Thread: ratio for riva yamaha
03-30-2009, 09:59 PM #1
ratio for riva yamaha
I just bought a '99 riva yamaha GP1200 R3 that had the triples taken off it and was wondering what you guys thought the ratio of oil and gas should be at? 32:1? 40:1? Thanks in advance for the help!!!!!!
03-30-2009, 10:10 PM #2
I think this will often end up in debate. For what it's worth, I run Castor 927 at 32:1 in all my skis.
03-30-2009, 10:16 PM #3
03-30-2009, 10:29 PM #4
03-31-2009, 12:51 AM #5
Hey bro..you are running my old single pipe..I bought the trips of that kid in deer field beach
03-31-2009, 09:16 AM #6
that bog when you take off is a lean condition....try just opening the low speed screws 1\4 of a turn and see if it fixes your problem
should be 1 1\4 out on lows
and around 1 out on highs.
03-31-2009, 10:18 AM #7
03-31-2009, 10:27 AM #8
03-31-2009, 10:43 AM #9
nahh a bog is lean....
if it was rich it would be sputtering and spitting..... hesitation is definatly a sign of a lean motor
Open the low screw
03-31-2009, 11:03 AM #10
if you have a tach you probably need to retune the top end too.
This is what you do. If you dont have tee handles this can take some time but its worth it. Open the bottom screw untill it starts sputtering. Now keep takeing off from a dead stop checking hole shot and start turning the screw in, until a slight hesitation appers. then turn the screw back open 1\4 of a turn. Now at this point u need to find out where you are at so turn the screw all the way in counting your turns then return the screw to were you had it.
If you end up more that 1 1\4 out or closer than 1 turn in then u need to rejet. if not ride it and have fun.
the top end do the same except you need a tach to see when the rpms start falling off instead of a hesitation.
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
By Beavermatic in forum General ClassifiedsReplies: 1Last Post: 09-06-2013, 05:17 PM
WTB - Parts wtb Riva Yamaha 160mm Race Pump for FZRBy waseemyah in forum Yamaha ClassifiedsReplies: 1Last Post: 04-29-2013, 07:44 PM
By waseemyah in forum Yamaha PWC Performance (4-stroke)Replies: 0Last Post: 04-26-2013, 02:50 PM
By deleted account in forum Yamaha Old School SkisReplies: 15Last Post: 11-08-2011, 06:52 PM
By Dockside in forum Videos & PicturesReplies: 10Last Post: 08-20-2009, 04:40 PM