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Jan 23rd, 2013
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New V8 Yamaha #12758628
05/17/18 11:33 AM
05/17/18 11:33 AM
Joined: Dec 2003
Posts: 18,889
Grand Prairie, Tx
Allison1 Online sleepy OP
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Grand Prairie, Tx
New 5.6 V8 weighs in at over 900 pounds. I'm thinking not a bass motor.

Up to 425hp.

https://www.thehulltruth.com/boating-forum/931572-yamaha-new-big-motor-here-425hp.html



Last edited by Allison1; 05/17/18 11:42 AM.
Re: New V8 Yamaha [Re: Allison1] #12758632
05/17/18 11:39 AM
05/17/18 11:39 AM
Joined: Dec 2003
Posts: 18,889
Grand Prairie, Tx
Allison1 Online sleepy OP
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More, shaft length 25", 30" and 35".
Direct injection and integrated steering which looks like it was borrowed from the G2.

Its an XTO Offshore.

Re: New V8 Yamaha [Re: Allison1] #12758669
05/17/18 12:23 PM
05/17/18 12:23 PM
Joined: Oct 2006
Posts: 10,265
Trophy Club, TX
Ken A. Online content
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Originally Posted By: Allison1
New 5.6 V8 weighs in at over 900 pounds. I'm thinking not a bass motor



I'm thinking you're right!

Re: New V8 Yamaha [Re: Allison1] #12758691
05/17/18 12:42 PM
05/17/18 12:42 PM
Joined: Dec 2008
Posts: 7,266
Boerne, Texas
G
grout-scout Online content
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Posts: 7,266
Boerne, Texas
Lol, I could sink my boat at the first launching.

Re: New V8 Yamaha [Re: Allison1] #12758718
05/17/18 01:05 PM
05/17/18 01:05 PM
Joined: Oct 2006
Posts: 10,265
Trophy Club, TX
Ken A. Online content
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Ken A.  Online Content
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Trophy Club, TX
Clearly Yamaha is looking to retain its dominance of the Saltwater CC crowd. This motor should be very popular to those folks.

They could slap a supercharger on their current 250SHO and have 400 hp and still be under 540#

Nizpro Marine has the kit and the guys at Fork are installing them. Yeah, it voids the warranty if you still have it but it just goes to show what can be done to the V6 platform with supercharging.

https://youtu.be/TH2lVu5gI7M

Re: New V8 Yamaha [Re: Allison1] #12758861
05/17/18 02:33 PM
05/17/18 02:33 PM
Joined: Jul 2011
Posts: 4,480
nederland, TX
T
the skipper Online content
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nederland, TX
At 900 that's heavy for any crowd. I bet they lighten the design of the power steering a little and start putting them on the sho. Maybe fly-by-wire throttle stuff like the g2 also. I know I would like to be able to switch between hand and foot on the fly for those long runs

Re: New V8 Yamaha [Re: Ken A.] #12758938
05/17/18 03:22 PM
05/17/18 03:22 PM
Joined: Aug 2003
Posts: 6,415
Allen, Texas
R
Ranger1 Online content
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Allen, Texas
Originally Posted By: Ken A.
Clearly Yamaha is looking to retain its dominance of the Saltwater CC crowd. This motor should be very popular to those folks.

They could slap a supercharger on their current 250SHO and have 400 hp and still be under 540#

Nizpro Marine has the kit and the guys at Fork are installing them. Yeah, it voids the warranty if you still have it but it just goes to show what can be done to the V6 platform with supercharging.

https://youtu.be/TH2lVu5gI7M


OMG


Re: New V8 Yamaha [Re: Ken A.] #12759567
05/17/18 10:08 PM
05/17/18 10:08 PM
Joined: Mar 2011
Posts: 871
T
TexasTechliprip Offline
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Originally Posted By: Ken A.
Clearly Yamaha is looking to retain its dominance of the Saltwater CC crowd. This motor should be very popular to those folks.

They could slap a supercharger on their current 250SHO and have 400 hp and still be under 540#

Nizpro Marine has the kit and the guys at Fork are installing them. Yeah, it voids the warranty if you still have it but it just goes to show what can be done to the V6 platform with supercharging.

https://youtu.be/TH2lVu5gI7M



Ken-

That thing is sweet, any idea on ballpark pricing?
I couldn't find anything on the website


Re: New V8 Yamaha [Re: TexasTechliprip] #12759597
05/17/18 10:28 PM
05/17/18 10:28 PM
Joined: Apr 2005
Posts: 16,142
Fork/Arlington some.
RedSkeeter Online content

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Fork/Arlington some.
I'm curious to $$$$$
The guy said 467 on the dyno, 450 @the prop... I get nervous " sometimes " doing low-to mid 70's. Tack 20+ mph on to that, it could get dangerous in the boat lanes.. Who's buying those things ? I'll stay out of their way.
Ken, I know for a fact you can drive a boat at 100+mph, honestly, I don't know anyone else, Oilfield maybe..






