Yamaha VMax Starting Problem Yamaha VMax Starting Problem
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Yamaha Outboards

    Yamaha VMax Starting Problem
from Nick (68.158.204.61)  
4/24/2006 11:02:00 PM

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 I am a new boat owner with a Yamaha Vmax with about 15hrs. It is very difficult to start in the morning, then cranks instantly all day after warmed up. Not sure how much to pump the primer bulb before starting. Some say don't pump too much or it will flood, others say pump till firm. Can I flood it by pumping too much, or should I pump till firm? Any other tips on getting this engine started?


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   Vmax from rob (71.137.147.30)  4/25/2006 1:11:00 AM
 Nick, I posted same question though no answers. I have a few observations. I have about 35 hours on mine and went through a period of same problems. I did find that usually after priming, and it not starting, the bulb would feel "flat" again and re-priming would start it. That would lead to believe that priming as much as possible is best, as I sometimes would start it and it wanted to idle rough and when I checked bulb and primed the motor perked up. My dealer says these engines are hard starting (?) and suggested not trimming engine all the way down as to decrease the backpressure.......I did this, and seemed to help, though the starting problems I was having seem to have lessened recently for whatever reason. The manual says to turn key to "on" position, prime then start. Did that and it helped at times, but others not. Those are a few things to try, but I think not trimming it and priming it full are best. Don't have concrete answer, but some suggestions to try. Let me know what helped you if anything as it would be helpful to verify if anything improved for my own benefit. Otherwise, once started the engine is a dream.....


   Nick from Ted (70.117.251.165)  4/25/2006 6:48:00 AM
 What model is the motor? Year, HP, etc. My 200 EFI VMAX is a 2000 model and it starts without touching the primer bulb.


   vmax from johnboat (63.235.165.254)  4/25/2006 6:52:00 AM
 if you have a carbed motor make sure your chokes are working & closing all the way.


   Listen to johnboat... from 21 xdc (69.245.114.237)  4/25/2006 7:23:00 AM
 I have heard that some carb models the electric choke needs adjusting... Pull the manual one out and see if it makes a difference. It should start right up.

Make sure you are "holding in" the choke button as you crank.... Some guys think just pushing it in and out before you crank is correct... Nope... Keep is pushe in even after it starts untill it's choking out, Then let off... You may need to bump the key in a couple more times afterward.... Once you learn what she likes it's almost as good as a EFI.


   V-max from Roby (70.241.17.205)  4/25/2006 9:59:00 AM
  Has to be a carbed model, my 200 V-max HPDI doesn't even have a primer bulb. Pump the bulb until it is hard and follow 21 xdc's advice.


   V Max Choke from Sinclair bassman (67.141.221.134)  4/25/2006 10:18:00 AM
 Nick I HAVE A V MAX 150 CARB , ALL I HAVE TO DO IS PULL THE MANUEL CHOKE ON THE FRONT OF THE MOTOR AND HIT THE KEY , IT STARTS UP FIRST TIME EVERY TIME .DO YOU HAVE A CHOKE ON THE FRONT OF THE MOTOR NEXT TO THE TUBES AND WIRES THAT GOES INTO THE COVER LET ME KNOW.


   VMax Starting Problems from Nick (170.35.208.21)  4/25/2006 12:16:00 PM
 Thanks for all the comments guys. It's a 2005 VMax 150 Carb. I'll probably try all of the above and see what works. Sounds like I may need to prime more.


   Choke.... from 21 xdc (69.245.114.237)  4/25/2006 2:08:00 PM
 Choke the heck out of it by holding in the key as you crank....I bet your not choking it enough... They like to be choked alot on the first start.... I had the same motor as you for 7 years.


   geez from Jeffz71 (205.188.116.200)  4/25/2006 3:19:00 PM
 I was just about to buy a v-max and I fished a tour and two v-max's were at the launch fishing the whole day becuase both wouldnt start. Sounded like my old Mercury 85 trying to get it started Seems to me like the e-tec or opti would be better choice for me, as for getting it to start there is no information for me, i can ask those guys if they figured there problem out or not, there close friends, ill reponsed in about an hour .k pump it tills its tight and as they all said hold the key in as you probaly arent. hope you get it figured out.


   2005 150 vmax from joe (24.181.97.181)  4/25/2006 6:38:00 PM
 It will need to be adjusted by your dealer. You can use the manual choke on the motor till you have time to take to dealer. I have the same motor and the same problem.


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