacity Fuel Filter.pdf
https://www.volvopentastore.com/Fuel-System/dm/store_id.366--view_id.784915...
Four Winns has made some changes to their actual boat parts catalog so it may not work like it used to but in the following link try inputting you hull ID number and see if your boat model parts come up…, https://parts.fwdealer.com/
Let us know if it works or not please, thanks and good luck.