Re: New V8 Yamaha [Re: Allison1] #12759721
05/18/18 12:04 AM
05/18/18 12:04 AM
Joined: Dec 2003
Posts: 18,889
Grand Prairie, Tx
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Nizpro is about 11k for the mod installed.

Re: New V8 Yamaha [Re: Allison1] #12759809
05/18/18 12:57 AM
05/18/18 12:57 AM
Joined: Dec 2008
Posts: 7,266
Boerne, Texas
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Boerne, Texas
Originally Posted By: Allison1
Nizpro is about 11k for the mod installed.




On BBC, a dude that has it said $13k.( I’m not arguing with you)

Re: New V8 Yamaha [Re: TexasTechliprip] #12759857
05/18/18 01:34 AM
05/18/18 01:34 AM
Joined: Oct 2006
Posts: 10,265
Trophy Club, TX
Ken A. Online content
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Originally Posted By: TexasTechliprip
Originally Posted By: Ken A.
Clearly Yamaha is looking to retain its dominance of the Saltwater CC crowd. This motor should be very popular to those folks.

They could slap a supercharger on their current 250SHO and have 400 hp and still be under 540#

Nizpro Marine has the kit and the guys at Fork are installing them. Yeah, it voids the warranty if you still have it but it just goes to show what can be done to the V6 platform with supercharging.

https://youtu.be/TH2lVu5gI7M



Ken-

That thing is sweet, any idea on ballpark pricing?
I couldn't find anything on the website


By the time you are done it is right at $13K. Steve Glenn (former owner of Steve's Propeller) now of Hydro Dynamics, does the turnkey installations for Nizpro.

I have spoken to two boat owners that have taken their boats to Steve and had the SC installed on their Yam SHo's. One is an Allison Bass Sport 21 and the other is a Legend V20. Both guys just raved about the smooth power and increased torque. No overheating issues, no rough idle, no issues at all, just smooth seamless power.

Give him a call if you are interested.

Re: New V8 Yamaha [Re: RedSkeeter] #12759920
05/18/18 02:10 AM
05/18/18 02:10 AM
Joined: Oct 2006
Posts: 10,265
Trophy Club, TX
Ken A. Online content
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Originally Posted By: RedSkeeter
I'm curious to $$$$$
The guy said 467 on the dyno, 450 @the prop... I get nervous " sometimes " doing low-to mid 70's. Tack 20+ mph on to that, it could get dangerous in the boat lanes.. Who's buying those things ? I'll stay out of their way.
Ken, I know for a fact you can drive a boat at 100+mph, honestly, I don't know anyone else, Oilfield maybe..


There's a bunch of guys that can drive a vee bottom outboard well over 100 Billy. Most of them have enough sense that they don't do it in a bass boat! LOL

Re: New V8 Yamaha [Re: Ken A.] #12760046
05/18/18 04:04 AM
05/18/18 04:04 AM
Joined: Aug 2016
Posts: 871
Melissa, Tx
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Melissa, Tx
Originally Posted By: Ken A.
Originally Posted By: RedSkeeter
I'm curious to $$$$$
The guy said 467 on the dyno, 450 @the prop... I get nervous " sometimes " doing low-to mid 70's. Tack 20+ mph on to that, it could get dangerous in the boat lanes.. Who's buying those things ? I'll stay out of their way.
Ken, I know for a fact you can drive a boat at 100+mph, honestly, I don't know anyone else, Oilfield maybe..


There's a bunch of guys that can drive a vee bottom outboard well over 100 Billy. Most of them have enough sense that they don't do it in a bass boat! LOL
There's a few bass boats... food


Bullet 20XRD Comp - Merc 300XS
Mallard Marine Trenton, Tx
972-837-9404
Re: New V8 Yamaha [Re: Allison1] #12760500
05/18/18 04:23 PM
05/18/18 04:23 PM
Joined: Mar 2012
Posts: 1,851
Lufkin, Texas USA
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Lufkin, Texas USA
Mid 90's! OMG


2016 Ranger RT188 Charcoal Metallic Dual Console
2017 Yamaha 115 VMAX SHO (VF115LA) SS Prop
Minn Kota Ultrex i-Pilot Link 45" 80 lb.
Humminbird Helix 10 Mega SI BBT Bow Mount

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