Oil:fuel ratio 1997 C90TLRV

[MarshMarlowe]

The owners manual for my engine is not available for download on the Yamaha website. I've been running 50:1 premix. Is this the correct ratio for this engine? I plan to order the manual soon. Thanks

[99yam40]

50 to 1 should be correct

Not sure why they do not show a 1997 owners manual, but maybe this 98 will help. It is a read only so cannot print it, but if you bookmark it you can always read when you want to

http://www.yamaha-motor.com/assets/s...-02-99_648.pdf

Here is the place to look at which ones they give access to
Owners Manuals, Outboard Engines | Yamaha Outboards

[boscoe99]

It is absolutely positively 50/1.

[MarshMarlowe]

Thanks for that link, it was a big help. For some reason, I could only find the manual for the 98' model 90 with the precision blend system which only calls for 50:1 during break in or after a long storage period. 50:1 it is

[boscoe99]

Thanks for that link, it was a big help. For some reason, I could only find the manual for the 98' model 90 with the precision blend system which only calls for 50:1 during break in or after a long storage period. 50:1 it is

See page 3-5 of the 1998 manual. You have to scroll down the list of manuals to get to the ones that begin with a letter.

Try this http://www.yamaha-motor.com/assets/s...-02-99_648.pdf

[MarshMarlowe]

::facepalm::

and there it was all along. Thanks