Oil injection system

T_Herrod

T_Herrod

Petty Officer 1st Class
Joined
Apr 1, 2012
Messages
349
I have a 2002 Yamaha F50TLRA that is oil injected. It worked fine last year (my first year with the boat) and i was wondering if there is anything special i should do to be sure it is properly serviced. I can find no filters on the system and all the hoses are in good shape and it is free of leaks.
Thanks in advance
Tom
 
M

multimech

Petty Officer 1st Class
Joined
Apr 26, 2012
Messages
386
Re: Oil injection system

The yamaha oil injection pumps are mechanical and almost bulletproof. If you have had oil in it all along, there really is no maintenance other than make sure the cap is watertight and the oil is free of water. If you have drained it, then you will need to take a screwdriver and open up the bleed valve on the pump (a philips head screw on top of the pump) to bleed air from the system. Then add 50:1 mix in your fuel tank, mark the tank and ensure you have oil consumption.
 
9

99yam40

Fleet Admiral
Joined
Sep 7, 2008
Messages
8,880
Re: Oil injection system

check to see if it has a water trap that need to be drained to get rid of any condensate that might collect in tank.

Need to make sure oil is clean and free of water. it can gel
 
T_Herrod

T_Herrod

Petty Officer 1st Class
Joined
Apr 1, 2012
Messages
349
Re: Oil injection system

Thanks for the replies. I have always topped the tank off before every outing. I'll do a good inspection to check for moisture.
 
C

Capt Ken

Commander
Joined
Jul 30, 2002
Messages
2,269
Re: Oil injection system

Nobody caught that's it a F50. A four stroke? Four strokes don't have oil injection.
 
9

99yam40

Fleet Admiral
Joined
Sep 7, 2008
Messages
8,880
Re: Oil injection system

I thought it was just a miss print:facepalm:
 
Boss Hawg

Boss Hawg

Lieutenant
Joined
Apr 9, 2009
Messages
1,433
Re: Oil injection system

multimech said:
The yamaha oil injection pumps are mechanical and almost bulletproof. If you have had oil in it all along, there really is no maintenance other than make sure the cap is watertight and the oil is free of water. If you have drained it, then you will need to take a screwdriver and open up the bleed valve on the pump (a philips head screw on top of the pump) to bleed air from the system. Then add 50:1 mix in your fuel tank, mark the tank and ensure you have oil consumption.
Click to expand...

Why add 50:1 mix in your fuel tank??
 
9

99yam40

Fleet Admiral
Joined
Sep 7, 2008
Messages
8,880
Re: Oil injection system

To make sure motor gets oil while proving oil injection is working
 
You must log in or register to reply here.
Top