K kyflshooter Active member Joined Nov 16, 2011 Messages 35 Reaction score 0 Jan 18, 2013 #1 97 yam. c40 elrv (40hp 2 stroke ) what is the correct oil ratio A. 100/1 or B. 50/1
L lckstckn2smknbrls Well-known member Joined Oct 5, 2008 Messages 4,881 Reaction score 199 LOCATION Lake in the Hills Illinois Jan 18, 2013 #2 From the factory it probably was 100/1 but the motors were having problems with lubrication then Yamaha revised it to 50/1. Use 50/1.
From the factory it probably was 100/1 but the motors were having problems with lubrication then Yamaha revised it to 50/1. Use 50/1.
fender66 Well-known member Joined Apr 12, 2010 Messages 6,467 Reaction score 2 Location Fenton, Missouri Jan 18, 2013 #3 You can at any time, have too little oil in the mix. RESULT: BAD to VERY BAD Having just a little more than necessary.....RESULT: GO FISH
You can at any time, have too little oil in the mix. RESULT: BAD to VERY BAD Having just a little more than necessary.....RESULT: GO FISH
Charger25 Well-known member Joined Jul 31, 2012 Messages 457 Reaction score 0 Location Aylett,Va. Jan 19, 2013 #4 Better to mix more oil than less.
Country Dave Well-known member Joined Nov 23, 2012 Messages 1,355 Reaction score 0 Location Cooper City Florida. Jan 19, 2013 #5 Look at the fuel inlet, there should be a little placard there that says what the mix should be. It may have a film or residue on it so you may have to wipe it down to see it. If not there pull the cowling off and look on the motor.
Look at the fuel inlet, there should be a little placard there that says what the mix should be. It may have a film or residue on it so you may have to wipe it down to see it. If not there pull the cowling off and look on the motor.
crazymanme2 Moderator Moderator Joined May 26, 2009 Messages 1,724 Reaction score 2 Location West Olive Mich Jan 19, 2013 #6 Mix 50:1 & go fish =D>