I personally would go w/ a Merc EFI.
Having said that - between these two engines I would go w/ the Carb engine
if you plan on keeping it for years to come. The HPDI will get better fuel
economy and as long as it is under an extended warrenty it should be fine.
Once the warrenty expires I would want to get rid of it. Repair bills will
eat you alive on one of these engines if anything happens to it. Also -
resale will be very low because of this.

I like EFI as it has good economy, is reliable, cranks like a car (no
throttle or choke or anything). This is why I say the Merc since Yamaha
does not sell a standard EFI anymore.

--
Tony
My Boats and Cars
http://t.thomas.home.mchsi.com
"Chris Rennert" wrote in message
...
I have finally made a decision and it is between these two motors.

2004 Yamaha VMax 150 HPDI
2004 Yamaha VMax 150 (carubated)

I was wondering if anyone has either of these motors and what they think
of
them? Any help and opions would be greatly appreciated.
Chris