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#12758628 - 05/17/18 06:33 AM New V8 Yamaha
Allison1 Online   sleepy
TFF Guru

Registered: 12/14/03
Posts: 18457
Loc: 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




Edited by Allison1 (05/17/18 06:42 AM)

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#12758632 - 05/17/18 06:39 AM Re: New V8 Yamaha [Re: Allison1]
Allison1 Online   sleepy
TFF Guru

Registered: 12/14/03
Posts: 18457
Loc: Grand Prairie, Tx
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.

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#12758669 - 05/17/18 07:23 AM Re: New V8 Yamaha [Re: Allison1]
Ken A. Online   content
TFF Celebrity

Registered: 10/02/06
Posts: 9573
Loc: Trophy Club, TX
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!

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#12758691 - 05/17/18 07:42 AM Re: New V8 Yamaha [Re: Allison1]
grout-scout Online   content
TFF Celebrity

Registered: 12/08/08
Posts: 6892
Loc: Boerne, Texas
Lol, I could sink my boat at the first launching.

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#12758718 - 05/17/18 08:05 AM Re: New V8 Yamaha [Re: Allison1]
Ken A. Online   content
TFF Celebrity

Registered: 10/02/06
Posts: 9573
Loc: 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

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#12758861 - 05/17/18 09:33 AM Re: New V8 Yamaha [Re: Allison1]
the skipper Online   content
TFF Team Angler

Registered: 07/04/11
Posts: 3806
Loc: 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

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#12758938 - 05/17/18 10:22 AM Re: New V8 Yamaha [Re: Ken A.]
Ranger1 Offline
TFF Celebrity

Registered: 08/28/03
Posts: 6177
Loc: 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
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#12759567 - 05/17/18 05:08 PM Re: New V8 Yamaha [Re: Ken A.]
TexasTechliprip Offline
Pro Angler

Registered: 03/28/11
Posts: 871
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
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#12759597 - 05/17/18 05:28 PM Re: New V8 Yamaha [Re: TexasTechliprip]
RedSkeeter Online   content

Bedazzled

Registered: 04/12/05
Posts: 15408
Loc: 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..
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#12759721 - 05/17/18 07:04 PM Re: New V8 Yamaha [Re: Allison1]
Allison1 Online   sleepy
TFF Guru

Registered: 12/14/03
Posts: 18457
Loc: Grand Prairie, Tx
Nizpro is about 11k for the mod installed.

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#12759809 - 05/17/18 07:57 PM Re: New V8 Yamaha [Re: Allison1]
grout-scout Online   content
TFF Celebrity

Registered: 12/08/08
Posts: 6892
Loc: 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)

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#12759857 - 05/17/18 08:34 PM Re: New V8 Yamaha [Re: TexasTechliprip]
Ken A. Online   content
TFF Celebrity

Registered: 10/02/06
Posts: 9573
Loc: Trophy Club, TX
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.

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#12759920 - 05/17/18 09:10 PM Re: New V8 Yamaha [Re: RedSkeeter]
Ken A. Online   content
TFF Celebrity

Registered: 10/02/06
Posts: 9573
Loc: Trophy Club, TX
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

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#12760046 - 05/17/18 11:04 PM Re: New V8 Yamaha [Re: Ken A.]
T-racer Offline
Pro Angler

Registered: 08/24/16
Posts: 746
Loc: Melissa/Grand Prairie, 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
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#12760500 - 05/18/18 11:23 AM Re: New V8 Yamaha [Re: Allison1]
BigDozer66 Online   content
Extreme Angler

Registered: 03/20/12
Posts: 1525
Loc: Lufkin, Texas USA
Mid 90's! OMG
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